Beispiel #1
0
/* m_setname - 12/05/1999 - Stskeeps
 * :prefix SETNAME :gecos
 * parv[0] - sender
 * parv[1] - gecos
 * D: This will set your gecos to be <x> (like (/setname :The lonely wanderer))
   yes it is experimental but anyways ;P
    FREEDOM TO THE USERS! ;) 
*/ 
DLLFUNC CMD_FUNC(m_setname)
{
    int xx;
    char tmpinfo[REALLEN + 1];
    char spamfilter_user[NICKLEN + USERLEN + HOSTLEN + REALLEN + 64];

 	if ((parc < 2) || BadPtr(parv[1]))
 	{
 		sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "SETNAME");
 		return 0;
	}

	if (strlen(parv[1]) > REALLEN)
	{
		if (MyConnect(sptr))
		{
			sendnotice(sptr, "*** /SetName Error: \"Real names\" may maximum be %i characters of length",
				REALLEN);
		}
		return 0;
	}

    /* set temp info for spamfilter check*/
    strcpy(tmpinfo, sptr->info);
    /* set the new name before we check, but don't send to servers unless it is ok */
    strcpy(sptr->info, parv[1]);
    spamfilter_build_user_string(spamfilter_user, sptr->name, sptr);
    xx = dospamfilter(sptr, spamfilter_user, SPAMF_USER, NULL, 0, NULL);
    if (xx < 0) {
        if (sptr)
            strcpy(sptr->info, tmpinfo);
        return xx;
    }

	/* Check for n:lines here too */
	if (!IsAnOper(sptr) && Find_ban(NULL, sptr->info, CONF_BAN_REALNAME))
		return exit_client(cptr, sptr, &me,
		                   "Your GECOS (real name) is banned from this server");

	sendto_server(cptr, 0, 0, ":%s SETNAME :%s", sptr->name, parv[1]);

	if (MyConnect(sptr))
		sendnotice(sptr, "Your \"real name\" is now set to be %s - you have to set it manually to undo it",
			parv[1]);

	return 0;
}
Beispiel #2
0
int _register_user(aClient *cptr, aClient *sptr, char *nick, char *username, char *umode, char *virthost, char *ip)
{
	ConfigItem_ban *bconf;
	char *parv[3], *tmpstr;
#ifdef HOSTILENAME
	char stripuser[USERLEN + 1], *u1 = stripuser, *u2, olduser[USERLEN + 1],
	    userbad[USERLEN * 2 + 1], *ubad = userbad, noident = 0;
#endif
	int  xx;
	anUser *user = sptr->user;
	aClient *nsptr;
	int  i;
	char mo[256];
	char *tkllayer[9] = {
		me.name,	/*0  server.name */
		"+",		/*1  +|- */
		"z",		/*2  G   */
		"*",		/*3  user */
		NULL,		/*4  host */
		NULL,
		NULL,		/*6  expire_at */
		NULL,		/*7  set_at */
		NULL		/*8  reason */
	};
	aTKline *savetkl = NULL;
	ConfigItem_tld *tlds;
	cptr->last = TStime();
	parv[0] = sptr->name;
	parv[1] = parv[2] = NULL;
	nick = sptr->name; /* <- The data is always the same, but the pointer is sometimes not,
	                    *    I need this for one of my modules, so do not remove! ;) -- Syzop */
	
	if (MyConnect(sptr))
	{
		if ((i = check_client(sptr, username))) {
			/* This had return i; before -McSkaf */
			if (i == -5)
				return FLUSH_BUFFER;

			sendto_snomask(SNO_CLIENT,
			    "*** Notice -- %s from %s.",
			    i == -3 ? "Too many connections" :
			    "Unauthorized connection", get_client_host(sptr));
			ircstp->is_ref++;
			ircsprintf(mo, "This server is full.");
			return
			    exit_client(cptr, sptr, &me,
			    i ==
			    -3 ? mo :
			    "You are not authorized to connect to this server");
		}

		if (sptr->hostp)
		{
			/* reject ascci < 32 and ascii >= 127 (note: upper resolver might be even more strict) */
			for (tmpstr = sptr->sockhost; *tmpstr > ' ' && *tmpstr < 127; tmpstr++);
			
			/* if host contained invalid ASCII _OR_ the DNS reply is an IP-like reply
			 * (like: 1.2.3.4), then reject it and use IP instead.
			 */
			if (*tmpstr || !*user->realhost || (isdigit(*sptr->sockhost) && isdigit(*tmpstr - 1)))
				strncpyzt(sptr->sockhost, (char *)Inet_ia2p((struct IN_ADDR*)&sptr->ip), sizeof(sptr->sockhost));
		}
		strncpyzt(user->realhost, sptr->sockhost, sizeof(sptr->sockhost)); /* SET HOSTNAME */

		/*
		 * I do not consider *, ~ or ! 'hostile' in usernames,
		 * as it is easy to differentiate them (Use \*, \? and \\)
		 * with the possible?
		 * exception of !. With mIRC etc. ident is easy to fake
		 * to contain @ though, so if that is found use non-ident
		 * username. -Donwulff
		 *
		 * I do, We only allow a-z A-Z 0-9 _ - and . now so the
		 * !strchr(sptr->username, '@') check is out of date. -Cabal95
		 *
		 * Moved the noident stuff here. -OnyxDragon
		 */
		if (!(sptr->flags & FLAGS_DOID)) 
			strncpyzt(user->username, username, USERLEN + 1);
		else if (sptr->flags & FLAGS_GOTID) 
			strncpyzt(user->username, sptr->username, USERLEN + 1);
		else
		{

			/* because username may point to user->username */
			char temp[USERLEN + 1];
			strncpyzt(temp, username, USERLEN + 1);
			if (IDENT_CHECK == 0) {
				strncpyzt(user->username, temp, USERLEN + 1);
			}
			else {
				*user->username = '******';
				strncpyzt((user->username + 1), temp, USERLEN);
#ifdef HOSTILENAME
				noident = 1;
#endif
			}

		}
#ifdef HOSTILENAME
		/*
		 * Limit usernames to just 0-9 a-z A-Z _ - and .
		 * It strips the "bad" chars out, and if nothing is left
		 * changes the username to the first 8 characters of their
		 * nickname. After the MOTD is displayed it sends numeric
		 * 455 to the user telling them what(if anything) happened.
		 * -Cabal95
		 *
		 * Moved the noident thing to the right place - see above
		 * -OnyxDragon
		 * 
		 * No longer use nickname if the entire ident is invalid,
                 * if thats the case, it is likely the user is trying to cause
		 * problems so just ban them. (Using the nick could introduce
		 * hostile chars) -- codemastr
		 */
		for (u2 = user->username + noident; *u2; u2++)
		{
			if (isallowed(*u2))
				*u1++ = *u2;
			else if (*u2 < 32)
			{
				/*
				 * Make sure they can read what control
				 * characters were in their username.
				 */
				*ubad++ = '^';
				*ubad++ = *u2 + '@';
			}
			else
				*ubad++ = *u2;
		}
		*u1 = '\0';
		*ubad = '\0';
		if (strlen(stripuser) != strlen(user->username + noident))
		{
			if (stripuser[0] == '\0')
			{
				return exit_client(cptr, cptr, cptr, "Hostile username. Please use only 0-9 a-z A-Z _ - and . in your username.");
			}

			strcpy(olduser, user->username + noident);
			strncpy(user->username + 1, stripuser, USERLEN - 1);
			user->username[0] = '~';
			user->username[USERLEN] = '\0';
		}
		else
			u1 = NULL;
#endif

		/*
		 * following block for the benefit of time-dependent K:-lines
		 */
		if ((bconf =
		    Find_ban(sptr, make_user_host(user->username, user->realhost),
		    CONF_BAN_USER)))
		{
			ircstp->is_ref++;
			sendto_one(cptr,
			    ":%s %d %s :*** You are not welcome on this server (%s)"
			    " Email %s for more information.",
			    me.name, ERR_YOUREBANNEDCREEP,
			    cptr->name, bconf->reason ? bconf->reason : "",
			    KLINE_ADDRESS);
			return exit_client(cptr, cptr, cptr, "You are banned");
		}
		if ((bconf = Find_ban(NULL, sptr->info, CONF_BAN_REALNAME)))
		{
			ircstp->is_ref++;
			sendto_one(cptr,
			    ":%s %d %s :*** Your GECOS (real name) is not allowed on this server (%s)"
			    " Please change it and reconnect",
			    me.name, ERR_YOUREBANNEDCREEP,
			    cptr->name, bconf->reason ? bconf->reason : "");

			return exit_client(cptr, sptr, &me,
			    "Your GECOS (real name) is banned from this server");
		}
		tkl_check_expire(NULL);
		/* Check G/Z lines before shuns -- kill before quite -- codemastr */
		if ((xx = find_tkline_match(sptr, 0)) < 0)
		{
			ircstp->is_ref++;
			return xx;
		}
		find_shun(sptr);

		/* Technical note regarding next few lines of code:
		 * If the spamfilter matches, depending on the action:
		 *  If it's block/dccblock/whatever the retval is -1 ===> we return, client stays "locked forever".
		 *  If it's kill/tklline the retval is -2 ==> we return with -2 (aka: FLUSH_BUFFER)
		 *  If it's action is viruschan the retval is -5 ==> we continue, and at the end of this return
		 *    take special actions. We cannot do that directly here since the user is not fully registered
		 *    yet (at all).
		 *  -- Syzop
		 */
		spamfilter_build_user_string(spamfilter_user, sptr->name, sptr);
		xx = dospamfilter(sptr, spamfilter_user, SPAMF_USER, NULL, 0, &savetkl);
		if ((xx < 0) && (xx != -5))
			return xx;

		RunHookReturnInt(HOOKTYPE_PRE_LOCAL_CONNECT, sptr, !=0);
	}
	else
	{
Beispiel #3
0
/*
** m_nick
**	parv[0] = sender prefix
**	parv[1] = nickname
**  if from new client  -taz
**	parv[2] = nick password
**  if from server:
**      parv[2] = hopcount
**      parv[3] = timestamp
**      parv[4] = username
**      parv[5] = hostname
**      parv[6] = servername
**  if NICK version 1:
**      parv[7] = servicestamp
**	parv[8] = info
**  if NICK version 2:
**	parv[7] = servicestamp
**      parv[8] = umodes
**	parv[9] = virthost, * if none
**	parv[10] = info
**  if NICKIP:
**      parv[10] = ip
**      parv[11] = info
*/
DLLFUNC CMD_FUNC(m_nick)
{
	aTKline *tklban;
	int ishold;
	aClient *acptr, *serv = NULL;
	aClient *acptrs;
	char nick[NICKLEN + 2], *s;
	Membership *mp;
	time_t lastnick = (time_t) 0;
	int  differ = 1, update_watch = 1;
	unsigned char newusr = 0, removemoder = 1;
	/*
	 * If the user didn't specify a nickname, complain
	 */
	if (parc < 2)
	{
		sendto_one(sptr, err_str(ERR_NONICKNAMEGIVEN),
		    me.name, parv[0]);
		return 0;
	}

	strncpyzt(nick, parv[1], NICKLEN + 1);

	if (MyConnect(sptr) && sptr->user && !IsAnOper(sptr))
	{
		if ((sptr->user->flood.nick_c >= NICK_COUNT) && 
		    (TStime() - sptr->user->flood.nick_t < NICK_PERIOD))
		{
			/* Throttle... */
			sendto_one(sptr, err_str(ERR_NCHANGETOOFAST), me.name, sptr->name, nick,
				(int)(NICK_PERIOD - (TStime() - sptr->user->flood.nick_t)));
			return 0;
		}
	}

	/* For a local clients, do proper nickname checking via do_nick_name()
	 * and reject the nick if it returns false.
	 * For remote clients, do a quick check by using do_remote_nick_name(),
	 * if this returned false then reject and kill it. -- Syzop
	 */
	if ((IsServer(cptr) && !do_remote_nick_name(nick)) ||
	    (!IsServer(cptr) && !do_nick_name(nick)))
	{
		sendto_one(sptr, err_str(ERR_ERRONEUSNICKNAME),
		    me.name, parv[0], parv[1], "Illegal characters");

		if (IsServer(cptr))
		{
			ircstp->is_kill++;
			sendto_failops("Bad Nick: %s From: %s %s",
			    parv[1], parv[0], get_client_name(cptr, FALSE));
			sendto_one(cptr, ":%s KILL %s :%s (%s <- %s[%s])",
			    me.name, parv[1], me.name, parv[1],
			    nick, cptr->name);
			if (sptr != cptr)
			{	/* bad nick change */
				sendto_serv_butone(cptr,
				    ":%s KILL %s :%s (%s <- %s!%s@%s)",
				    me.name, parv[0], me.name,
				    get_client_name(cptr, FALSE),
				    parv[0],
				    sptr->user ? sptr->username : "",
				    sptr->user ? sptr->user->server :
				    cptr->name);
				sptr->flags |= FLAGS_KILLED;
				return exit_client(cptr, sptr, &me, "BadNick");
			}
		}
		return 0;
	}

	/* Kill quarantined opers early... */
	if (IsServer(cptr) && (sptr->from->flags & FLAGS_QUARANTINE) &&
	    (parc >= 11) && strchr(parv[8], 'o'))
	{
		ircstp->is_kill++;
		/* Send kill to uplink only, hasn't been broadcasted to the rest, anyway */
		sendto_one(cptr, ":%s KILL %s :%s (Quarantined: no global oper privileges allowed)",
			me.name, parv[1], me.name);
		sendto_realops("QUARANTINE: Oper %s on server %s killed, due to quarantine",
			parv[1], sptr->name);
		/* (nothing to exit_client or to free, since user was never added) */
		return 0;
	}

	/*
	   ** Protocol 4 doesn't send the server as prefix, so it is possible
	   ** the server doesn't exist (a lagged net.burst), in which case
	   ** we simply need to ignore the NICK. Also when we got that server
	   ** name (again) but from another direction. --Run
	 */
	/*
	   ** We should really only deal with this for msgs from servers.
	   ** -- Aeto
	 */
	if (IsServer(cptr) &&
	    (parc > 7
	    && (!(serv = (aClient *)find_server_b64_or_real(parv[6]))
	    || serv->from != cptr->from)))
	{
		sendto_realops("Cannot find server %s (%s)", parv[6],
		    backupbuf);
		return 0;
	}
	/*
	   ** Check against nick name collisions.
	   **
	   ** Put this 'if' here so that the nesting goes nicely on the screen :)
	   ** We check against server name list before determining if the nickname
	   ** is present in the nicklist (due to the way the below for loop is
	   ** constructed). -avalon
	 */
	/* I managed to f**k this up i guess --stskeeps */
	if ((acptr = find_server(nick, NULL)))
	{
		if (MyConnect(sptr))
		{
#ifdef GUEST
			if (IsUnknown(sptr))
			{
				RunHook4(HOOKTYPE_GUEST, cptr, sptr, parc, parv);
				return 0;
			}
#endif
			sendto_one(sptr, err_str(ERR_NICKNAMEINUSE), me.name,
			    BadPtr(parv[0]) ? "*" : parv[0], nick);
			return 0;	/* NICK message ignored */
		}
	}

	/*
	   ** Check for a Q-lined nickname. If we find it, and it's our
	   ** client, just reject it. -Lefler
	   ** Allow opers to use Q-lined nicknames. -Russell
	 */
	if (!stricmp("ircd", nick))
	{
		sendto_one(sptr, err_str(ERR_ERRONEUSNICKNAME), me.name,
		    BadPtr(parv[0]) ? "*" : parv[0], nick,
		    "Reserved for internal IRCd purposes");
		return 0;
	}
	if (!stricmp("irc", nick))
	{
		sendto_one(sptr, err_str(ERR_ERRONEUSNICKNAME), me.name,
		    BadPtr(parv[0]) ? "*" : parv[0], nick,
		    "Reserved for internal IRCd purposes");
		return 0;
	}
	if (MyClient(sptr)) /* local client changin nick afterwards.. */
	{
		int xx;
		spamfilter_build_user_string(spamfilter_user, nick, sptr);
		xx = dospamfilter(sptr, spamfilter_user, SPAMF_USER, NULL, 0, NULL);
		if (xx < 0)
			return xx;
	}
	if (!IsULine(sptr) && (tklban = find_qline(sptr, nick, &ishold)))
	{
		if (IsServer(sptr) && !ishold) /* server introducing new client */
		{
			acptrs =
			    (aClient *)find_server_b64_or_real(sptr->user ==
			    NULL ? (char *)parv[6] : (char *)sptr->user->
			    server);
			/* (NEW: no unregistered q:line msgs anymore during linking) */
			if (!acptrs || (acptrs->serv && acptrs->serv->flags.synced))
				sendto_snomask(SNO_QLINE, "Q:lined nick %s from %s on %s", nick,
				    (*sptr->name != 0
				    && !IsServer(sptr) ? sptr->name : "<unregistered>"),
				    acptrs ? acptrs->name : "unknown server");
		}
		
		if (IsServer(cptr) && IsPerson(sptr) && !ishold) /* remote user changing nick */
		{
			sendto_snomask(SNO_QLINE, "Q:lined nick %s from %s on %s", nick,
				sptr->name, sptr->srvptr ? sptr->srvptr->name : "<unknown>");
		}

		if (!IsServer(cptr)) /* local */
		{
			if (ishold)
			{
				sendto_one(sptr, err_str(ERR_ERRONEUSNICKNAME),
				    me.name, BadPtr(parv[0]) ? "*" : parv[0],
				    nick, tklban->reason);
				return 0;
			}
			if (!IsOper(cptr))
			{
				sptr->since += 4; /* lag them up */
				sendto_one(sptr, err_str(ERR_ERRONEUSNICKNAME),
				    me.name, BadPtr(parv[0]) ? "*" : parv[0],
				    nick, tklban->reason);
				sendto_snomask(SNO_QLINE, "Forbidding Q-lined nick %s from %s.",
				    nick, get_client_name(cptr, FALSE));
				return 0;	/* NICK message ignored */
			}
		}
	}
	/*
	   ** acptr already has result from previous find_server()
	 */
	if (acptr)
	{
		/*
		   ** We have a nickname trying to use the same name as
		   ** a server. Send out a nick collision KILL to remove
		   ** the nickname. As long as only a KILL is sent out,
		   ** there is no danger of the server being disconnected.
		   ** Ultimate way to jupiter a nick ? >;-). -avalon
		 */
		sendto_failops("Nick collision on %s(%s <- %s)",
		    sptr->name, acptr->from->name,
		    get_client_name(cptr, FALSE));
		ircstp->is_kill++;
		sendto_one(cptr, ":%s KILL %s :%s (%s <- %s)",
		    me.name, sptr->name, me.name, acptr->from->name,
		    /* NOTE: Cannot use get_client_name
		       ** twice here, it returns static
		       ** string pointer--the other info
		       ** would be lost
		     */
		    get_client_name(cptr, FALSE));
		sptr->flags |= FLAGS_KILLED;
		return exit_client(cptr, sptr, &me, "Nick/Server collision");
	}

	if (MyClient(cptr) && !IsOper(cptr))
		cptr->since += 3;	/* Nick-flood prot. -Donwulff */

	if (!(acptr = find_client(nick, NULL)))
		goto nickkilldone;	/* No collisions, all clear... */
	/*
	   ** If the older one is "non-person", the new entry is just
	   ** allowed to overwrite it. Just silently drop non-person,
	   ** and proceed with the nick. This should take care of the
	   ** "dormant nick" way of generating collisions...
	 */
	/* Moved before Lost User Field to fix some bugs... -- Barubary */
	if (IsUnknown(acptr) && MyConnect(acptr))
	{
		/* This may help - copying code below */
		if (acptr == cptr)
			return 0;
		acptr->flags |= FLAGS_KILLED;
		exit_client(NULL, acptr, &me, "Overridden");
		goto nickkilldone;
	}
	/* A sanity check in the user field... */
	if (acptr->user == NULL)
	{
		/* This is a Bad Thing */
		sendto_failops("Lost user field for %s in change from %s",
		    acptr->name, get_client_name(cptr, FALSE));
		ircstp->is_kill++;
		sendto_one(acptr, ":%s KILL %s :%s (Lost user field!)",
		    me.name, acptr->name, me.name);
		acptr->flags |= FLAGS_KILLED;
		/* Here's the previous versions' desynch.  If the old one is
		   messed up, trash the old one and accept the new one.
		   Remember - at this point there is a new nick coming in!
		   Handle appropriately. -- Barubary */
		exit_client(NULL, acptr, &me, "Lost user field");
		goto nickkilldone;
	}
	/*
	   ** If acptr == sptr, then we have a client doing a nick
	   ** change between *equivalent* nicknames as far as server
	   ** is concerned (user is changing the case of his/her
	   ** nickname or somesuch)
	 */
	if (acptr == sptr) {
		if (strcmp(acptr->name, nick) != 0)
		{
			/* Allows change of case in his/her nick */
			removemoder = 0; /* don't set the user -r */
			goto nickkilldone;	/* -- go and process change */
		} else
			/*
			 ** This is just ':old NICK old' type thing.
			 ** Just forget the whole thing here. There is
			 ** no point forwarding it to anywhere,
			 ** especially since servers prior to this
			 ** version would treat it as nick collision.
			 */
			return 0;	/* NICK Message ignored */
	}
	/*
	   ** Note: From this point forward it can be assumed that
	   ** acptr != sptr (point to different client structures).
	 */
	/*
	   ** Decide, we really have a nick collision and deal with it
	 */
	if (!IsServer(cptr))
	{
		/*
		   ** NICK is coming from local client connection. Just
		   ** send error reply and ignore the command.
		 */
#ifdef GUEST
		if (IsUnknown(sptr))
		{
			RunHook4(HOOKTYPE_GUEST, cptr, sptr, parc, parv);
			return 0;
		}
#endif
		sendto_one(sptr, err_str(ERR_NICKNAMEINUSE),
		    /* parv[0] is empty when connecting */
		    me.name, BadPtr(parv[0]) ? "*" : parv[0], nick);
		return 0;	/* NICK message ignored */
	}
	/*
	   ** NICK was coming from a server connection.
	   ** This means we have a race condition (two users signing on
	   ** at the same time), or two net fragments reconnecting with
	   ** the same nick.
	   ** The latter can happen because two different users connected
	   ** or because one and the same user switched server during a
	   ** net break.
	   ** If we have the old protocol (no TimeStamp and no user@host)
	   ** or if the TimeStamps are equal, we kill both (or only 'new'
	   ** if it was a "NICK new"). Otherwise we kill the youngest
	   ** when user@host differ, or the oldest when they are the same.
	   ** --Run
	   **
	 */
	if (IsServer(sptr))
	{
		/*
		   ** A new NICK being introduced by a neighbouring
		   ** server (e.g. message type "NICK new" received)
		 */
		if (parc > 3)
		{
			lastnick = TS2ts(parv[3]);
			if (parc > 5)
				differ = (mycmp(acptr->user->username, parv[4])
				    || mycmp(acptr->user->realhost, parv[5]));
		}
		sendto_failops("Nick collision on %s (%s %ld <- %s %ld)",
		    acptr->name, acptr->from->name, acptr->lastnick,
		    cptr->name, lastnick);
		/*
		   **    I'm putting the KILL handling here just to make it easier
		   ** to read, it's hard to follow it the way it used to be.
		   ** Basically, this is what it will do.  It will kill both
		   ** users if no timestamp is given, or they are equal.  It will
		   ** kill the user on our side if the other server is "correct"
		   ** (user@host differ and their user is older, or user@host are
		   ** the same and their user is younger), otherwise just kill the
		   ** user an reintroduce our correct user.
		   **    The old code just sat there and "hoped" the other server
		   ** would kill their user.  Not anymore.
		   **                                               -- binary
		 */
		if (!(parc > 3) || (acptr->lastnick == lastnick))
		{
			ircstp->is_kill++;
			sendto_serv_butone(NULL,
			    ":%s KILL %s :%s (Nick Collision)",
			    me.name, acptr->name, me.name);
			acptr->flags |= FLAGS_KILLED;
			(void)exit_client(NULL, acptr, &me,
			    "Nick collision with no timestamp/equal timestamps");
			return 0;	/* We killed both users, now stop the process. */
		}

		if ((differ && (acptr->lastnick > lastnick)) ||
		    (!differ && (acptr->lastnick < lastnick)) || acptr->from == cptr)	/* we missed a QUIT somewhere ? */
		{
			ircstp->is_kill++;
			sendto_serv_butone(cptr,
			    ":%s KILL %s :%s (Nick Collision)",
			    me.name, acptr->name, me.name);
			acptr->flags |= FLAGS_KILLED;
			(void)exit_client(NULL, acptr, &me, "Nick collision");
			goto nickkilldone;	/* OK, we got rid of the "wrong" user,
						   ** now we're going to add the user the
						   ** other server introduced.
						 */
		}

		if ((differ && (acptr->lastnick < lastnick)) ||
		    (!differ && (acptr->lastnick > lastnick)))
		{
			/*
			 * Introduce our "correct" user to the other server
			 */

			sendto_one(cptr, ":%s KILL %s :%s (Nick Collision)",
			    me.name, parv[1], me.name);
			send_umode(NULL, acptr, 0, SEND_UMODES, buf);
			sendto_one_nickcmd(cptr, acptr, buf);
			if (acptr->user->away)
				sendto_one(cptr, ":%s AWAY :%s", acptr->name,
				    acptr->user->away);
			send_user_joins(cptr, acptr);
			return 0;	/* Ignore the NICK */
		}
		return 0;
	}
	else
	{
		/*
		   ** A NICK change has collided (e.g. message type ":old NICK new").
		 */
		if (parc > 2)
			lastnick = TS2ts(parv[2]);
		differ = (mycmp(acptr->user->username, sptr->user->username) ||
		    mycmp(acptr->user->realhost, sptr->user->realhost));
		sendto_failops
		    ("Nick change collision from %s to %s (%s %ld <- %s %ld)",
		    sptr->name, acptr->name, acptr->from->name, acptr->lastnick,
		    sptr->from->name, lastnick);
		if (!(parc > 2) || lastnick == acptr->lastnick)
		{
			ircstp->is_kill += 2;
			sendto_serv_butone(NULL,	/* First kill the new nick. */
			    ":%s KILL %s :%s (Self Collision)",
			    me.name, acptr->name, me.name);
			sendto_serv_butone(cptr,	/* Tell my servers to kill the old */
			    ":%s KILL %s :%s (Self Collision)",
			    me.name, sptr->name, me.name);
			sptr->flags |= FLAGS_KILLED;
			acptr->flags |= FLAGS_KILLED;
			(void)exit_client(NULL, sptr, &me, "Self Collision");
			(void)exit_client(NULL, acptr, &me, "Self Collision");
			return 0;	/* Now that I killed them both, ignore the NICK */
		}
		if ((differ && (acptr->lastnick > lastnick)) ||
		    (!differ && (acptr->lastnick < lastnick)))
		{
			/* sptr (their user) won, let's kill acptr (our user) */
			ircstp->is_kill++;
			sendto_serv_butone(cptr,
			    ":%s KILL %s :%s (Nick collision: %s <- %s)",
			    me.name, acptr->name, me.name,
			    acptr->from->name, sptr->from->name);
			acptr->flags |= FLAGS_KILLED;
			(void)exit_client(NULL, acptr, &me, "Nick collision");
			goto nickkilldone;	/* their user won, introduce new nick */
		}
		if ((differ && (acptr->lastnick < lastnick)) ||
		    (!differ && (acptr->lastnick > lastnick)))
		{
			/* acptr (our user) won, let's kill sptr (their user),
			   ** and reintroduce our "correct" user
			 */
			ircstp->is_kill++;
			/* Kill the user trying to change their nick. */
			sendto_serv_butone(cptr,
			    ":%s KILL %s :%s (Nick collision: %s <- %s)",
			    me.name, sptr->name, me.name,
			    sptr->from->name, acptr->from->name);
			sptr->flags |= FLAGS_KILLED;
			(void)exit_client(NULL, sptr, &me, "Nick collision");
			/*
			 * Introduce our "correct" user to the other server
			 */
			/* Kill their user. */
			sendto_one(cptr, ":%s KILL %s :%s (Nick Collision)",
			    me.name, parv[1], me.name);
			send_umode(NULL, acptr, 0, SEND_UMODES, buf);
			sendto_one_nickcmd(cptr, acptr, buf);
			if (acptr->user->away)
				sendto_one(cptr, ":%s AWAY :%s", acptr->name,
				    acptr->user->away);

			send_user_joins(cptr, acptr);
			return 0;	/* their user lost, ignore the NICK */
		}

	}
	return 0;		/* just in case */
      nickkilldone:
	if (IsServer(sptr))
	{
		/* A server introducing a new client, change source */

		sptr = make_client(cptr, serv);
		add_client_to_list(sptr);
		if (parc > 2)
			sptr->hopcount = TS2ts(parv[2]);
		if (parc > 3)
			sptr->lastnick = TS2ts(parv[3]);
		else		/* Little bit better, as long as not all upgraded */
			sptr->lastnick = TStime();
		if (sptr->lastnick < 0)
		{
			sendto_realops
			    ("Negative timestamp recieved from %s, resetting to TStime (%s)",
			    cptr->name, backupbuf);
			sptr->lastnick = TStime();
		}
		newusr = 1;
	}
	else if (sptr->name[0] && IsPerson(sptr))
	{
		/*
		   ** If the client belongs to me, then check to see
		   ** if client is currently on any channels where it
		   ** is currently banned.  If so, do not allow the nick
		   ** change to occur.
		   ** Also set 'lastnick' to current time, if changed.
		 */
		if (MyClient(sptr))
		{
			for (mp = sptr->user->channel; mp; mp = mp->next)
			{
				if (!is_skochanop(sptr, mp->chptr) && is_banned(sptr, mp->chptr, BANCHK_NICK))
				{
					sendto_one(sptr,
					    err_str(ERR_BANNICKCHANGE),
					    me.name, parv[0],
					    mp->chptr->chname);
					return 0;
				}
				if (CHECK_TARGET_NICK_BANS && !is_skochanop(sptr, mp->chptr) && is_banned_with_nick(sptr, mp->chptr, BANCHK_NICK, nick))
				{
					sendto_one(sptr,
					    ":%s 437 %s %s :Cannot change to a nickname banned on channel",
					    me.name, parv[0],
					    mp->chptr->chname);
					return 0;
				}
				if (!IsOper(sptr) && !IsULine(sptr)
				    && mp->chptr->mode.mode & MODE_NONICKCHANGE
				    && !is_chanownprotop(sptr, mp->chptr))
				{
					sendto_one(sptr,
					    err_str(ERR_NONICKCHANGE),
					    me.name, parv[0],
					    mp->chptr->chname);
					return 0;
				}
			}

			if (TStime() - sptr->user->flood.nick_t >= NICK_PERIOD)
			{
				sptr->user->flood.nick_t = TStime();
				sptr->user->flood.nick_c = 1;
			} else
				sptr->user->flood.nick_c++;

			sendto_snomask(SNO_NICKCHANGE, "*** Notice -- %s (%s@%s) has changed his/her nickname to %s",
				sptr->name, sptr->user->username, sptr->user->realhost, nick);

			RunHook2(HOOKTYPE_LOCAL_NICKCHANGE, sptr, nick);
		} else {
			if (!IsULine(sptr))
				sendto_snomask(SNO_FNICKCHANGE, "*** Notice -- %s (%s@%s) has changed his/her nickname to %s",
					sptr->name, sptr->user->username, sptr->user->realhost, nick);

			RunHook3(HOOKTYPE_REMOTE_NICKCHANGE, cptr, sptr, nick);
		}
		/*
		 * Client just changing his/her nick. If he/she is
		 * on a channel, send note of change to all clients
		 * on that channel. Propagate notice to other servers.
		 */
		if (mycmp(parv[0], nick) ||
		    /* Next line can be removed when all upgraded  --Run */
		    (!MyClient(sptr) && parc > 2
		    && TS2ts(parv[2]) < sptr->lastnick))
			sptr->lastnick = (MyClient(sptr)
			    || parc < 3) ? TStime() : TS2ts(parv[2]);
		if (sptr->lastnick < 0)
		{
			sendto_realops("Negative timestamp (%s)", backupbuf);
			sptr->lastnick = TStime();
		}
		add_history(sptr, 1);
		sendto_common_channels(sptr, ":%s NICK :%s", parv[0], nick);
		sendto_serv_butone_token(cptr, parv[0], MSG_NICK, TOK_NICK,
		    "%s %ld", nick, sptr->lastnick);
		if (removemoder)
			sptr->umodes &= ~UMODE_REGNICK;
	}
	else if (!sptr->name[0])
	{
#ifdef NOSPOOF
		/*
		 * Client setting NICK the first time.
		 *
		 * Generate a random string for them to pong with.
		 */
		sptr->nospoof = getrandom32();

		if (PINGPONG_WARNING)
			sendto_one(sptr, ":%s NOTICE %s :*** If you are having problems"
			    " connecting due to ping timeouts, please"
			    " type /quote pong %X or /raw pong %X now.",
			    me.name, nick, sptr->nospoof, sptr->nospoof);

		sendto_one(sptr, "PING :%X", sptr->nospoof);
#endif /* NOSPOOF */
#ifdef CONTACT_EMAIL
		sendto_one(sptr,
		    ":%s NOTICE %s :*** If you need assistance with a"
		    " connection problem, please email " CONTACT_EMAIL
		    " with the name and version of the client you are"
		    " using, and the server you tried to connect to: %s",
		    me.name, nick, me.name);
#endif /* CONTACT_EMAIL */
#ifdef CONTACT_URL
		sendto_one(sptr,
		    ":%s NOTICE %s :*** If you need assistance with"
		    " connecting to this server, %s, please refer to: "
		    CONTACT_URL, me.name, nick, me.name);
#endif /* CONTACT_URL */

		/* Copy password to the passwd field if it's given after NICK
		 * - originally by taz, modified by Wizzu
		 */
		if ((parc > 2) && (strlen(parv[2]) <= PASSWDLEN)
		    && !(sptr->listener->umodes & LISTENER_JAVACLIENT))
		{
			if (sptr->passwd)
				MyFree(sptr->passwd);
			sptr->passwd = MyMalloc(strlen(parv[2]) + 1);
			(void)strcpy(sptr->passwd, parv[2]);
		}
		/* This had to be copied here to avoid problems.. */
		(void)strcpy(sptr->name, nick);
		if (sptr->user && IsNotSpoof(sptr))
		{
			/*
			   ** USER already received, now we have NICK.
			   ** *NOTE* For servers "NICK" *must* precede the
			   ** user message (giving USER before NICK is possible
			   ** only for local client connection!). register_user
			   ** may reject the client and call exit_client for it
			   ** --must test this and exit m_nick too!!!
			 */
#ifndef NOSPOOF
			if (USE_BAN_VERSION && MyConnect(sptr))
				sendto_one(sptr, ":IRC!IRC@%s PRIVMSG %s :\1VERSION\1",
					me.name, nick);
#endif
			sptr->lastnick = TStime();	/* Always local client */
			if (register_user(cptr, sptr, nick,
			    sptr->user->username, NULL, NULL, NULL) == FLUSH_BUFFER)
				return FLUSH_BUFFER;
			strcpy(nick, sptr->name); /* don't ask, but I need this. do not remove! -- Syzop */
			update_watch = 0;
			newusr = 1;
		}
	}
	/*
	 *  Finally set new nick name.
	 */
	if (update_watch && sptr->name[0])
	{
		(void)del_from_client_hash_table(sptr->name, sptr);
		if (IsPerson(sptr))
			hash_check_watch(sptr, RPL_LOGOFF);
	}
	(void)strcpy(sptr->name, nick);
	(void)add_to_client_hash_table(nick, sptr);
	if (IsServer(cptr) && parc > 7)
	{
		parv[3] = nick;
		do_cmd(cptr, sptr, "USER", parc - 3, &parv[3]);
		if (GotNetInfo(cptr) && !IsULine(sptr))
			sendto_fconnectnotice(sptr->name, sptr->user, sptr, 0, NULL);
	}
	else if (IsPerson(sptr) && update_watch)
		hash_check_watch(sptr, RPL_LOGON);

#ifdef NEWCHFLOODPROT
	if (sptr->user && !newusr && !IsULine(sptr))
	{
		for (mp = sptr->user->channel; mp; mp = mp->next)
		{
			aChannel *chptr = mp->chptr;
			if (chptr && !(mp->flags & (CHFL_CHANOP|CHFL_VOICE|CHFL_CHANOWNER|CHFL_HALFOP|CHFL_CHANPROT)) &&
			    chptr->mode.floodprot && do_chanflood(chptr->mode.floodprot, FLD_NICK) && MyClient(sptr))
			{
				do_chanflood_action(chptr, FLD_NICK, "nick");
			}
		}	
	}
#endif
	if (newusr && !MyClient(sptr) && IsPerson(sptr))
	{
		RunHook(HOOKTYPE_REMOTE_CONNECT, sptr);
	}

	return 0;
}
Beispiel #4
0
/*
** m_part
**	parv[0] = sender prefix
**	parv[1] = channel
**	parv[2] = comment (added by Lefler)
*/
DLLFUNC CMD_FUNC(m_part)
{
	aChannel *chptr;
	Membership *lp;
	char *p = NULL, *name;
	char *commentx = (parc > 2 && parv[2]) ? parv[2] : NULL;
	char *comment;
	int n;
	
	if (parc < 2 || parv[1][0] == '\0')
	{
		sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS),
		    me.name, parv[0], "PART");
		return 0;
	}

	if (MyClient(sptr))
	{
		if (IsShunned(sptr))
			commentx = NULL;
		if (STATIC_PART)
		{
			if (!strcasecmp(STATIC_PART, "yes") || !strcmp(STATIC_PART, "1"))
				commentx = NULL;
			else if (!strcasecmp(STATIC_PART, "no") || !strcmp(STATIC_PART, "0"))
				; /* keep original reason */
			else
				commentx = STATIC_PART;
		}
		if (commentx)
		{
			n = dospamfilter(sptr, commentx, SPAMF_PART, parv[1], 0, NULL);
			if (n == FLUSH_BUFFER)
				return n;
			if (n < 0)
				commentx = NULL;
		}
	}

	for (; (name = strtoken(&p, parv[1], ",")); parv[1] = NULL)
	{
		chptr = get_channel(sptr, name, 0);
		if (!chptr)
		{
			sendto_one(sptr, err_str(ERR_NOSUCHCHANNEL),
			    me.name, parv[0], name);
			continue;
		}
		if (check_channelmask(sptr, cptr, name))
			continue;

		/* 'commentx' is the general part msg, but it can be changed
		 * per-channel (eg some chans block badwords, strip colors, etc)
		 * so we copy it to 'comment' and use that in this for loop :)
		 */
		comment = commentx;

		if (!(lp = find_membership_link(sptr->user->channel, chptr)))
		{
			/* Normal to get get when our client did a kick
			   ** for a remote client (who sends back a PART),
			   ** so check for remote client or not --Run
			 */
			if (MyClient(sptr))
				sendto_one(sptr,
				    err_str(ERR_NOTONCHANNEL), me.name,
				    parv[0], name);
			continue;
		}

		if (!IsAnOper(sptr) && !is_chanownprotop(sptr, chptr)) {
#ifdef STRIPBADWORDS
			int blocked = 0;
#endif
			/* Banned? No comment allowed ;) */
			if (comment && is_banned(sptr, chptr, BANCHK_MSG))
				comment = NULL;
			/* And other things... */
			if ((chptr->mode.mode & MODE_NOCOLOR) && comment) {
				if (strchr((char *)comment, 3) || strchr((char *)comment, 27)) {
					comment = NULL;
				}
			}
			if ((chptr->mode.mode & MODE_MODERATED) && comment &&
				 !has_voice(sptr, chptr) && !is_halfop(sptr, chptr))
			{
				comment = NULL;
			}
			if ((chptr->mode.mode & MODE_STRIP) && comment) {
				comment = (char *)StripColors(comment);
			}
#ifdef STRIPBADWORDS
 #ifdef STRIPBADWORDS_CHAN_ALWAYS
			if (comment)
			{
				comment = (char *)stripbadwords_channel(comment, &blocked);
			}
 #else
			if ((chptr->mode.extmode & EXTMODE_STRIPBADWORDS) && comment) {
				comment = (char *)stripbadwords_channel(comment, &blocked);
			}
 #endif
#endif
			
		}
		/* +M and not logged in to services? */
		if ((chptr->mode.mode & MODE_MODREG) && !IsLoggedIn(sptr) && !IsAnOper(sptr))
			comment = NULL;

		if (MyConnect(sptr))
		{
			Hook *tmphook;
			for (tmphook = Hooks[HOOKTYPE_PRE_LOCAL_PART]; tmphook; tmphook = tmphook->next) {
				comment = (*(tmphook->func.pcharfunc))(sptr, chptr, comment);
				if (!comment)
					break;
			}
		}

		/* Send to other servers... */
		if (!comment)
			sendto_serv_butone_token(cptr, parv[0],
			    MSG_PART, TOK_PART, "%s", chptr->chname);
		else
			sendto_serv_butone_token(cptr, parv[0],
			    MSG_PART, TOK_PART, "%s :%s", chptr->chname,
			    comment);

		if (1)
		{
			if ((chptr->mode.mode & MODE_AUDITORIUM) && !is_chanownprotop(sptr, chptr))
			{
				if (!comment)
				{
					sendto_chanops_butone(NULL,
					    chptr, ":%s!%s@%s PART %s",
					    sptr->name, sptr->user->username, GetHost(sptr),
					    chptr->chname);
					if (!is_chan_op(sptr, chptr) && MyClient(sptr))
						sendto_one(sptr, ":%s!%s@%s PART %s",
						    sptr->name, sptr->user->username, GetHost(sptr), chptr->chname);
				}
				else
				{
					sendto_chanops_butone(NULL,
					    chptr,
					    ":%s!%s@%s PART %s %s",
					    sptr->name,
					    sptr->user->username,
					    GetHost(sptr),
					    chptr->chname, comment);
					if (!is_chan_op(cptr, chptr) && MyClient(sptr))
						sendto_one(sptr,
						    ":%s!%s@%s PART %s %s",
						    sptr->name, sptr->user->username, GetHost(sptr),
						    chptr->chname, comment);
				}
			}
			else
			{


				if (!comment)

					sendto_channel_butserv(chptr,
					    sptr, PARTFMT, parv[0],
					    chptr->chname);
				else
					sendto_channel_butserv(chptr,
					    sptr, PARTFMT2, parv[0],
					    chptr->chname, comment);
			}
			if (MyClient(sptr))
				RunHook4(HOOKTYPE_LOCAL_PART, cptr, sptr, chptr, comment);
			else
				RunHook4(HOOKTYPE_REMOTE_PART, cptr, sptr, chptr, comment);

			remove_user_from_channel(sptr, chptr);
		}
	}
	return 0;
}
Beispiel #5
0
int m_alias(aClient *cptr, aClient *sptr, int parc, char *parv[], char *cmd)
{
ConfigItem_alias *alias;
aClient *acptr;
int ret;

	if (!(alias = Find_alias(cmd))) 
	{
		sendto_one(sptr, ":%s %d %s %s :Unknown command",
			me.name, ERR_UNKNOWNCOMMAND, parv[0], cmd);
		return 0;
	}
	
	/* If it isn't an ALIAS_COMMAND, we require a paramter ... We check ALIAS_COMMAND LATER */
	if (alias->type != ALIAS_COMMAND && (parc < 2 || *parv[1] == '\0'))
	{
		sendto_one(sptr, err_str(ERR_NOTEXTTOSEND), me.name, parv[0]);
		return -1;
	}

	if (alias->type == ALIAS_SERVICES) 
	{
		if (SERVICES_NAME && (acptr = find_person(alias->nick, NULL)))
		{
			if (alias->spamfilter && (ret = dospamfilter(sptr, parv[1], SPAMF_USERMSG, alias->nick, 0, NULL)) < 0)
				return ret;
			sendto_one(acptr, ":%s PRIVMSG %s@%s :%s", parv[0],
				alias->nick, SERVICES_NAME, parv[1]);
		}
		else
			sendto_one(sptr, err_str(ERR_SERVICESDOWN), me.name,
				parv[0], alias->nick);
	}
	else if (alias->type == ALIAS_STATS) 
	{
		if (STATS_SERVER && (acptr = find_person(alias->nick, NULL)))
		{
			if (alias->spamfilter && (ret = dospamfilter(sptr, parv[1], SPAMF_USERMSG, alias->nick, 0, NULL)) < 0)
				return ret;
			sendto_one(acptr, ":%s PRIVMSG %s@%s :%s", parv[0],
				alias->nick, STATS_SERVER, parv[1]);
		}
		else
			sendto_one(sptr, err_str(ERR_SERVICESDOWN), me.name,
				parv[0], alias->nick);
	}
	else if (alias->type == ALIAS_NORMAL) 
	{
		if ((acptr = find_person(alias->nick, NULL))) 
		{
			if (alias->spamfilter && (ret = dospamfilter(sptr, parv[1], SPAMF_USERMSG, alias->nick, 0, NULL)) < 0)
				return ret;
			if (MyClient(acptr))
				sendto_one(acptr, ":%s!%s@%s PRIVMSG %s :%s", parv[0], 
					sptr->user->username, GetHost(sptr),
					alias->nick, parv[1]);
			else
				sendto_one(acptr, ":%s PRIVMSG %s :%s", parv[0],
					alias->nick, parv[1]);
		}
		else
			sendto_one(sptr, err_str(ERR_NOSUCHNICK), me.name,
				parv[0], alias->nick);
	}
	else if (alias->type == ALIAS_CHANNEL)
	{
		aChannel *chptr;
		if ((chptr = find_channel(alias->nick, NULL)))
		{
			if (!can_send(sptr, chptr, parv[1], 0))
			{
				if (alias->spamfilter && (ret = dospamfilter(sptr, parv[1], SPAMF_CHANMSG, chptr->chname, 0, NULL)) < 0)
					return ret;
				sendto_channelprefix_butone(sptr,
				    sptr, chptr, PREFIX_ALL,
                                    ":%s PRIVMSG %s :%s", parv[0],
				    chptr->chname, parv[1]);
				return 0;
			}
		}
		sendto_one(sptr, err_str(ERR_CANNOTDOCOMMAND), me.name, parv[0],
				cmd, "You may not use this command at this time");
	}
	else if (alias->type == ALIAS_COMMAND) 
	{
		ConfigItem_alias_format *format;
		char *ptr = "";
		if (!(parc < 2 || *parv[1] == '\0'))
			ptr = parv[1]; 
		for (format = alias->format; format; format = (ConfigItem_alias_format *)format->next) 
		{
			if (regexec(&format->expr, ptr, 0, NULL, 0) == 0) 
			{
				/* Parse the parameters */
				int i = 0, j = 0, k = 1;
				char output[1024], current[1024];
				char nums[4];

				bzero(current, sizeof current);
				bzero(output, sizeof output);

				while(format->parameters[i] && j < 500) 
				{
					k = 0;
					if (format->parameters[i] == '%') 
					{
						i++;
						if (format->parameters[i] == '%') 
							output[j++] = '%';
						else if (isdigit(format->parameters[i])) 
						{
							for(; isdigit(format->parameters[i]) && k < 2; i++, k++) {
								nums[k] = format->parameters[i];
							}
							nums[k] = 0;
							i--;
							if (format->parameters[i+1] == '-') {
								strrangetok(ptr, current, ' ', atoi(nums),0);
								i++;
							}
							else 
								strrangetok(ptr, current, ' ', atoi(nums), atoi(nums));
							if (!*current)
								continue;
							if (j + strlen(current)+1 >= 500)
								break;
							strlcat(output, current, sizeof output);
							j += strlen(current);
							
						}
						else if (format->parameters[i] == 'n' ||
							 format->parameters[i] == 'N')
						{
							strlcat(output, parv[0], sizeof output);
							j += strlen(parv[0]);
						}
						else 
						{
							output[j++] = '%';
							output[j++] = format->parameters[i];
						}
						i++;
						continue;
					}
					output[j++] = format->parameters[i++];
				}
				output[j] = 0;
				/* Now check to make sure we have something to send */
				if (strlen(output) == 0)
				{
					sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS), me.name, sptr->name, cmd);
					return -1;
				}
				
				if (format->type == ALIAS_SERVICES) 
				{
					if (SERVICES_NAME && (acptr = find_person(format->nick, NULL)))
					{
						if (alias->spamfilter && (ret = dospamfilter(sptr, output, SPAMF_USERMSG, format->nick, 0, NULL)) < 0)
							return ret;
						sendto_one(acptr, ":%s PRIVMSG %s@%s :%s", parv[0],
							format->nick, SERVICES_NAME, output);
					} else
						sendto_one(sptr, err_str(ERR_SERVICESDOWN), me.name,
							parv[0], format->nick);
				}
				else if (format->type == ALIAS_STATS) 
				{
					if (STATS_SERVER && (acptr = find_person(format->nick, NULL)))
					{
						if (alias->spamfilter && (ret = dospamfilter(sptr, output, SPAMF_USERMSG, format->nick, 0, NULL)) < 0)
							return ret;
						sendto_one(acptr, ":%s PRIVMSG %s@%s :%s", parv[0],
							format->nick, STATS_SERVER, output);
					} else
						sendto_one(sptr, err_str(ERR_SERVICESDOWN), me.name,
							parv[0], format->nick);
				}
				else if (format->type == ALIAS_NORMAL) 
				{
					if ((acptr = find_person(format->nick, NULL))) 
					{
						if (alias->spamfilter && (ret = dospamfilter(sptr, output, SPAMF_USERMSG, format->nick, 0, NULL)) < 0)
							return ret;
						if (MyClient(acptr))
							sendto_one(acptr, ":%s!%s@%s PRIVMSG %s :%s", parv[0], 
							sptr->user->username, IsHidden(sptr) ? sptr->user->virthost : sptr->user->realhost,
							format->nick, output);
						else
							sendto_one(acptr, ":%s PRIVMSG %s :%s", parv[0],
								format->nick, output);
					}
					else
						sendto_one(sptr, err_str(ERR_NOSUCHNICK), me.name,
							parv[0], format->nick);
				}
				else if (format->type == ALIAS_CHANNEL)
				{
					aChannel *chptr;
					if ((chptr = find_channel(format->nick, NULL)))
					{
						if (!can_send(sptr, chptr, output, 0))
						{
							if (alias->spamfilter && (ret = dospamfilter(sptr, output, SPAMF_CHANMSG, chptr->chname, 0, NULL)) < 0)
								return ret;
							sendto_channelprefix_butone(sptr,
							    sptr, chptr, PREFIX_ALL,
			                                    ":%s PRIVMSG %s :%s", parv[0],
							    chptr->chname, parv[1]);
							return 0;
						}
					}
					sendto_one(sptr, err_str(ERR_CANNOTDOCOMMAND), me.name,
						 parv[0], cmd, 
						"You may not use this command at this time");
				}
				else if (format->type == ALIAS_REAL)
				{
					int ret;
					char mybuf[500];
					
					snprintf(mybuf, sizeof(mybuf), "%s %s", format->nick, output);

					if (recursive_alias)
					{
						sendto_one(sptr, err_str(ERR_CANNOTDOCOMMAND), me.name, parv[0], cmd, "You may not use this command at this time -- recursion");
						return -1;
					}

					recursive_alias = 1;
					ret = parse(sptr, mybuf, mybuf+strlen(mybuf));
					recursive_alias = 0;

					return ret;
				}
				break;
			}
		}
		return 0;
	}
	return 0;
}
Beispiel #6
0
/*
** m_quit
**	parv[0] = sender prefix
**	parv[1] = comment
*/
DLLFUNC int  m_quit(aClient *cptr, aClient *sptr, int parc, char *parv[])
{
	char *ocomment = (parc > 1 && parv[1]) ? parv[1] : parv[0];
	static char comment[TOPICLEN + 1];
	Membership *lp;

	if (!IsServer(cptr) && IsPerson(sptr))
	{
#ifdef STRIPBADWORDS
		int blocked = 0;
#endif
		int n;
		char *s = comment;
		Hook *tmphook;
		if (STATIC_QUIT)
			return exit_client(cptr, sptr, sptr, STATIC_QUIT);
		if (IsVirus(sptr))
			return exit_client(cptr, sptr, sptr, "Client exited");

		if (!prefix_quit || strcmp(prefix_quit, "no"))
			s = ircsprintf(comment, "%s ",
		    		BadPtr(prefix_quit) ? "Quit:" : prefix_quit);
#ifdef STRIPBADWORDS
		ocomment = (char *)stripbadwords_quit(ocomment, &blocked);
		if (blocked)
			ocomment = parv[0];
#endif
		n = dospamfilter(sptr, ocomment, SPAMF_QUIT, NULL, 0, NULL);
		if (n == FLUSH_BUFFER)
			return n;
		if (n < 0)
			ocomment = parv[0];
		
		if (!IsAnOper(sptr) && ANTI_SPAM_QUIT_MSG_TIME)
			if (sptr->firsttime+ANTI_SPAM_QUIT_MSG_TIME > TStime())
				ocomment = parv[0];

		/* Strip color codes if any channel is +S, use nick as reason if +c. */
		if (IsPerson(sptr) && (strchr(ocomment, '\003')))
		{
			unsigned char filtertype = 0; /* 1=filter, 2=block, highest wins. */
			for (lp = sptr->user->channel; lp; lp = lp->next)
			{
				if (lp->chptr->mode.mode & MODE_NOCOLOR)
				{
					filtertype = 2;
					break;
				}
				if (lp->chptr->mode.mode & MODE_STRIP)
				{
					if (!filtertype)
						filtertype = 1;
				}
			}
			if (filtertype == 1)
			{
				ocomment = StripColors(ocomment);
				if (*ocomment == '\0')
					ocomment = parv[0];
			} else
			if (filtertype == 2)
				ocomment = parv[0];
		} /* (strip color codes) */

                for (tmphook = Hooks[HOOKTYPE_PRE_LOCAL_QUIT]; tmphook; tmphook = tmphook->next)
		{
                	ocomment = (*(tmphook->func.pcharfunc))(sptr, ocomment);
                        if (!ocomment)
			{			
				ocomment = parv[0];
                                break;
                        }
                }

		strncpy(s, ocomment, TOPICLEN - (s - comment));
		comment[TOPICLEN] = '\0';
		return exit_client(cptr, sptr, sptr, comment);
	}
	else
	{
		return exit_client(cptr, sptr, sptr, ocomment);
	}
}