/** Kicks all insecure users on a +z channel */
static void secureonly_kick_insecure_users(aChannel *chptr)
{
Member *member, *mb2;
aClient *cptr;
int i = 0;
Hook *h;
char *comment = "Insecure user not allowed on secure channel (+z)";
if (!IsSecureOnly(chptr))
return;
for (member = chptr->members; member; member = mb2)
{
mb2 = member->next;
cptr = member->cptr;
if (MyClient(cptr) && !IsSecureConnect(cptr) && !IsULine(cptr))
{
RunHook5(HOOKTYPE_LOCAL_KICK, &me, &me, cptr, chptr, comment);
i = 0;
for (h = Hooks[HOOKTYPE_VISIBLE_IN_CHANNEL]; h; h = h->next)
{
i = (*(h->func.intfunc))(cptr,chptr);
if (i != 0)
break;
}
if (i != 0 && !(is_skochanop(cptr, chptr) || has_voice(cptr,chptr)))
{
sendto_chanops_butone(cptr, chptr, ":%s KICK %s %s :%s", me.name, chptr->chname, cptr->name, comment);
sendto_prefix_one(cptr, &me, ":%s KICK %s %s :%s", me.name, chptr->chname, cptr->name, comment);
}
else
{
sendto_channel_butserv(chptr, &me, ":%s KICK %s %s :%s", me.name, chptr->chname, cptr->name, comment);
}
sendto_server(&me, 0, 0, ":%s KICK %s %s :%s", me.name, chptr->chname, cptr->name, comment);
remove_user_from_channel(cptr, chptr);
}
}
}
/*
** 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;
}
int check_for_chan_flood(aClient *cptr, aClient *sptr, aChannel *chptr)
{
Membership *lp;
MembershipL *lp2;
int c_limit, t_limit, banthem;
if (!MyClient(sptr))
return 0;
if (IsOper(sptr) || IsULine(sptr))
return 0;
if (is_skochanop(sptr, chptr))
return 0;
if (!(lp = find_membership_link(sptr->user->channel, chptr)))
return 0;
lp2 = (MembershipL *) lp;
#ifdef NEWCHFLOODPROT
if (!chptr->mode.floodprot || !chptr->mode.floodprot->l[FLD_TEXT])
return 0;
c_limit = chptr->mode.floodprot->l[FLD_TEXT];
t_limit = chptr->mode.floodprot->per;
banthem = (chptr->mode.floodprot->a[FLD_TEXT] == 'b') ? 1 : 0;
#else
if ((chptr->mode.msgs < 1) || (chptr->mode.per < 1))
return 0;
c_limit = chptr->mode.msgs;
t_limit = chptr->mode.per;
banthem = chptr->mode.kmode;
#endif
/* if current - firstmsgtime >= mode.per, then reset,
* if nummsg > mode.msgs then kick/ban
*/
Debug((DEBUG_ERROR, "Checking for flood +f: firstmsg=%d (%ds ago), new nmsgs: %d, limit is: %d:%d",
lp2->flood.firstmsg, TStime() - lp2->flood.firstmsg, lp2->flood.nmsg + 1,
c_limit, t_limit));
if ((TStime() - lp2->flood.firstmsg) >= t_limit)
{
/* reset */
lp2->flood.firstmsg = TStime();
lp2->flood.nmsg = 1;
return 0; /* forget about it.. */
}
/* increase msgs */
lp2->flood.nmsg++;
if ((lp2->flood.nmsg) > c_limit)
{
char comment[1024], mask[1024];
ircsprintf(comment,
"Flooding (Limit is %i lines per %i seconds)",
c_limit, t_limit);
if (banthem)
{ /* ban. */
ircsprintf(mask, "*!*@%s", GetHost(sptr));
add_listmode(&chptr->banlist, &me, chptr, mask);
sendto_serv_butone(&me, ":%s MODE %s +b %s 0",
me.name, chptr->chname, mask);
sendto_channel_butserv(chptr, &me,
":%s MODE %s +b %s", me.name, chptr->chname, mask);
}
sendto_channel_butserv(chptr, &me,
":%s KICK %s %s :%s", me.name,
chptr->chname, sptr->name, comment);
sendto_serv_butone_token(cptr, me.name,
MSG_KICK, TOK_KICK,
"%s %s :%s",
chptr->chname, sptr->name, comment);
remove_user_from_channel(sptr, chptr);
return 1;
}
return 0;
}