コード例 #1
0
ファイル: m_svsfline.c プロジェクト: Adam-/unrealircd
DLLFUNC CMD_FUNC(m_svsfline)
{
	if (!IsServer(sptr))
		return 0;

	if (parc < 2)
		return 0;

	switch (*parv[1])
	{
		  /* Allow non-U:lines to send ONLY SVSFLINE +, but don't send it out
		   * unless it is from a U:line -- codemastr */
	  case '+':
	  {
		  if (parc < 4)
			  return 0;
		  if (!Find_deny_dcc(parv[2]))
			  DCCdeny_add(parv[2], parv[3], DCCDENY_HARD, CONF_BAN_TYPE_AKILL);
		  if (IsULine(sptr))
			  sendto_serv_butone_token(cptr,
			      sptr->name,
			      MSG_SVSFLINE, TOK_SVSFLINE,
			      "+ %s :%s",
			      parv[2], parv[3]);
		  break;
	  }
	  case '-':
	  {
		  ConfigItem_deny_dcc *deny;
		  if (!IsULine(sptr))
			  return 0;
		  if (parc < 3)
			  return 0;
		  if (!(deny = Find_deny_dcc(parv[2])))
			break;
		  DCCdeny_del(deny);
		  sendto_serv_butone_token(cptr, sptr->name,
		 	MSG_SVSFLINE, TOK_SVSFLINE, "%s",
			      parv[2]);
		  break;
	  }
	  case '*':
	  {
		  if (!IsULine(sptr))
			  return 0;
		  dcc_wipe_services();
		  sendto_serv_butone_token(cptr, sptr->name,
		      MSG_SVSFLINE, TOK_SVSFLINE,
		      	"*");
		  break;
	  }

	}
	return 0;
}
コード例 #2
0
ファイル: f_ulinessl.c プロジェクト: wirelesspt/unreal
// Parts all insecure users on a +z channel (NOT KICK)
void f_part_insecure_users (aChannel *chptr)
{
	Member *member, *mb2;
	aClient *cptr;
	char *comment = "Insecure user not allowed on secure channel (+z)";
	for (member = chptr->members; member; member = mb2)
	{
		mb2 = member->next;
		cptr = member->cptr;
		if (MyClient(cptr) && !IsSecureConnect(cptr) && !IsULine(cptr))
		{
			RunHook4(HOOKTYPE_LOCAL_PART, cptr, &me, chptr, comment);
			if ((chptr->mode.mode & MODE_AUDITORIUM) && is_chanownprotop(cptr, chptr))
			{
				sendto_chanops_butone(cptr, chptr, ":%s!%s@%s PART %s :%s",
					cptr->name, cptr->user->username, GetHost(cptr), chptr->chname, comment);
				sendto_prefix_one(cptr, &me, ":%s!%s@%s PART %s :%s",
					cptr->name, cptr->user->username, GetHost(cptr), chptr->chname, comment);
			} 
			else
			{
				sendto_channel_butserv(chptr, &me, ":%s!%s@%s PART %s :%s",
					cptr->name, cptr->user->username, GetHost(cptr), chptr->chname, comment);
			}
			sendto_one(cptr, err_str(ERR_SECUREONLYCHAN), me.name, cptr->name, chptr->chname);
			sendto_serv_butone_token(&me, cptr->name, MSG_PART, TOK_PART, "%s :%s", chptr->chname, comment);
			remove_user_from_channel(cptr, chptr);
		}
	}
}
コード例 #3
0
ファイル: m_sasl.c プロジェクト: Adam-/unrealircd
/*
 * SVSLOGIN message
 *
 * parv[0]: source
 * parv[1]: propagation mask
 * parv[2]: target PUID
 * parv[3]: ESVID
 */
static int m_svslogin(aClient *cptr, aClient *sptr, int parc, char *parv[])
{
	if (!SASL_SERVER || MyClient(sptr) || (parc < 3) || !parv[3])
		return 0;

	if (!stricmp(parv[1], me.name))
	{
		aClient *target_p;

		/* is the PUID valid? */
		if ((target_p = decode_puid(parv[2])) == NULL)
			return 0;

		if (target_p->user == NULL)
			make_user(target_p);

		strlcpy(target_p->user->svid, parv[3], sizeof(target_p->user->svid));

		sendto_one(target_p, err_str(RPL_LOGGEDIN), me.name,
			   BadPtr(target_p->name) ? "*" : target_p->name,
			   BadPtr(target_p->name) ? "*" : target_p->name,
			   BadPtr(target_p->user->username) ? "*" : target_p->user->username,
			   BadPtr(target_p->user->realhost) ? "*" : target_p->user->realhost,
			   target_p->user->svid, target_p->user->svid);

		return 0;
	}

	/* not for us; propagate. */
	sendto_serv_butone_token(cptr, parv[0], MSG_SVSLOGIN, TOK_SVSLOGIN, "%s %s %s",
				 parv[1], parv[2], parv[3]);

	return 0;
}
コード例 #4
0
ファイル: m_sasl.c プロジェクト: Adam-/unrealircd
static int abort_sasl(struct Client *cptr)
{
	if (cptr->sasl_out == 0 || cptr->sasl_complete)
		return 0;

	cptr->sasl_out = cptr->sasl_complete = 0;
	sendto_one(cptr, err_str(ERR_SASLABORTED), me.name, BadPtr(cptr->name) ? "*" : cptr->name);

	if (*cptr->sasl_agent)
	{
		aClient *agent_p = find_client(cptr->sasl_agent, NULL);

		if (agent_p != NULL)
		{
			sendto_serv_butone_token(NULL, me.name, MSG_SASL, TOK_SASL, "%s %s D A", AGENT_SID(agent_p), encode_puid(cptr));
			return 0;
		}
	}

	sendto_serv_butone_token(NULL, me.name, MSG_SASL, TOK_SASL, "* %s D A", encode_puid(cptr));
	return 0;
}
コード例 #5
0
ファイル: m_sasl.c プロジェクト: Adam-/unrealircd
/*
 * AUTHENTICATE message
 *
 * parv[0]: prefix
 * parv[1]: data
 */
static int m_authenticate(aClient *cptr, aClient *sptr, int parc, char *parv[])
{
	aClient *agent_p = NULL;

	/* Failing to use CAP REQ for sasl is a protocol violation. */
	if (!SASL_SERVER || !MyConnect(sptr) || BadPtr(parv[1]) || !CHECKPROTO(sptr, PROTO_SASL))
		return 0;

	if (sptr->sasl_complete)
	{
		sendto_one(sptr, err_str(ERR_SASLALREADY), me.name, BadPtr(sptr->name) ? "*" : sptr->name);
		return 0;
	}

	if ((parv[1][0] == ':') || strchr(parv[1], ' '))
	{
		sendto_one(sptr, err_str(ERR_CANNOTDOCOMMAND), me.name, "*", "AUTHENTICATE", "Invalid parameter");
		return 0;
	}

	if (strlen(parv[1]) > 400)
	{
		sendto_one(sptr, err_str(ERR_SASLTOOLONG), me.name, BadPtr(sptr->name) ? "*" : sptr->name);
		return 0;
	}

	if (*sptr->sasl_agent)
		agent_p = find_client(sptr->sasl_agent, NULL);

	if (agent_p == NULL)
		sendto_serv_butone_token(NULL, me.name, MSG_SASL, TOK_SASL, "%s %s S %s",
					 SASL_SERVER, encode_puid(sptr), parv[1]);
	else
		sendto_serv_butone_token(NULL, me.name, MSG_SASL, TOK_SASL, "%s %s C %s", AGENT_SID(agent_p), encode_puid(sptr), parv[1]);

	sptr->sasl_out++;

	return 0;
}
コード例 #6
0
ファイル: m_eos.c プロジェクト: SwiftIRC/ircd
/*
 * EOS (End Of Sync) command.
 * Type: Broadcast
 * Purpose: Broadcasted over a network if a server is synced (after the users, channels,
 *          etc are introduced). Makes us able to know if a server is linked.
 * History: Added in beta18 (in cvs since 2003-08-11) by Syzop
 */
DLLFUNC CMD_FUNC(m_eos)
{
	if (!IsServer(sptr))
		return 0;
	sptr->serv->flags.synced = 1;
	/* pass it on ^_- */
#ifdef DEBUGMODE
	ircd_log(LOG_ERROR, "[EOSDBG] m_eos: got sync from %s (path:%s)", sptr->name, cptr->name);
	ircd_log(LOG_ERROR, "[EOSDBG] m_eos: broadcasting it back to everyone except route from %s", cptr->name);
#endif
	sendto_serv_butone_token(cptr,
		parv[0], MSG_EOS, TOK_EOS, "", NULL);
	return 0;
}
コード例 #7
0
ファイル: m_sdesc.c プロジェクト: SwiftIRC/ircd
int m_sdesc(aClient *cptr, aClient *sptr, int parc, char *parv[])
{
	if (!IsAdmin(sptr) && !IsCoAdmin(sptr))
	{
		sendto_one(sptr, err_str(ERR_NOPRIVILEGES), me.name, sptr->name);
		return 0;
	}
	
	if (parc < 2)
	{
		sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS), me.name, sptr->name, "SDESC");
		return 0;
	}

	if (strlen(parv[1]) < 1)
		if (MyConnect(sptr))
		{
			sendto_one(sptr,
			    ":%s NOTICE %s :*** Nothing to change to (SDESC)",
			    me.name, sptr->name);
			return 0;
		}
	if (strlen(parv[1]) > (REALLEN))
	{
		if (MyConnect(sptr))
		{
			sendto_one(sptr,
			    ":%s NOTICE %s :*** /SDESC Error: \"Server info\" may maximum be %i characters of length",
			    me.name, sptr->name, REALLEN);
		}
		return 0;
	}

	ircsprintf(sptr->srvptr->info, "%s", parv[1]);

	sendto_serv_butone_token(cptr, sptr->name, MSG_SDESC, TOK_SDESC, ":%s",
	    parv[1]);

	if (MyConnect(sptr))
	{
		sendto_one(sptr,
		    ":%s NOTICE %s :Your \"server description\" is now set to be %s - you have to set it manually to undo it",
		    me.name, parv[0], parv[1]);
		return 0;
	}
	sendto_ops("Server description for %s is now '%s' changed by %s",
	    sptr->srvptr->name, sptr->srvptr->info, parv[0]);
	return 0;
}
コード例 #8
0
ファイル: m_svsnick.c プロジェクト: cyocom/Technokats-Website
/*
** m_svsnick
**      parv[0] = sender
**      parv[1] = old nickname
**      parv[2] = new nickname
**      parv[3] = timestamp
*/
int  m_svsnick(aClient *cptr, aClient *sptr, int parc, char *parv[])
{
aClient *acptr;
aClient *ocptr; /* Other client */

	if (!IsULine(sptr) || parc < 4 || (strlen(parv[2]) > NICKLEN))
		return -1; /* This looks like an error anyway -Studded */

	if (hunt_server_token(cptr, sptr, MSG_SVSNICK, TOK_SVSNICK, "%s %s :%s", 1, parc, parv) != HUNTED_ISME)
		return 0; /* Forwarded, done */

	if (do_nick_name(parv[2]) == 0)
		return 0;

	if (!(acptr = find_person(parv[1], NULL)))
		return 0; /* User not found, bail out */

	if ((ocptr = find_client(parv[2], NULL)) && ocptr != acptr) /* Collision */
	{
		exit_client(acptr, acptr, sptr,
		                   "Nickname collision due to Services enforced "
		                   "nickname change, your nick was overruled");
		return 0;
	}

	if (acptr != ocptr)
		acptr->umodes &= ~UMODE_REGNICK;
	acptr->lastnick = TS2ts(parv[3]);
	sendto_common_channels(acptr, ":%s NICK :%s", parv[1], parv[2]);
	add_history(acptr, 1);
	sendto_serv_butone_token(NULL, parv[1], MSG_NICK, TOK_NICK,
	                         "%s :%ld", parv[2], TS2ts(parv[3]));

	(void)del_from_client_hash_table(acptr->name, acptr);
	hash_check_watch(acptr, RPL_LOGOFF);

	sendto_snomask(SNO_NICKCHANGE,
		"*** Notice -- %s (%s@%s) has been forced to change his/her nickname to %s", 
		acptr->name, acptr->user->username, acptr->user->realhost, parv[2]);
	RunHook2(HOOKTYPE_LOCAL_NICKCHANGE, acptr, parv[2]);

	strlcpy(acptr->name, parv[2], sizeof acptr->name);
	add_to_client_hash_table(parv[2], acptr);
	hash_check_watch(acptr, RPL_LOGON);

	return 0;
}
コード例 #9
0
ファイル: m_sendsno.c プロジェクト: Adam-/unrealircd
/*
** m_sendsno - Written by Syzop, bit based on SENDUMODE from Stskeeps
**      parv[0] = sender prefix
**      parv[1] = target snomask
**      parv[2] = message text
** Servers can use this to:
**   :server.unreal.net SENDSNO e :Hiiiii
*/
DLLFUNC int m_sendsno(aClient *cptr, aClient *sptr, int parc, char *parv[])
{
char *sno, *msg, *p;
long snomask = 0;
int i;
#ifndef NO_FDLIST
int j;
#endif
aClient *acptr;

	if ((parc < 3) || BadPtr(parv[2]))
	{
		sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "SENDSNO");
		return 0;
	}
	sno = parv[1];
	msg = parv[2];

	/* Forward to others... */
	sendto_serv_butone_token(cptr, sptr->name, MSG_SENDSNO, TOK_SENDSNO,
		"%s :%s", parv[1], parv[2]);

	for (p = sno; *p; p++)
	{
		for(i = 0; i <= Snomask_highest; i++)
		{
			if (Snomask_Table[i].flag == *p)
			{
				snomask |= Snomask_Table[i].mode;
				break;
			}
		}
	}

#ifdef NO_FDLIST
	for(i = 0; i <= LastSlot; i++)
#else
	for (i = oper_fdlist.entry[j = 1]; j <= oper_fdlist.last_entry; i = oper_fdlist.entry[++j])
#endif
		if ((acptr = local[i]) && IsPerson(acptr) && IsAnOper(acptr) &&
		    (acptr->user->snomask & snomask))
		{
			sendto_one(acptr, ":%s NOTICE %s :%s", me.name, acptr->name, msg);
		}

	return 0;
}
コード例 #10
0
ファイル: m_sasl.c プロジェクト: Adam-/unrealircd
/*
 * SASL message
 *
 * parv[0]: prefix
 * parv[1]: distribution mask
 * parv[2]: target PUID
 * parv[3]: mode/state
 * parv[4]: data
 * parv[5]: out-of-bound data
 */
static int m_sasl(aClient *cptr, aClient *sptr, int parc, char *parv[])
{
	if (!SASL_SERVER || MyClient(sptr) || (parc < 4) || !parv[4])
		return 0;

	if (!stricmp(parv[1], me.name))
	{
		aClient *target_p;

		/* is the PUID valid? */
		if ((target_p = decode_puid(parv[2])) == NULL)
			return 0;

		if (target_p->user == NULL)
			make_user(target_p);

		/* reject if another SASL agent is answering */
		if (*target_p->sasl_agent && stricmp(parv[0], target_p->sasl_agent))
			return 0;
		else
			strlcpy(target_p->sasl_agent, parv[0], sizeof(target_p->sasl_agent));

		if (*parv[3] == 'C')
			sendto_one(target_p, "AUTHENTICATE %s", parv[4]);
		else if (*parv[3] == 'D')
		{
			if (*parv[4] == 'F')
				sendto_one(target_p, err_str(ERR_SASLFAIL), me.name, BadPtr(target_p->name) ? "*" : target_p->name);
			else if (*parv[4] == 'S')
			{
				target_p->sasl_complete++;
				sendto_one(target_p, err_str(RPL_SASLSUCCESS), me.name, BadPtr(target_p->name) ? "*" : target_p->name);
			}

			*target_p->sasl_agent = '\0';
		}

		return 0;
	}

	/* not for us; propagate. */
	sendto_serv_butone_token(cptr, parv[0], MSG_SASL, TOK_SASL, "%s %s %c %s %s",
				 parv[1], parv[2], *parv[3], parv[4], parc > 5 ? parv[5] : "");

	return 0;
}
コード例 #11
0
ファイル: m_globops.c プロジェクト: cyocom/Technokats-Website
/*
** m_globops (write to opers who are +g currently online)
**      parv[0] = sender prefix
**      parv[1] = message text
*/
DLLFUNC CMD_FUNC(m_globops)
{
	char *message;

	message = parc > 1 ? parv[1] : NULL;

	if (BadPtr(message))
	{
		sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS),
		    me.name, parv[0], "GLOBOPS");
		return 0;
	}
	if (MyClient(sptr) && !OPCanGlobOps(sptr))
	{
		sendto_one(sptr, err_str(ERR_NOPRIVILEGES), me.name, parv[0]);
		return 0;
	}
	sendto_serv_butone_token(IsServer(cptr) ? cptr : NULL,
	    parv[0], MSG_GLOBOPS, TOK_GLOBOPS, ":%s", message);
	sendto_failops_whoare_opers("from %s: %s", parv[0], message);
	return 0;
}
コード例 #12
0
ファイル: m_part.c プロジェクト: Adam-/unrealircd
/*
** 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;
}
コード例 #13
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;
}
コード例 #14
0
ファイル: m_chgident.c プロジェクト: SwiftIRC/ircd
int m_chgident(aClient *cptr, aClient *sptr, int parc, char *parv[])
{
aClient *acptr;
char *s;
int  legalident = 1;

	if (MyClient(sptr) && !IsAnOper(sptr))
	{
		sendto_one(sptr, err_str(ERR_NOPRIVILEGES), me.name, parv[0]);
		return 0;
	}


#ifdef DISABLE_USERMOD
	if (MyClient(sptr))
	{
		sendto_one(sptr, err_str(ERR_DISABLED), me.name, sptr->name, "CHGIDENT",
			"This command is disabled on this server");
		return 0;
	}
#endif

	if ((parc < 3) || !*parv[2])
	{
		sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS), me.name, sptr->name, "CHGIDENT");
		return 0;
	}

	if (strlen(parv[2]) > (USERLEN))
	{
		sendnotice(sptr, "*** ChgIdent Error: Requested ident too long -- rejected.");
		return 0;
	}

	/* illegal?! */
	for (s = parv[2]; *s; s++)
	{
		if ((*s == '~') && (s == parv[2]))
			continue;
		if (!isallowed(*s))
		{
			legalident = 0;
		}
	}

	if (legalident == 0)
	{
		sendnotice(sptr, "*** /ChgIdent Error: A ident may contain a-z, A-Z, 0-9, '-' & '.' - Please only use them");
		return 0;
	}

	if ((acptr = find_person(parv[1], NULL)))
	{
		DYN_LOCAL(char, did_parts, acptr->user->joined);
		switch (UHOST_ALLOWED)
		{
			case UHALLOW_NEVER:
				if (MyClient(sptr))
				{
					sendto_one(sptr, err_str(ERR_DISABLED), me.name, sptr->name, "CHGIDENT",
						"This command is disabled on this server");
					DYN_FREE(did_parts);
					return 0;
				}
				break;
			case UHALLOW_ALWAYS:
				break;
			case UHALLOW_NOCHANS:
				if (IsPerson(acptr) && MyClient(sptr) && acptr->user->joined)
				{
					sendnotice(sptr, "*** /ChgIdent can not be used while %s is on a channel", acptr->name);
					DYN_FREE(did_parts);
					return 0;
				}
				break;
			case UHALLOW_REJOIN:
				rejoin_doparts(acptr, did_parts);
				/* join sent later when the ident has been changed */
				break;
		}
		if (!IsULine(sptr))
		{
			sendto_snomask(SNO_EYES,
			    "%s changed the virtual ident of %s (%s@%s) to be %s",
			    sptr->name, acptr->name, acptr->user->username,
			    GetHost(acptr), parv[2]);
			/* Logging ability added by XeRXeS */
			ircd_log(LOG_CHGCMDS,
				"CHGIDENT: %s changed the virtual ident of %s (%s@%s) to be %s",
				sptr->name, acptr->name, acptr->user->username,    
				GetHost(acptr), parv[2]);
		}



		sendto_serv_butone_token(cptr, sptr->name,
		    MSG_CHGIDENT,
		    TOK_CHGIDENT, "%s %s", acptr->name, parv[2]);
		ircsprintf(acptr->user->username, "%s", parv[2]);
		if (UHOST_ALLOWED == UHALLOW_REJOIN)
			rejoin_dojoinandmode(acptr, did_parts);
		DYN_FREE(did_parts);
		return 0;
	}
コード例 #15
0
ファイル: m_sajoin.c プロジェクト: cyocom/Technokats-Website
/* m_sajoin() - Lamego - Wed Jul 21 20:04:48 1999
   Copied off PTlink IRCd (C) PTlink coders team.
   Coded for Sadmin by Stskeeps
   also Modified by NiQuiL ([email protected])
	parv[0] - sender
	parv[1] - nick to make join
	parv[2] - channel(s) to join
*/
DLLFUNC CMD_FUNC(m_sajoin)
{
	aClient *acptr;
	char jbuf[BUFSIZE];
	int did_anything = 0;

	if (!IsSAdmin(sptr) && !IsULine(sptr))
	{
	 sendto_one(sptr, err_str(ERR_NOPRIVILEGES), me.name, parv[0]);
	 return 0;
	}

	if (parc < 3)
	{
	 sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "SAJOIN");
	 return 0;
	}

	if (!(acptr = find_person(parv[1], NULL)))
	{
		sendto_one(sptr, err_str(ERR_NOSUCHNICK), me.name, parv[0], parv[1]);
		return 0;
	}
	if (MyClient(acptr))
	{
		char *name, *p = NULL;
		int i, parted = 0;
	
		*jbuf = 0;

		/* Now works like m_join */
		for (i = 0, name = strtoken(&p, parv[2], ","); name; name = strtoken(&p,
		     NULL, ","))
		{
			aChannel *chptr;
			Membership *lp;

			if (strlen(name) > CHANNELLEN)
				name[CHANNELLEN] = 0;
			clean_channelname(name);
			if (*name == '0' && !atoi(name))
			{
				(void)strcpy(jbuf, "0");
				i = 1;
				parted = 1;
				continue;
			}
			if (check_channelmask(sptr, cptr, name) == -1 || *name == '0' ||
			    !IsChannelName(name))
			{
				sendto_one(sptr,
				    err_str(ERR_NOSUCHCHANNEL), me.name,
				    parv[0], name);
				continue;
			}

			chptr = get_channel(acptr, name, 0);
			if (!parted && chptr && (lp = find_membership_link(acptr->user->channel, chptr)))
			{
				sendto_one(sptr, err_str(ERR_USERONCHANNEL), me.name, parv[0], 
					   parv[1], name);
				continue;
			}
			if (*jbuf)
				(void)strlcat(jbuf, ",", sizeof jbuf);
			(void)strlncat(jbuf, name, sizeof jbuf, sizeof(jbuf) - i - 1);
			i += strlen(name) + 1;
		}
		if (!*jbuf)
			return -1;
		i = 0;
		strcpy(parv[2], jbuf);
		*jbuf = 0;
		for (name = strtoken(&p, parv[2], ","); name; name = strtoken(&p, NULL, ","))
		{
			int flags;
			aChannel *chptr;
			Membership *lp;

			if (*name == '0' && !atoi(name))
			{
				did_anything = 1;
				while ((lp = acptr->user->channel))
				{
					chptr = lp->chptr;
					sendto_channel_butserv(chptr, acptr,
					    ":%s PART %s :%s", acptr->name, chptr->chname,
					    "Left all channels");
					if (MyConnect(acptr))
						RunHook4(HOOKTYPE_LOCAL_PART, acptr, acptr, chptr,
							 "Left all channels");
					remove_user_from_channel(acptr, chptr);
				}
				sendto_serv_butone_token(acptr, acptr->name,
				    MSG_JOIN, TOK_JOIN, "0");
				strcpy(jbuf, "0");
				i = 1;
				continue;
			}
			flags = (ChannelExists(name)) ? CHFL_DEOPPED : CHFL_CHANOP;
			chptr = get_channel(acptr, name, CREATE);
			if (chptr && (lp = find_membership_link(acptr->user->channel, chptr)))
				continue;
			if ((chptr->mode.mode & MODE_ONLYSECURE) && !IsSecure(acptr))
			{
				sendnotice(sptr, "You cannot SAJOIN %s to %s because the channel is +z and the user is not connected via SSL",
					acptr->name, chptr->chname);
				continue;
			}
			join_channel(chptr, acptr, acptr, flags);
			did_anything = 1;
			if (*jbuf)
				(void)strlcat(jbuf, ",", sizeof jbuf);
			(void)strlncat(jbuf, name, sizeof jbuf, sizeof(jbuf) - i - 1);
			i += strlen(name) + 1;
		}
		
		if (did_anything)
		{
			sendnotice(acptr, "*** You were forced to join %s", jbuf);
			sendto_realops("%s used SAJOIN to make %s join %s", sptr->name, acptr->name,
				       jbuf);
			sendto_serv_butone(&me, ":%s GLOBOPS :%s used SAJOIN to make %s join %s",
					   me.name, sptr->name, acptr->name, jbuf);
			/* Logging function added by XeRXeS */
			ircd_log(LOG_SACMDS,"SAJOIN: %s used SAJOIN to make %s join %s",
				sptr->name, parv[1], jbuf);
		}
	}
	else
	{
		sendto_one(acptr, ":%s SAJOIN %s %s", parv[0],
		    parv[1], parv[2]);

		/* Logging function added by XeRXeS */
		ircd_log(LOG_SACMDS,"SAJOIN: %s used SAJOIN to make %s join %s",
			sptr->name, parv[1], parv[2]);
	}

	return 0;
}
コード例 #16
0
ファイル: m_nick.c プロジェクト: cyocom/Technokats-Website
/*
** 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;
}
コード例 #17
0
ファイル: m_join.c プロジェクト: blank4/unrealircd
/* Routine that actually makes a user join the channel
 * this does no actual checking (banned, etc.) it just adds the user
 */
DLLFUNC void _join_channel(aChannel *chptr, aClient *cptr, aClient *sptr, int flags)
{
    char *parv[] = { 0, 0 };
    /*
       **  Complete user entry to the new channel (if any)
     */
    add_user_to_channel(chptr, sptr, flags);
    /*
       ** notify all other users on the new channel
     */
    if (chptr->mode.mode & MODE_AUDITORIUM)
    {
        if (MyClient(sptr))
            sendto_one(sptr, ":%s!%s@%s JOIN :%s",
                       sptr->name, sptr->user->username,
                       GetHost(sptr), chptr->chname);
        sendto_chanops_butone(NULL, chptr, ":%s!%s@%s JOIN :%s",
                              sptr->name, sptr->user->username,
                              GetHost(sptr), chptr->chname);
    }
    else
        sendto_channel_butserv(chptr, sptr,
                               ":%s JOIN :%s", sptr->name, chptr->chname);

    sendto_serv_butone_token_opt(cptr, OPT_NOT_SJ3, sptr->name, MSG_JOIN,
                                 TOK_JOIN, "%s", chptr->chname);

#ifdef JOIN_INSTEAD_OF_SJOIN_ON_REMOTEJOIN
    if ((MyClient(sptr) && !(flags & CHFL_CHANOP)) || !MyClient(sptr))
        sendto_serv_butone_token_opt(cptr, OPT_SJ3, sptr->name, MSG_JOIN,
                                     TOK_JOIN, "%s", chptr->chname);
    if (flags && !(flags & CHFL_DEOPPED))
    {
#endif
        /* I _know_ that the "@%s " look a bit wierd
           with the space and all .. but its to get around
           a SJOIN bug --stskeeps */
        sendto_serv_butone_token_opt(cptr, OPT_SJ3|OPT_SJB64,
                                     me.name, MSG_SJOIN, TOK_SJOIN,
                                     "%B %s :%s%s ", (long)chptr->creationtime,
                                     chptr->chname, chfl_to_sjoin_symbol(flags), sptr->name);
        sendto_serv_butone_token_opt(cptr, OPT_SJ3|OPT_NOT_SJB64,
                                     me.name, MSG_SJOIN, TOK_SJOIN,
                                     "%li %s :%s%s ", chptr->creationtime,
                                     chptr->chname, chfl_to_sjoin_symbol(flags), sptr->name);
#ifdef JOIN_INSTEAD_OF_SJOIN_ON_REMOTEJOIN
    }
#endif

    if (MyClient(sptr))
    {
        /*
           ** Make a (temporal) creationtime, if someone joins
           ** during a net.reconnect : between remote join and
           ** the mode with TS. --Run
         */
        if (chptr->creationtime == 0)
        {
            chptr->creationtime = TStime();
            sendto_serv_butone_token(cptr, me.name,
                                     MSG_MODE, TOK_MODE, "%s + %lu",
                                     chptr->chname, chptr->creationtime);
        }
        del_invite(sptr, chptr);
        if (flags && !(flags & CHFL_DEOPPED))
        {
#ifndef PREFIX_AQ
            if ((flags & CHFL_CHANOWNER) || (flags & CHFL_CHANPROT))
            {
                /* +ao / +qo for when PREFIX_AQ is off */
                sendto_serv_butone_token_opt(cptr, OPT_NOT_SJ3,
                                             me.name,
                                             MSG_MODE, TOK_MODE, "%s +o%c %s %s %lu",
                                             chptr->chname, chfl_to_chanmode(flags), sptr->name, sptr->name,
                                             chptr->creationtime);
            } else {
#endif
                /* +v/+h/+o (and +a/+q if PREFIX_AQ is on) */
                sendto_serv_butone_token_opt(cptr, OPT_NOT_SJ3,
                                             me.name,
                                             MSG_MODE, TOK_MODE, "%s +%c %s %lu",
                                             chptr->chname, chfl_to_chanmode(flags), sptr->name,
                                             chptr->creationtime);
#ifndef PREFIX_AQ
            }
#endif
        }
        if (chptr->topic)
        {
            sendto_one(sptr, rpl_str(RPL_TOPIC),
                       me.name, sptr->name, chptr->chname, chptr->topic);
            sendto_one(sptr,
                       rpl_str(RPL_TOPICWHOTIME), me.name,
                       sptr->name, chptr->chname, chptr->topic_nick,
                       chptr->topic_time);
        }
        if (chptr->users == 1 && (MODES_ON_JOIN
#ifdef EXTCMODE
                                  || iConf.modes_on_join.extmodes)
#endif
           )
        {
#ifdef EXTCMODE
            int i;
            chptr->mode.extmode =  iConf.modes_on_join.extmodes;
            /* Param fun */
            for (i = 0; i <= Channelmode_highest; i++)
            {
                if (!Channelmode_Table[i].flag || !Channelmode_Table[i].paracount)
                    continue;
                if (chptr->mode.extmode & Channelmode_Table[i].mode)
                {
                    CmodeParam *p;
                    p = Channelmode_Table[i].put_param(NULL, iConf.modes_on_join.extparams[i]);
                    AddListItem(p, chptr->mode.extmodeparam);
                }
            }
#endif
            chptr->mode.mode = MODES_ON_JOIN;
#ifdef NEWCHFLOODPROT
            if (iConf.modes_on_join.floodprot.per)
            {
                chptr->mode.floodprot = MyMalloc(sizeof(ChanFloodProt));
                memcpy(chptr->mode.floodprot, &iConf.modes_on_join.floodprot, sizeof(ChanFloodProt));
            }
#else
            chptr->mode.kmode = iConf.modes_on_join.kmode;
            chptr->mode.per = iConf.modes_on_join.per;
            chptr->mode.msgs = iConf.modes_on_join.msgs;
#endif
            *modebuf = *parabuf = 0;
            channel_modes(sptr, modebuf, parabuf, chptr);
            /* This should probably be in the SJOIN stuff */
            sendto_serv_butone_token(&me, me.name, MSG_MODE, TOK_MODE,
                                     "%s %s %s %lu", chptr->chname, modebuf, parabuf,
                                     chptr->creationtime);
            sendto_one(sptr, ":%s MODE %s %s %s", me.name, chptr->chname, modebuf, parabuf);
        }
        parv[0] = sptr->name;
        parv[1] = chptr->chname;
        do_cmd(cptr, sptr, "NAMES", 2, parv);
        RunHook4(HOOKTYPE_LOCAL_JOIN, cptr, sptr,chptr,parv);
    } else {
        RunHook4(HOOKTYPE_REMOTE_JOIN, cptr, sptr, chptr, parv); /* (rarely used) */
    }

#ifdef NEWCHFLOODPROT
    /* I'll explain this only once:
     * 1. if channel is +f
     * 2. local client OR synced server
     * 3. then, increase floodcounter
     * 4. if we reached the limit AND only if source was a local client.. do the action (+i).
     * Nr 4 is done because otherwise you would have a noticeflood with 'joinflood detected'
     * from all servers.
     */
    if (chptr->mode.floodprot && (MyClient(sptr) || sptr->srvptr->serv->flags.synced) &&
            !IsULine(sptr) && do_chanflood(chptr->mode.floodprot, FLD_JOIN) && MyClient(sptr))
    {
        do_chanflood_action(chptr, FLD_JOIN, "join");
    }
#endif
}
コード例 #18
0
ファイル: m_rmtkl.c プロジェクト: wirelesspt/unreal
DLLFUNC int m_rmtkl(aClient *cptr, aClient *sptr, int parc, char *parv[])
{
aTKline *tk, *next = NULL;
TKLType *tkltype;
char *types, *uhmask, *cmask, *p;
char gmt[256], flag;
int tklindex;

	if (!IsULine(sptr) && !(IsPerson(sptr) && IsAnOper(sptr)))
	{
		sendto_one(sptr, err_str(ERR_NOPRIVILEGES), me.name, parv[0]);
		return -1;
	}

	if (IsNotParam(1))
		return dumpit(sptr, rmtkl_help);

	if (IsNotParam(2))
	{
		sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS), me.name, parv[0], "RMTKL");
		sendnotice(sptr, "Type '/RMTKL' for help");
		return 0;
	}

	types	= parv[1];
	uhmask	= parv[2];
	cmask	= IsParam(3) ? parv[3] : NULL;

	/* I don't add 'q' and 'Q' here. They are different. */
	if (strchr(types, '*'))
		types = "KzGZs";

	/* check access */
	if (!IsULine(sptr))
		for (p = types; *p; p++)
		{
			tkltype = find_TKLType_by_flag(*p);
			if (!tkltype->type)
				continue;
			if (((tkltype->type & TKL_GLOBAL) && !IsOper(sptr))
			    || !(sptr->oflag & tkltype->oflag))
			{
				sendto_one(sptr, err_str(ERR_NOPRIVILEGES),
					me.name, parv[0]);
				return -1;
			}
		}

	for (tkltype = tkl_types; tkltype->type; tkltype++)
	{
		flag		= tkltype->flag;
		tklindex	= tkl_hash(flag);

		if (!strchr(types, flag))
			continue;

		for (tk = tklines[tklindex]; tk; tk = next)
		{
			next = tk->next;

			if (tk->type != tkltype->type)
				continue;
			if (tk->type & TKL_NICK)
			{
				/*
				 * If it's a services hold (ie. NickServ is holding
				 * a nick), it's better not to touch it
				 */
				if (*tk->usermask == 'H')
					continue;
				if (match(uhmask, tk->hostmask))
					continue;
			}
			else
				if (match(uhmask, make_user_host(tk->usermask, tk->hostmask)))
					continue;

			if (cmask && _match(cmask, tk->reason))
				continue;

			strncpyzt(gmt, asctime(gmtime((TS *)&tk->set_at)),
				sizeof gmt);
			iCstrip(gmt);

			if (tk->type & TKL_NICK)
			{
				sendto_snomask(SNO_TKL, "%s removed %s %s (set at %s "
					"- reason: %s)",
					sptr->name, tkltype->txt, tk->hostmask, gmt,
					tk->reason);
				ircd_log(LOG_TKL, "%s removed %s %s (set at %s "
					"- reason: %s)",
					sptr->name, tkltype->txt, tk->hostmask,
					gmt, tk->reason);
			}
			else
			{
				sendto_snomask(SNO_TKL, "%s removed %s %s@%s (set at "
					"%s - reason: %s)",
					sptr->name, tkltype->txt, tk->usermask,
					tk->hostmask, gmt, tk->reason);
				ircd_log(LOG_TKL, "%s removed %s %s@%s (set at "
					"%s - reason: %s)",
					sptr->name, tkltype->txt, tk->usermask,
					tk->hostmask, gmt, tk->reason);
			}

			if ((tk->type & TKL_GLOBAL) && flag)
				sendto_serv_butone_token(&me, me.name, MSG_TKL, TOK_TKL,
					"- %c %s %s %s",
					flag, tk->usermask, tk->hostmask, parv[0]);
			if (tk->type & TKL_SHUN)
				tkl_check_local_remove_shun(tk);
			my_tkl_del_line(tk, tklindex);
		}
	}

	return 0;
}