--- /dev/null
+/*
+ * IRC - Internet Relay Chat, include/client.h
+ * Copyright (C) 1990 Jarkko Oikarinen and
+ * University of Oulu, Computing Center
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/** @file
+ * @brief Structures and functions for handling local clients.
+ * @version $Id$
+ */
+#ifndef INCLUDED_client_h
+#define INCLUDED_client_h
+#ifndef INCLUDED_ircd_defs_h
+#include "ircd_defs.h"
+#endif
+#ifndef INCLUDED_dbuf_h
+#include "dbuf.h"
+#endif
+#ifndef INCLUDED_msgq_h
+#include "msgq.h"
+#endif
+#ifndef INCLUDED_ircd_events_h
+#include "ircd_events.h"
+#endif
+#ifndef INCLUDED_ircd_handler_h
+#include "ircd_handler.h"
+#endif
+#ifndef INCLUDED_res_h
+#include "res.h"
+#endif
+#ifndef INCLUDED_sys_types_h
+#include <sys/types.h> /* time_t, size_t */
+#define INCLUDED_sys_types_h
+#endif
+
+struct ConfItem;
+struct Listener;
+struct ListingArgs;
+struct SLink;
+struct Server;
+struct User;
+struct Whowas;
+struct hostent;
+struct Privs;
+struct AuthRequest;
+
+/*
+ * Structures
+ *
+ * Only put structures here that are being used in a very large number of
+ * source files. Other structures go in the header file of there corresponding
+ * source file, or in the source file itself (when only used in that file).
+ */
+
+/** Single element in a flag bitset array. */
+typedef unsigned long flagpage_t;
+
+/** Number of bits in a flagpage_t. */
+#define FLAGSET_NBITS (8 * sizeof(flagpage_t))
+/** Element number for flag \a flag. */
+#define FLAGSET_INDEX(flag) ((flag) / FLAGSET_NBITS)
+/** Element bit for flag \a flag. */
+#define FLAGSET_MASK(flag) (1ul<<((flag) % FLAGSET_NBITS))
+
+/** Declare a flagset structure of a particular size. */
+#define DECLARE_FLAGSET(name,max) \
+ struct name \
+ { \
+ unsigned long bits[((max + FLAGSET_NBITS - 1) / FLAGSET_NBITS)]; \
+ }
+
+/** Test whether a flag is set in a flagset. */
+#define FlagHas(set,flag) ((set)->bits[FLAGSET_INDEX(flag)] & FLAGSET_MASK(flag))
+/** Set a flag in a flagset. */
+#define FlagSet(set,flag) ((set)->bits[FLAGSET_INDEX(flag)] |= FLAGSET_MASK(flag))
+/** Clear a flag in a flagset. */
+#define FlagClr(set,flag) ((set)->bits[FLAGSET_INDEX(flag)] &= ~FLAGSET_MASK(flag))
+
+/** String containing valid user modes, in no particular order. */
+#define infousermodes "diOoswkgx"
+
+/** Operator privileges. */
+enum Priv
+ {
+ PRIV_CHAN_LIMIT, /**< no channel limit on oper */
+ PRIV_MODE_LCHAN, /**< oper can mode local chans */
+ PRIV_WALK_LCHAN, /**< oper can walk through local modes */
+ PRIV_DEOP_LCHAN, /**< no deop oper on local chans */
+ PRIV_SHOW_INVIS, /**< show local invisible users */
+ PRIV_SHOW_ALL_INVIS, /**< show all invisible users */
+ PRIV_UNLIMIT_QUERY, /**< unlimit who queries */
+ PRIV_KILL, /**< oper can KILL */
+ PRIV_LOCAL_KILL, /**< oper can local KILL */
+ PRIV_REHASH, /**< oper can REHASH */
+ PRIV_RESTART, /**< oper can RESTART */
+ PRIV_DIE, /**< oper can DIE */
+ PRIV_GLINE, /**< oper can GLINE */
+ PRIV_LOCAL_GLINE, /**< oper can local GLINE */
+ PRIV_JUPE, /**< oper can JUPE */
+ PRIV_LOCAL_JUPE, /**< oper can local JUPE */
+ PRIV_OPMODE, /**< oper can OP/CLEARMODE */
+ PRIV_LOCAL_OPMODE, /**< oper can local OP/CLEARMODE */
+ PRIV_SET, /**< oper can SET */
+ PRIV_WHOX, /**< oper can use /who x */
+ PRIV_BADCHAN, /**< oper can BADCHAN */
+ PRIV_LOCAL_BADCHAN, /**< oper can local BADCHAN */
+ PRIV_SEE_CHAN, /**< oper can see in secret chans */
+ PRIV_PROPAGATE, /**< propagate oper status */
+ PRIV_DISPLAY, /**< "Is an oper" displayed */
+ PRIV_SEE_OPERS, /**< display hidden opers */
+ PRIV_WIDE_GLINE, /**< oper can set wider G-lines */
+ PRIV_LIST_CHAN, /**< oper can list secret channels */
+ PRIV_FORCE_OPMODE, /**< can hack modes on quarantined channels */
+ PRIV_FORCE_LOCAL_OPMODE, /**< can hack modes on quarantined local channels */
+ PRIV_APASS_OPMODE, /**< can hack modes +A/-A/+U/-U */
+ PRIV_LAST_PRIV /**< number of privileges */
+ };
+
+/** Client flags and modes.
+ * Note that flags at least FLAG_LOCAL_UMODES but less than
+ * FLAG_GLOBAL_UMODES are treated as local modes, and flags at least
+ * FLAG_GLOBAL_UMODES (but less than FLAG_LAST_FLAG) are treated as
+ * global modes.
+ */
+enum Flag
+ {
+ FLAG_PINGSENT, /**< Unreplied ping sent */
+ FLAG_DEADSOCKET, /**< Local socket is dead--Exiting soon */
+ FLAG_KILLED, /**< Prevents "QUIT" from being sent for this */
+ FLAG_BLOCKED, /**< socket is in a blocked condition */
+ FLAG_CLOSING, /**< set when closing to suppress errors */
+ FLAG_UPING, /**< has active UDP ping request */
+ FLAG_HUB, /**< server is a hub */
+ FLAG_IPV6, /**< server understands P10 IPv6 addrs */
+ FLAG_SERVICE, /**< server is a service */
+ FLAG_GOTID, /**< successful ident lookup achieved */
+ FLAG_DOID, /**< I-lines say must use ident return */
+ FLAG_NONL, /**< No \n in buffer */
+ FLAG_TS8, /**< Why do you want to know? */
+ FLAG_MAP, /**< Show server on the map */
+ FLAG_JUNCTION, /**< Junction causing the net.burst. */
+ FLAG_BURST, /**< Server is receiving a net.burst */
+ FLAG_BURST_ACK, /**< Server is waiting for eob ack */
+ FLAG_IPCHECK, /**< Added or updated IPregistry data */
+ FLAG_LOCOP, /**< Local operator -- SRB */
+ FLAG_SERVNOTICE, /**< server notices such as kill */
+ FLAG_OPER, /**< Operator */
+ FLAG_INVISIBLE, /**< makes user invisible */
+ FLAG_WALLOP, /**< send wallops to them */
+ FLAG_DEAF, /**< Makes user deaf */
+ FLAG_CHSERV, /**< Disallow KICK or MODE -o on the user;
+ don't display channels in /whois */
+ FLAG_DEBUG, /**< send global debug/anti-hack info */
+ FLAG_ACCOUNT, /**< account name has been set */
+ FLAG_HIDDENHOST, /**< user's host is hidden */
+ FLAG_LAST_FLAG, /**< number of flags */
+ FLAG_LOCAL_UMODES = FLAG_LOCOP, /**< First local mode flag */
+ FLAG_GLOBAL_UMODES = FLAG_OPER /**< First global mode flag */
+ };
+
+/** Declare flagset type for operator privileges. */
+DECLARE_FLAGSET(Privs, PRIV_LAST_PRIV);
+/** Declare flagset type for user flags. */
+DECLARE_FLAGSET(Flags, FLAG_LAST_FLAG);
+
+#include "capab.h" /* client capabilities */
+
+/** Represents a local connection.
+ * This contains a lot of stuff irrelevant to server connections, but
+ * those are so rare as to not be worth special-casing.
+ */
+struct Connection
+{
+ unsigned long con_magic; /**< magic number */
+ struct Connection* con_next; /**< Next connection with queued data */
+ struct Connection** con_prev_p; /**< What points to us */
+ struct Client* con_client; /**< Client associated with connection */
+ unsigned int con_count; /**< Amount of data in buffer */
+ int con_freeflag; /**< indicates if connection can be freed */
+ int con_error; /**< last socket level error for client */
+ int con_sentalong; /**< sentalong marker for connection */
+ unsigned int con_snomask; /**< mask for server messages */
+ time_t con_nextnick; /**< Next time a nick change is allowed */
+ time_t con_nexttarget;/**< Next time a target change is allowed */
+ time_t con_lasttime; /**< Last time data read from socket */
+ time_t con_since; /**< Last time we accepted a command */
+ struct MsgQ con_sendQ; /**< Outgoing message queue */
+ struct DBuf con_recvQ; /**< Incoming data yet to be parsed */
+ unsigned int con_sendM; /**< Stats: protocol messages sent */
+ unsigned int con_receiveM; /**< Stats: protocol messages received */
+ uint64_t con_sendB; /**< Bytes sent. */
+ uint64_t con_receiveB; /**< Bytes received. */
+ struct Listener* con_listener; /**< Listening socket which we accepted
+ from. */
+ struct SLink* con_confs; /**< Associated configuration records. */
+ HandlerType con_handler; /**< Message index into command table
+ for parsing. */
+ struct ListingArgs* con_listing; /**< Current LIST status. */
+ unsigned int con_max_sendq; /**< cached max send queue for client */
+ unsigned int con_ping_freq; /**< cached ping freq */
+ unsigned short con_lastsq; /**< # 2k blocks when sendqueued
+ called last. */
+ unsigned char con_targets[MAXTARGETS]; /**< Hash values of
+ current targets. */
+ char con_sock_ip[SOCKIPLEN + 1]; /**< Remote IP address as a string. */
+ char con_sockhost[HOSTLEN + 1]; /**< This is the host name from
+ the socket and after which the
+ connection was accepted. */
+ char con_passwd[PASSWDLEN + 1]; /**< Password given by user. */
+ char con_buffer[BUFSIZE]; /**< Incoming message buffer; or
+ the error that caused this
+ clients socket to close. */
+ struct Socket con_socket; /**< socket descriptor for
+ client */
+ struct Timer con_proc; /**< process latent messages from
+ client */
+ struct Privs con_privs; /**< Oper privileges */
+ struct CapSet con_capab; /**< Client capabilities (from us) */
+ struct CapSet con_active; /**< Active capabilities (to us) */
+ struct AuthRequest* con_auth; /**< Auth request for client */
+};
+
+/** Magic constant to identify valid Connection structures. */
+#define CONNECTION_MAGIC 0x12f955f3
+
+/** Represents a client anywhere on the network. */
+struct Client {
+ unsigned long cli_magic; /**< magic number */
+ struct Client* cli_next; /**< link in GlobalClientList */
+ struct Client* cli_prev; /**< link in GlobalClientList */
+ struct Client* cli_hnext; /**< link in hash table bucket or this */
+ struct Connection* cli_connect; /**< Connection structure associated with us */
+ struct User* cli_user; /**< Defined if this client is a user */
+ struct Server* cli_serv; /**< Defined if this client is a server */
+ struct Whowas* cli_whowas; /**< Pointer to ww struct to be freed on quit */
+ char cli_yxx[4]; /**< Numeric Nick: YY if this is a
+ server, XXX if this is a user */
+ time_t cli_firsttime; /**< time client was created */
+ time_t cli_lastnick; /**< TimeStamp on nick */
+ int cli_marker; /**< /who processing marker */
+ struct Flags cli_flags; /**< client flags */
+ unsigned int cli_hopcount; /**< number of servers to this 0 = local */
+ struct irc_in_addr cli_ip; /**< Real IP of client */
+ short cli_status; /**< Client type */
+ char cli_name[HOSTLEN + 1]; /**< Unique name of the client, nick or host */
+ char cli_username[USERLEN + 1]; /**< Username determined by ident lookup */
+ char cli_info[REALLEN + 1]; /**< Free form additional client information */
+};
+
+/** Magic constant to identify valid Client structures. */
+#define CLIENT_MAGIC 0x4ca08286
+
+/** Verify that a client is valid. */
+#define cli_verify(cli) ((cli)->cli_magic == CLIENT_MAGIC)
+/** Get client's magic number. */
+#define cli_magic(cli) ((cli)->cli_magic)
+/** Get global next client. */
+#define cli_next(cli) ((cli)->cli_next)
+/** Get global previous client. */
+#define cli_prev(cli) ((cli)->cli_prev)
+/** Get next client in hash bucket chain. */
+#define cli_hnext(cli) ((cli)->cli_hnext)
+/** Get connection associated with client. */
+#define cli_connect(cli) ((cli)->cli_connect)
+/** Get local client that links us to \a cli. */
+#define cli_from(cli) con_client(cli_connect(cli))
+/** Get User structure for client, if client is a user. */
+#define cli_user(cli) ((cli)->cli_user)
+/** Get Server structure for client, if client is a server. */
+#define cli_serv(cli) ((cli)->cli_serv)
+/** Get Whowas link for client. */
+#define cli_whowas(cli) ((cli)->cli_whowas)
+/** Get client numnick. */
+#define cli_yxx(cli) ((cli)->cli_yxx)
+/** Get time we last read data from the client socket. */
+#define cli_lasttime(cli) con_lasttime(cli_connect(cli))
+/** Get time we last parsed something from the client. */
+#define cli_since(cli) con_since(cli_connect(cli))
+/** Get time client was created. */
+#define cli_firsttime(cli) ((cli)->cli_firsttime)
+/** Get time client last changed nickname. */
+#define cli_lastnick(cli) ((cli)->cli_lastnick)
+/** Get WHO marker for client. */
+#define cli_marker(cli) ((cli)->cli_marker)
+/** Get flags flagset for client. */
+#define cli_flags(cli) ((cli)->cli_flags)
+/** Get hop count to client. */
+#define cli_hopcount(cli) ((cli)->cli_hopcount)
+/** Get client IP address. */
+#define cli_ip(cli) ((cli)->cli_ip)
+/** Get status bitmask for client. */
+#define cli_status(cli) ((cli)->cli_status)
+/** Return non-zero if the client is local. */
+#define cli_local(cli) (cli_from(cli) == cli)
+/** Get oper privileges for client. */
+#define cli_privs(cli) con_privs(cli_connect(cli))
+/** Get client capabilities for client */
+#define cli_capab(cli) con_capab(cli_connect(cli))
+/** Get active client capabilities for client */
+#define cli_active(cli) con_active(cli_connect(cli))
+/** Get client name. */
+#define cli_name(cli) ((cli)->cli_name)
+/** Get client username (ident). */
+#define cli_username(cli) ((cli)->cli_username)
+/** Get client realname (information field). */
+#define cli_info(cli) ((cli)->cli_info)
+/** Get client account string. */
+#define cli_account(cli) (cli_user(cli) ? cli_user(cli)->account : "0")
+
+/** Get number of incoming bytes queued for client. */
+#define cli_count(cli) con_count(cli_connect(cli))
+/** Get file descriptor for sending in client's direction. */
+#define cli_fd(cli) con_fd(cli_connect(cli))
+/** Get free flags for the client's connection. */
+#define cli_freeflag(cli) con_freeflag(cli_connect(cli))
+/** Get last error code for the client's connection. */
+#define cli_error(cli) con_error(cli_connect(cli))
+/** Get server notice mask for the client. */
+#define cli_snomask(cli) con_snomask(cli_connect(cli))
+/** Get next time a nick change is allowed for the client. */
+#define cli_nextnick(cli) con_nextnick(cli_connect(cli))
+/** Get next time a target change is allowed for the client. */
+#define cli_nexttarget(cli) con_nexttarget(cli_connect(cli))
+/** Get SendQ for client. */
+#define cli_sendQ(cli) con_sendQ(cli_connect(cli))
+/** Get RecvQ for client. */
+#define cli_recvQ(cli) con_recvQ(cli_connect(cli))
+/** Get count of messages sent to client. */
+#define cli_sendM(cli) con_sendM(cli_connect(cli))
+/** Get number of messages received from client. */
+#define cli_receiveM(cli) con_receiveM(cli_connect(cli))
+/** Get number of bytes (modulo 1024) sent to client. */
+#define cli_sendB(cli) con_sendB(cli_connect(cli))
+/** Get number of bytes (modulo 1024) received from client. */
+#define cli_receiveB(cli) con_receiveB(cli_connect(cli))
+/** Get listener that accepted the client's connection. */
+#define cli_listener(cli) con_listener(cli_connect(cli))
+/** Get list of attached conf lines. */
+#define cli_confs(cli) con_confs(cli_connect(cli))
+/** Get handler type for client. */
+#define cli_handler(cli) con_handler(cli_connect(cli))
+/** Get LIST status for client. */
+#define cli_listing(cli) con_listing(cli_connect(cli))
+/** Get cached max SendQ for client. */
+#define cli_max_sendq(cli) con_max_sendq(cli_connect(cli))
+/** Get ping frequency for client. */
+#define cli_ping_freq(cli) con_ping_freq(cli_connect(cli))
+/** Get lastsq for client's connection. */
+#define cli_lastsq(cli) con_lastsq(cli_connect(cli))
+/** Get the array of current targets for the client. */
+#define cli_targets(cli) con_targets(cli_connect(cli))
+/** Get the string form of the client's IP address. */
+#define cli_sock_ip(cli) con_sock_ip(cli_connect(cli))
+/** Get the resolved hostname for the client. */
+#define cli_sockhost(cli) con_sockhost(cli_connect(cli))
+/** Get the client's password. */
+#define cli_passwd(cli) con_passwd(cli_connect(cli))
+/** Get the unprocessed input buffer for a client's connection. */
+#define cli_buffer(cli) con_buffer(cli_connect(cli))
+/** Get the Socket structure for sending to a client. */
+#define cli_socket(cli) con_socket(cli_connect(cli))
+/** Get Timer for processing waiting messages from the client. */
+#define cli_proc(cli) con_proc(cli_connect(cli))
+/** Get auth request for client. */
+#define cli_auth(cli) con_auth(cli_connect(cli))
+/** Get sentalong marker for client. */
+#define cli_sentalong(cli) con_sentalong(cli_connect(cli))
+
+/** Verify that a connection is valid. */
+#define con_verify(con) ((con)->con_magic == CONNECTION_MAGIC)
+/** Get connection's magic number. */
+#define con_magic(con) ((con)->con_magic)
+/** Get global next connection. */
+#define con_next(con) ((con)->con_next)
+/** Get global previous connection. */
+#define con_prev_p(con) ((con)->con_prev_p)
+/** Get locally connected client for connection. */
+#define con_client(con) ((con)->con_client)
+/** Get number of unprocessed data bytes from connection. */
+#define con_count(con) ((con)->con_count)
+/** Get file descriptor for connection. */
+#define con_fd(con) s_fd(&(con)->con_socket)
+/** Get freeable flags for connection. */
+#define con_freeflag(con) ((con)->con_freeflag)
+/** Get last error code on connection. */
+#define con_error(con) ((con)->con_error)
+/** Get sentalong marker for connection. */
+#define con_sentalong(con) ((con)->con_sentalong)
+/** Get server notice mask for connection. */
+#define con_snomask(con) ((con)->con_snomask)
+/** Get next nick change time for connection. */
+#define con_nextnick(con) ((con)->con_nextnick)
+/** Get next new target time for connection. */
+#define con_nexttarget(con) ((con)->con_nexttarget)
+/** Get last time we read from the connection. */
+#define con_lasttime(con) ((con)->con_lasttime)
+/** Get last time we accepted a command from the connection. */
+#define con_since(con) ((con)->con_since)
+/** Get SendQ for connection. */
+#define con_sendQ(con) ((con)->con_sendQ)
+/** Get RecvQ for connection. */
+#define con_recvQ(con) ((con)->con_recvQ)
+/** Get number of messages sent to connection. */
+#define con_sendM(con) ((con)->con_sendM)
+/** Get number of messages received from connection. */
+#define con_receiveM(con) ((con)->con_receiveM)
+/** Get number of bytes (modulo 1024) sent to connection. */
+#define con_sendB(con) ((con)->con_sendB)
+/** Get number of bytes (modulo 1024) received from connection. */
+#define con_receiveB(con) ((con)->con_receiveB)
+/** Get listener that accepted the connection. */
+#define con_listener(con) ((con)->con_listener)
+/** Get list of ConfItems attached to the connection. */
+#define con_confs(con) ((con)->con_confs)
+/** Get command handler for the connection. */
+#define con_handler(con) ((con)->con_handler)
+/** Get the LIST status for the connection. */
+#define con_listing(con) ((con)->con_listing)
+/** Get the maximum permitted SendQ size for the connection. */
+#define con_max_sendq(con) ((con)->con_max_sendq)
+/** Get the ping frequency for the connection. */
+#define con_ping_freq(con) ((con)->con_ping_freq)
+/** Get the lastsq for the connection. */
+#define con_lastsq(con) ((con)->con_lastsq)
+/** Get the current targets array for the connection. */
+#define con_targets(con) ((con)->con_targets)
+/** Get the string-formatted IP address for the connection. */
+#define con_sock_ip(con) ((con)->con_sock_ip)
+/** Get the resolved hostname for the connection. */
+#define con_sockhost(con) ((con)->con_sockhost)
+/** Get the password sent by the remote end of the connection. */
+#define con_passwd(con) ((con)->con_passwd)
+/** Get the buffer of unprocessed incoming data from the connection. */
+#define con_buffer(con) ((con)->con_buffer)
+/** Get the Socket for the connection. */
+#define con_socket(con) ((con)->con_socket)
+/** Get the Timer for processing more data from the connection. */
+#define con_proc(con) ((con)->con_proc)
+/** Get the oper privilege set for the connection. */
+#define con_privs(con) (&(con)->con_privs)
+/** Get the peer's capabilities for the connection. */
+#define con_capab(con) (&(con)->con_capab)
+/** Get the active capabilities for the connection. */
+#define con_active(con) (&(con)->con_active)
+/** Get the auth request for the connection. */
+#define con_auth(con) ((con)->con_auth)
+
+#define STAT_CONNECTING 0x001 /**< connecting to another server */
+#define STAT_HANDSHAKE 0x002 /**< pass - server sent */
+#define STAT_ME 0x004 /**< this server */
+#define STAT_UNKNOWN 0x008 /**< unidentified connection */
+#define STAT_UNKNOWN_USER 0x010 /**< connection on a client port */
+#define STAT_UNKNOWN_SERVER 0x020 /**< connection on a server port */
+#define STAT_SERVER 0x040 /**< fully registered server */
+#define STAT_USER 0x080 /**< fully registered user */
+
+/*
+ * status macros.
+ */
+/** Return non-zero if the client is registered. */
+#define IsRegistered(x) (cli_status(x) & (STAT_SERVER | STAT_USER))
+/** Return non-zero if the client is an outbound connection that is
+ * still connecting. */
+#define IsConnecting(x) (cli_status(x) == STAT_CONNECTING)
+/** Return non-zero if the client is an outbound connection that has
+ * sent our password. */
+#define IsHandshake(x) (cli_status(x) == STAT_HANDSHAKE)
+/** Return non-zero if the client is this server. */
+#define IsMe(x) (cli_status(x) == STAT_ME)
+/** Return non-zero if the client has not yet registered. */
+#define IsUnknown(x) (cli_status(x) & \
+ (STAT_UNKNOWN | STAT_UNKNOWN_USER | STAT_UNKNOWN_SERVER))
+/** Return non-zero if the client is an unregistered connection on a
+ * server port. */
+#define IsServerPort(x) (cli_status(x) == STAT_UNKNOWN_SERVER )
+/** Return non-zero if the client is an unregistered connection on a
+ * user port. */
+#define IsUserPort(x) (cli_status(x) == STAT_UNKNOWN_USER )
+/** Return non-zero if the client is a real client connection. */
+#define IsClient(x) (cli_status(x) & \
+ (STAT_HANDSHAKE | STAT_ME | STAT_UNKNOWN |\
+ STAT_UNKNOWN_USER | STAT_UNKNOWN_SERVER | STAT_SERVER | STAT_USER))
+/** Return non-zero if the client ignores flood limits. */
+#define IsTrusted(x) (cli_status(x) & \
+ (STAT_CONNECTING | STAT_HANDSHAKE | STAT_ME | STAT_SERVER))
+/** Return non-zero if the client is a registered server. */
+#define IsServer(x) (cli_status(x) == STAT_SERVER)
+/** Return non-zero if the client is a registered user. */
+#define IsUser(x) (cli_status(x) == STAT_USER)
+
+
+/** Mark a client with STAT_CONNECTING. */
+#define SetConnecting(x) (cli_status(x) = STAT_CONNECTING)
+/** Mark a client with STAT_HANDSHAKE. */
+#define SetHandshake(x) (cli_status(x) = STAT_HANDSHAKE)
+/** Mark a client with STAT_SERVER. */
+#define SetServer(x) (cli_status(x) = STAT_SERVER)
+/** Mark a client with STAT_ME. */
+#define SetMe(x) (cli_status(x) = STAT_ME)
+/** Mark a client with STAT_USER. */
+#define SetUser(x) (cli_status(x) = STAT_USER)
+
+/** Return non-zero if a client is directly connected to me. */
+#define MyConnect(x) (cli_from(x) == (x))
+/** Return non-zero if a client is a locally connected user. */
+#define MyUser(x) (MyConnect(x) && IsUser(x))
+/** Return non-zero if a client is a locally connected IRC operator. */
+#define MyOper(x) (MyConnect(x) && IsOper(x))
+/** Return protocol version used by a server. */
+#define Protocol(x) ((cli_serv(x))->prot)
+
+/*
+ * flags macros
+ */
+/** Set a flag in a client's flags. */
+#define SetFlag(cli, flag) FlagSet(&cli_flags(cli), flag)
+/** Clear a flag from a client's flags. */
+#define ClrFlag(cli, flag) FlagClr(&cli_flags(cli), flag)
+/** Return non-zero if a flag is set in a client's flags. */
+#define HasFlag(cli, flag) FlagHas(&cli_flags(cli), flag)
+
+/** Return non-zero if the client is an IRC operator (global or local). */
+#define IsAnOper(x) (IsOper(x) || IsLocOp(x))
+/** Return non-zero if the client's connection is blocked. */
+#define IsBlocked(x) HasFlag(x, FLAG_BLOCKED)
+/** Return non-zero if the client's connection is still being burst. */
+#define IsBurst(x) HasFlag(x, FLAG_BURST)
+/** Return non-zero if we have received the peer's entire burst but
+ * not their EOB ack. */
+#define IsBurstAck(x) HasFlag(x, FLAG_BURST_ACK)
+/** Return non-zero if we are still bursting to the client. */
+#define IsBurstOrBurstAck(x) (HasFlag(x, FLAG_BURST) || HasFlag(x, FLAG_BURST_ACK))
+/** Return non-zero if the client has set mode +k (channel service). */
+#define IsChannelService(x) HasFlag(x, FLAG_CHSERV)
+/** Return non-zero if the client's socket is disconnected. */
+#define IsDead(x) HasFlag(x, FLAG_DEADSOCKET)
+/** Return non-zero if the client has set mode +d (deaf). */
+#define IsDeaf(x) HasFlag(x, FLAG_DEAF)
+/** Return non-zero if the client has been IP-checked for clones. */
+#define IsIPChecked(x) HasFlag(x, FLAG_IPCHECK)
+/** Return non-zero if we have received an ident response for the client. */
+#define IsIdented(x) HasFlag(x, FLAG_GOTID)
+/** Return non-zero if the client has set mode +i (invisible). */
+#define IsInvisible(x) HasFlag(x, FLAG_INVISIBLE)
+/** Return non-zero if the client caused a net.burst. */
+#define IsJunction(x) HasFlag(x, FLAG_JUNCTION)
+/** Return non-zero if the client has set mode +O (local operator) locally. */
+#define IsLocOp(x) (MyConnect(x) && HasFlag(x, FLAG_LOCOP))
+/** Return non-zero if the client has set mode +o (global operator). */
+#define IsOper(x) HasFlag(x, FLAG_OPER)
+/** Return non-zero if the client has an active UDP ping request. */
+#define IsUPing(x) HasFlag(x, FLAG_UPING)
+/** Return non-zero if the client has no '\n' in its buffer. */
+#define NoNewLine(x) HasFlag(x, FLAG_NONL)
+/** Return non-zero if the client has set mode +g (debugging). */
+#define SendDebug(x) HasFlag(x, FLAG_DEBUG)
+/** Return non-zero if the client has set mode +s (server notices). */
+#define SendServNotice(x) HasFlag(x, FLAG_SERVNOTICE)
+/** Return non-zero if the client has set mode +w (wallops). */
+#define SendWallops(x) HasFlag(x, FLAG_WALLOP)
+/** Return non-zero if the client claims to be a hub. */
+#define IsHub(x) HasFlag(x, FLAG_HUB)
+/** Return non-zero if the client understands IPv6 addresses in P10. */
+#define IsIPv6(x) HasFlag(x, FLAG_IPV6)
+/** Return non-zero if the client claims to be a services server. */
+#define IsService(x) HasFlag(x, FLAG_SERVICE)
+/** Return non-zero if the client has an account stamp. */
+#define IsAccount(x) HasFlag(x, FLAG_ACCOUNT)
+/** Return non-zero if the client has set mode +x (hidden host). */
+#define IsHiddenHost(x) HasFlag(x, FLAG_HIDDENHOST)
+/** Return non-zero if the client has an active PING request. */
+#define IsPingSent(x) HasFlag(x, FLAG_PINGSENT)
+
+/** Return non-zero if the client has operator or server privileges. */
+#define IsPrivileged(x) (IsAnOper(x) || IsServer(x))
+/** Return non-zero if the client's host is hidden. */
+#define HasHiddenHost(x) (IsHiddenHost(x) && IsAccount(x))
+
+/** Mark a client as having an in-progress net.burst. */
+#define SetBurst(x) SetFlag(x, FLAG_BURST)
+/** Mark a client as being between EOB and EOB ACK. */
+#define SetBurstAck(x) SetFlag(x, FLAG_BURST_ACK)
+/** Mark a client as having mode +k (channel service). */
+#define SetChannelService(x) SetFlag(x, FLAG_CHSERV)
+/** Mark a client as having mode +d (deaf). */
+#define SetDeaf(x) SetFlag(x, FLAG_DEAF)
+/** Mark a client as having mode +g (debugging). */
+#define SetDebug(x) SetFlag(x, FLAG_DEBUG)
+/** Mark a client as having ident looked up. */
+#define SetGotId(x) SetFlag(x, FLAG_GOTID)
+/** Mark a client as being IP-checked. */
+#define SetIPChecked(x) SetFlag(x, FLAG_IPCHECK)
+/** Mark a client as having mode +i (invisible). */
+#define SetInvisible(x) SetFlag(x, FLAG_INVISIBLE)
+/** Mark a client as causing a net.join. */
+#define SetJunction(x) SetFlag(x, FLAG_JUNCTION)
+/** Mark a client as having mode +O (local operator). */
+#define SetLocOp(x) SetFlag(x, FLAG_LOCOP)
+/** Mark a client as having mode +o (global operator). */
+#define SetOper(x) SetFlag(x, FLAG_OPER)
+/** Mark a client as having a pending UDP ping. */
+#define SetUPing(x) SetFlag(x, FLAG_UPING)
+/** Mark a client as having mode +w (wallops). */
+#define SetWallops(x) SetFlag(x, FLAG_WALLOP)
+/** Mark a client as having mode +s (server notices). */
+#define SetServNotice(x) SetFlag(x, FLAG_SERVNOTICE)
+/** Mark a client as being a hub server. */
+#define SetHub(x) SetFlag(x, FLAG_HUB)
+/** Mark a client as being an IPv6-grokking server. */
+#define SetIPv6(x) SetFlag(x, FLAG_IPV6)
+/** Mark a client as being a services server. */
+#define SetService(x) SetFlag(x, FLAG_SERVICE)
+/** Mark a client as having an account stamp. */
+#define SetAccount(x) SetFlag(x, FLAG_ACCOUNT)
+/** Mark a client as having mode +x (hidden host). */
+#define SetHiddenHost(x) SetFlag(x, FLAG_HIDDENHOST)
+/** Mark a client as having a pending PING. */
+#define SetPingSent(x) SetFlag(x, FLAG_PINGSENT)
+
+/** Return non-zero if \a sptr sees \a acptr as an operator. */
+#define SeeOper(sptr,acptr) (IsAnOper(acptr) && (HasPriv(acptr, PRIV_DISPLAY) \
+ || HasPriv(sptr, PRIV_SEE_OPERS)))
+
+/** Clear the client's net.burst in-progress flag. */
+#define ClearBurst(x) ClrFlag(x, FLAG_BURST)
+/** Clear the client's between EOB and EOB ACK flag. */
+#define ClearBurstAck(x) ClrFlag(x, FLAG_BURST_ACK)
+/** Remove mode +k (channel service) from the client. */
+#define ClearChannelService(x) ClrFlag(x, FLAG_CHSERV)
+/** Remove mode +d (deaf) from the client. */
+#define ClearDeaf(x) ClrFlag(x, FLAG_DEAF)
+/** Remove mode +g (debugging) from the client. */
+#define ClearDebug(x) ClrFlag(x, FLAG_DEBUG)
+/** Remove the client's IP-checked flag. */
+#define ClearIPChecked(x) ClrFlag(x, FLAG_IPCHECK)
+/** Remove mode +i (invisible) from the client. */
+#define ClearInvisible(x) ClrFlag(x, FLAG_INVISIBLE)
+/** Remove mode +O (local operator) from the client. */
+#define ClearLocOp(x) ClrFlag(x, FLAG_LOCOP)
+/** Remove mode +o (global operator) from the client. */
+#define ClearOper(x) ClrFlag(x, FLAG_OPER)
+/** Clear the client's pending UDP ping flag. */
+#define ClearUPing(x) ClrFlag(x, FLAG_UPING)
+/** Remove mode +w (wallops) from the client. */
+#define ClearWallops(x) ClrFlag(x, FLAG_WALLOP)
+/** Remove mode +s (server notices) from the client. */
+#define ClearServNotice(x) ClrFlag(x, FLAG_SERVNOTICE)
+/** Remove mode +x (hidden host) from the client. */
+#define ClearHiddenHost(x) ClrFlag(x, FLAG_HIDDENHOST)
+/** Clear the client's pending PING flag. */
+#define ClearPingSent(x) ClrFlag(x, FLAG_PINGSENT)
+/** Clear the client's HUB flag. */
+#define ClearHub(x) ClrFlag(x, FLAG_HUB)
+
+/* free flags */
+#define FREEFLAG_SOCKET 0x0001 /**< socket needs to be freed */
+#define FREEFLAG_TIMER 0x0002 /**< timer needs to be freed */
+
+/* server notice stuff */
+
+#define SNO_ADD 1 /**< Perform "or" on server notice mask. */
+#define SNO_DEL 2 /**< Perform "and ~x" on server notice mask. */
+#define SNO_SET 3 /**< Set server notice mask. */
+ /* DON'T CHANGE THESE VALUES ! */
+ /* THE CLIENTS DEPEND ON IT ! */
+#define SNO_OLDSNO 0x1 /**< unsorted old messages */
+#define SNO_SERVKILL 0x2 /**< server kills (nick collisions) */
+#define SNO_OPERKILL 0x4 /**< oper kills */
+#define SNO_HACK2 0x8 /**< desyncs */
+#define SNO_HACK3 0x10 /**< temporary desyncs */
+#define SNO_UNAUTH 0x20 /**< unauthorized connections */
+#define SNO_TCPCOMMON 0x40 /**< common TCP or socket errors */
+#define SNO_TOOMANY 0x80 /**< too many connections */
+#define SNO_HACK4 0x100 /**< Uworld actions on channels */
+#define SNO_GLINE 0x200 /**< glines */
+#define SNO_NETWORK 0x400 /**< net join/break, etc */
+#define SNO_IPMISMATCH 0x800 /**< IP mismatches */
+#define SNO_THROTTLE 0x1000 /**< host throttle add/remove notices */
+#define SNO_OLDREALOP 0x2000 /**< old oper-only messages */
+#define SNO_CONNEXIT 0x4000 /**< client connect/exit (ugh) */
+#define SNO_AUTO 0x8000 /**< AUTO G-Lines */
+#define SNO_DEBUG 0x10000 /**< debugging messages (DEBUGMODE only) */
+#define SNO_AUTH 0x20000 /**< IAuth notices */
+
+/** Bitmask of all valid server notice bits. */
+#ifdef DEBUGMODE
+# define SNO_ALL 0x3ffff
+#else
+# define SNO_ALL 0x2ffff
+#endif
+
+/** Server notice bits allowed to normal users. */
+#define SNO_USER (SNO_ALL & ~SNO_OPER)
+
+/** Server notice bits enabled by default for normal users. */
+#define SNO_DEFAULT (SNO_NETWORK|SNO_OPERKILL|SNO_GLINE)
+/** Server notice bits enabled by default for IRC operators. */
+#define SNO_OPERDEFAULT (SNO_DEFAULT|SNO_HACK2|SNO_HACK4|SNO_THROTTLE|SNO_OLDSNO)
+/** Server notice bits reserved to IRC operators. */
+#define SNO_OPER (SNO_CONNEXIT|SNO_OLDREALOP|SNO_AUTH)
+/** Noisy server notice bits that cause other bits to be cleared during connect. */
+#define SNO_NOISY (SNO_SERVKILL|SNO_UNAUTH)
+
+/** Test whether a privilege has been granted to a client. */
+#define HasPriv(cli, priv) FlagHas(cli_privs(cli), priv)
+/** Grant a privilege to a client. */
+#define SetPriv(cli, priv) FlagSet(cli_privs(cli), priv)
+/** Revoke a privilege from a client. */
+#define ClrPriv(cli, priv) FlagClr(cli_privs(cli), priv)
+
+/** Test whether a client has a capability */
+#define HasCap(cli, cap) CapHas(cli_capab(cli), (cap))
+/** Test whether a client has the capability active */
+#define CapActive(cli, cap) CapHas(cli_active(cli), (cap))
+
+#define HIDE_IP 0 /**< Do not show IP address in get_client_name() */
+#define SHOW_IP 1 /**< Show ident and IP address in get_client_name() */
+
+extern const char* get_client_name(const struct Client* sptr, int showip);
+extern const char* client_get_default_umode(const struct Client* sptr);
+extern int client_get_ping(const struct Client* local_client);
+extern void client_drop_sendq(struct Connection* con);
+extern void client_add_sendq(struct Connection* con,
+ struct Connection** con_p);
+extern void client_set_privs(struct Client *client, struct ConfItem *oper);
+extern int client_report_privs(struct Client* to, struct Client* client);
+
+#endif /* INCLUDED_client_h */
+
projects / ircu2.10.12-pk.git / blobdiff