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root/svn/ircd-hybrid/trunk/include/client.h

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ircd-hybrid-8/include/client.h (file contents), Revision 1159 by michael, Wed Aug 10 21:08:18 2011 UTC vs.
ircd-hybrid/trunk/include/client.h (file contents), Revision 6325 by michael, Sat Aug 8 17:54:22 2015 UTC

#	Line 1 | Line 1
1		/*
2	<	*  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3	<	*  client.h: The ircd client header.
2	>	*  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3		*
4	<	*  Copyright (C) 2002 by the past and present ircd coders, and others.
4	>	*  Copyright (c) 1997-2015 ircd-hybrid development team
5		*
6		*  This program is free software; you can redistribute it and/or modify
7		*  it under the terms of the GNU General Public License as published by
#	Line 16 | Line 15
15		*
16		*  You should have received a copy of the GNU General Public License
17		*  along with this program; if not, write to the Free Software
18	<	*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
18	>	*  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19		*  USA
21	–	*
22	–	*  $Id$
20		*/
21
22	+	/*! \file client.h
23	+	* \brief Header including structures, macros and prototypes for client handling
24	+	* \version $Id$
25	+	*/
26	+
27	+
28		#ifndef INCLUDED_client_h
29		#define INCLUDED_client_h
30
#	Line 29 | Line 32
32		#include "fdlist.h"
33		#include "config.h"
34		#include "ircd_defs.h"
32	–	#include "ircd_handler.h"
35		#include "dbuf.h"
36		#include "channel.h"
37	<	#include "irc_res.h"
37	>	#include "auth.h"
38
39	<	#define HOSTIPLEN       53 /* sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255.ipv6") */
38	<	#define PASSWDLEN       20
39	<	#define CIPHERKEYLEN    64 /* 512bit */
40	<	#define IDLEN           12 /* this is the maximum length, not the actual
41	<	generated length; DO NOT CHANGE! */
39	>	struct MaskItem;
40
41		/*
42	<	* pre declare structs
42	>	* status macros.
43		*/
44	<	struct AccessItem;
47	<	struct Whowas;
48	<	struct Listener;
49	<	struct Client;
50	<	struct LocalUser;
51	<
52	<
53	<	struct Server
54	<	{
55	<	struct ConfItem *sconf; /* ConfItem connect{} pointer for this server */
56	<	dlink_list server_list; /* Servers on this server            */
57	<	dlink_list client_list; /* Clients on this server            */
58	<	char by[NICKLEN];       /* who activated this connection     */
59	<	};
60	<
61	<	struct SlinkRpl
62	<	{
63	<	int command;
64	<	int datalen;
65	<	int gotdatalen;
66	<	int readdata;
67	<	unsigned char *data;
68	<	};
69	<
70	<	struct ZipStats
44	>	enum
45		{
46	<	uint64_t in;
47	<	uint64_t in_wire;
48	<	uint64_t out;
49	<	uint64_t out_wire;
50	<	double in_ratio;
51	<	double out_ratio;
46	>	STAT_CONNECTING = 0x00000001U,
47	>	STAT_HANDSHAKE  = 0x00000002U,
48	>	STAT_ME         = 0x00000004U,
49	>	STAT_UNKNOWN    = 0x00000008U,
50	>	STAT_SERVER     = 0x00000010U,
51	>	STAT_CLIENT     = 0x00000020U
52		};
53
54	<	struct ListTask
54	>	enum
55		{
56	<	unsigned int hash_index; /* the bucket we are currently in */
57	<	dlink_list show_mask; /* show these channels..          */
58	<	dlink_list hide_mask; /* ..and hide these ones          */
59	<	unsigned int users_min, users_max;
86	<	unsigned int created_min, created_max;
87	<	unsigned int topicts_min, topicts_max;
56	>	REG_NEED_USER = 0x00000001U,  /**< User must send USER command */
57	>	REG_NEED_NICK = 0x00000002U,  /**< User must send NICK command */
58	>	REG_NEED_CAP  = 0x00000004U,  /**< In middle of CAP negotiations */
59	>	REG_INIT      = REG_NEED_USER | REG_NEED_NICK
60		};
61
62	<	struct Client
91	<	{
92	<	dlink_node node;
93	<	dlink_node lnode;             /* Used for Server->servers/users */
94	<
95	<	struct LocalUser *localClient;
96	<	struct Client    *hnext;              /* For client hash table lookups by name */
97	<	struct Client    *idhnext;    /* For SID hash table lookups by sid */
98	<	struct Server    *serv;       /* ...defined, if this is a server */
99	<	struct Client    *servptr;    /* Points to server this Client is on */
100	<	struct Client    *from;       /* == self, if Local Client, *NEVER* NULL! */
101	<	struct Whowas    *whowas;     /* Pointers to whowas structs */
102	<	char             *away;
103	<
104	<	time_t            lasttime;   /* ...should be only LOCAL clients? --msa */
105	<	time_t            firsttime;  /* time client was created */
106	<	time_t            since;      /* last time we parsed something */
107	<	time_t            tsinfo;     /* TS on the nick, SVINFO on server */
108	<	time_t            servicestamp;
109	<	uint64_t          flags;      /* client flags */
110	<
111	<	unsigned int      umodes;     /* opers, normal users subset */
112	<	unsigned int      hopcount;   /* number of servers to this 0 = local */
113	<	unsigned int      status;     /* Client type */
114	<	unsigned int      handler;    /* Handler index */
115	<
116	<	dlink_list        channel;   /* chain of channel pointer blocks */
117	<
118	<	/*
119	<	* client->name is the unique name for a client nick or host
120	<	*/
121	<	char name[HOSTLEN + 1];
122	<	char id[IDLEN + 1];       /* client ID, unique ID per client */
123	<
124	<	/*
125	<	* client->username is the username from ident or the USER message,
126	<	* If the client is idented the USER message is ignored, otherwise
127	<	* the username part of the USER message is put here prefixed with a
128	<	* tilde depending on the I:line, Once a client has registered, this
129	<	* field should be considered read-only.
130	<	*/
131	<	char              username[USERLEN + 1]; /* client's username */
132	<
133	<	/*
134	<	* client->host contains the resolved name or ip address
135	<	* as a string for the user, it may be fiddled with for oper spoofing etc.
136	<	* once it's changed the *real* address goes away. This should be
137	<	* considered a read-only field after the client has registered.
138	<	*/
139	<	char              host[HOSTLEN + 1];     /* client's hostname */
140	<
141	<	/*
142	<	* client->info for unix clients will normally contain the info from the
143	<	* gcos field in /etc/passwd but anything can go here.
144	<	*/
145	<	char              info[REALLEN + 1]; /* Free form additional client info */
146	<
147	<	/*
148	<	* client->sockhost contains the ip address gotten from the socket as a
149	<	* string, this field should be considered read-only once the connection
150	<	* has been made. (set in s_bsd.c only)
151	<	*/
152	<	char              sockhost[HOSTIPLEN + 1]; /* This is the host name from the
153	<	socket ip address as string */
154	<	};
62	>	#define ID_or_name(x,client_p)  ((IsServer(client_p->from) && (x)->id[0]) ? (x)->id : (x)->name)
63
156	–	struct LocalUser
157	–	{
158	–	/*
159	–	* The following fields are allocated only for local clients
160	–	* (directly connected to *this* server with a socket.
161	–	*/
162	–	dlink_node   lclient_node;
163	–
164	–	char         client_host[HOSTLEN + 1];
165	–	char         client_server[HOSTLEN + 1];
166	–
167	–	unsigned int registration;
168	–	unsigned int cap_client;    /* Client capabilities (from us) */
169	–	unsigned int cap_active;    /* Active capabilities (to us) */
170	–
171	–	unsigned int operflags;     /* oper priv flags */
172	–	unsigned int random_ping;
173	–
174	–	unsigned int serial;     /* used to enforce 1 send per nick */
175	–
176	–	/* Anti flooding part, all because of lamers... */
177	–	time_t       last_knock;    /* time of last knock */
178	–	time_t       last_away; /* Away since... */
179	–	time_t       last_join_time;   /* when this client last
180	–	joined a channel */
181	–	time_t       last_leave_time;  /* when this client last
182	–	* left a channel */
183	–	int          join_leave_count; /* count of JOIN/LEAVE in less than
184	–	MIN_JOIN_LEAVE_TIME seconds */
185	–	int          oper_warn_count_down; /* warn opers of this possible
186	–	spambot every time this gets to 0 */
187	–	time_t       reject_delay;
188	–	time_t       last_caller_id_time;
189	–	time_t       first_received_message_time;
190	–	time_t       last_nick_change;
191	–
192	–	int          received_number_of_privmsgs;
193	–	unsigned int number_of_nick_changes;
194	–
195	–	struct ListTask  *list_task;
196	–	/* Send and receive dbufs .. */
197	–	struct dbuf_queue buf_sendq;
198	–	struct dbuf_queue buf_recvq;
199	–
200	–	struct {
201	–	unsigned int messages;      /* Statistics: protocol messages sent/received */
202	–	uint64_t bytes;             /* Statistics: total bytes sent/received */
203	–	} recv, send;
204	–
205	–	struct AuthRequest *auth;
206	–	struct Listener *listener;   /* listener accepted from */
207	–	dlink_list        acceptlist; /* clients I'll allow to talk to me */
208	–	dlink_list        watches;   /* chain of Watch pointer blocks */
209	–	dlink_list        confs;     /* Configuration record associated */
210	–	dlink_list        invited;   /* chain of invite pointer blocks */
211	–	struct irc_ssaddr ip;
212	–	int               aftype;     /* Makes life easier for DNS res in IPV6 */
213	–	time_t last; /* Last time we got a PRIVMSG */
214	–
215	–	char              *passwd;
216	–	unsigned int       caps;       /* capabilities bit-field */
217	–	unsigned int       enc_caps;   /* cipher capabilities bit-field */
218	–
219	–	#ifdef HAVE_LIBCRYPTO
220	–	struct EncCapability *in_cipher;
221	–	struct EncCapability *out_cipher;
222	–
223	–	char              in_key[CIPHERKEYLEN];
224	–	char              out_key[CIPHERKEYLEN];
225	–	#endif
226	–
227	–	fde_t             fd;
228	–	fde_t             ctrlfd;     /* For servers: control fd used for sending commands
229	–	to servlink */
230	–
231	–	struct SlinkRpl  slinkrpl;    /* slink reply being parsed */
232	–	char    *slinkq;              /* sendq for control data */
233	–	int              slinkq_ofs;  /* ofset into slinkq */
234	–	int              slinkq_len;  /* length remaining after slinkq_ofs */
235	–
236	–	struct ZipStats  zipstats;
237	–
238	–	/* Anti-flood stuff. We track how many messages were parsed and how
239	–	* many we were allowed in the current second, and apply a simple
240	–	* decay to avoid flooding.
241	–	*   -- adrian
242	–	*/
243	–	int allow_read;       /* how many we're allowed to read in this second */
244	–	int sent_parsed;      /* how many messages we've parsed in this second */
245	–
246	–	char*          response;  /* expected response from client */
247	–	char*          auth_oper; /* Operator to become if they supply the response.*/
248	–	};
249	–
250	–	/*
251	–	* status macros.
252	–	*/
253	–	#define STAT_CONNECTING         0x01
254	–	#define STAT_HANDSHAKE          0x02
255	–	#define STAT_ME                 0x04
256	–	#define STAT_UNKNOWN            0x08
257	–	#define STAT_SERVER             0x10
258	–	#define STAT_CLIENT             0x20
259	–
260	–	#define REG_NEED_USER 0x1
261	–	#define REG_NEED_NICK 0x2
262	–	#define REG_NEED_CAP  0x4
263	–	#define REG_INIT (REG_NEED_USER|REG_NEED_NICK)
264	–
265	–	#define HasID(x)                ((x)->id[0] != '\0')
266	–	#define ID(x)                   (HasID(x) ? (x)->id : (x)->name)
267	–	#define ID_or_name(x,client_p)  ((IsCapable(client_p, CAP_TS6) && HasID(x)) ? (x)->id : (x)->name)
268	–
269	–	#define IsRegistered(x)         ((x)->status  > STAT_UNKNOWN)
64		#define IsConnecting(x)         ((x)->status == STAT_CONNECTING)
65		#define IsHandshake(x)          ((x)->status == STAT_HANDSHAKE)
66		#define IsMe(x)                 ((x)->status == STAT_ME)
#	Line 274 | Line 68 | struct LocalUser
68		#define IsServer(x)             ((x)->status == STAT_SERVER)
69		#define IsClient(x)             ((x)->status == STAT_CLIENT)
70
277	–	#define IsOper(x)               ((x)->umodes & UMODE_OPER)
278	–	#define IsAdmin(x)              ((x)->umodes & UMODE_ADMIN)
279	–
71		#define SetConnecting(x)        {(x)->status = STAT_CONNECTING; \
72	<	(x)->handler = UNREGISTERED_HANDLER; }
72	>	(x)->handler = UNREGISTERED_HANDLER; }
73
74		#define SetHandshake(x)         {(x)->status = STAT_HANDSHAKE; \
75	<	(x)->handler = UNREGISTERED_HANDLER; }
75	>	(x)->handler = UNREGISTERED_HANDLER; }
76
77		#define SetMe(x)                {(x)->status = STAT_ME; \
78	<	(x)->handler = UNREGISTERED_HANDLER; }
78	>	(x)->handler = UNREGISTERED_HANDLER; }
79
80		#define SetUnknown(x)           {(x)->status = STAT_UNKNOWN; \
81	<	(x)->handler = UNREGISTERED_HANDLER; }
81	>	(x)->handler = UNREGISTERED_HANDLER; }
82
83		#define SetServer(x)            {(x)->status = STAT_SERVER; \
84	<	(x)->handler = SERVER_HANDLER; }
84	>	(x)->handler = SERVER_HANDLER; }
85
86		#define SetClient(x)            {(x)->status = STAT_CLIENT; \
87	<	(x)->handler = IsOper((x)) ? \
88	<	OPER_HANDLER : CLIENT_HANDLER; }
87	>	(x)->handler = HasUMode(x, UMODE_OPER) ? \
88	>	OPER_HANDLER : CLIENT_HANDLER; }
89
90	<	#define SetEob(x)               ((x)->flags |= FLAGS_EOB)
91	<	#define HasSentEob(x)           ((x)->flags & FLAGS_EOB)
90	>	#define MyConnect(x)            ((x)->connection != NULL)
91	>	#define MyClient(x)             (MyConnect(x) && IsClient(x))
92
93		/*
94		* ts stuff
95		*/
96	<	#define TS_CURRENT      6       /* current TS protocol version */
97	<	#define TS_MIN          5       /* minimum supported TS protocol version */
98	<	#define TS_DOESTS       0x20000000
99	<	#define DoesTS(x)       ((x)->tsinfo == TS_DOESTS)
100	<
96	>	enum
97	>	{
98	>	TS_CURRENT = 6,  /**< Current TS protocol version */
99	>	TS_MIN     = 6   /**< Minimum supported TS protocol version */
100	>	};
101
102	+	enum
103	+	{
104	+	CAP_MULTI_PREFIX  = 0x00000001U,
105	+	CAP_AWAY_NOTIFY   = 0x00000002U,
106	+	CAP_UHNAMES       = 0x00000004U,
107	+	CAP_EXTENDED_JOIN = 0x00000008U
108	+	};
109
110	<	#define CAP_MULTI_PREFIX  0x00000001
110	>	#define HasCap(x, y) ((x)->connection->cap_active & (y))
111
314	–	#define HasCap(x, y) ((x)->localClient->cap_active & (y))
112
113		/* housekeeping flags */
114	<	#define FLAGS_PINGSENT      0x0000000000000001 /* Unreplied ping sent                      */
115	<	#define FLAGS_DEADSOCKET    0x0000000000000002 /* Local socket is dead--Exiting soon       */
116	<	#define FLAGS_KILLED        0x0000000000000004 /* Prevents "QUIT" from being sent for this */
117	<	#define FLAGS_CLOSING       0x0000000000000008 /* set when closing to suppress errors      */
118	<	#define FLAGS_GOTID         0x0000000000000010 /* successful ident lookup achieved         */
119	<	#define FLAGS_NEEDID        0x0000000000000020 /* I-lines say must use ident return        */
120	<	#define FLAGS_SENDQEX       0x0000000000000040 /* Sendq exceeded                           */
121	<	#define FLAGS_IPHASH        0x0000000000000080 /* iphashed this client                     */
122	<	#define FLAGS_CRYPTIN       0x0000000000000100 /* incoming data must be decrypted          */
123	<	#define FLAGS_CRYPTOUT      0x0000000000000200 /* outgoing data must be encrypted          */
124	<	#define FLAGS_WAITAUTH      0x0000000000000400 /* waiting for CRYPTLINK AUTH command       */
125	<	#define FLAGS_SERVLINK      0x0000000000000800 /* servlink has servlink process            */
126	<	#define FLAGS_MARK          0x0000000000001000 /* marked client                            */
127	<	#define FLAGS_CANFLOOD      0x0000000000002000 /* client has the ability to flood          */
128	<	#define FLAGS_EXEMPTGLINE   0x0000000000004000 /* client can't be G-lined                  */
129	<	#define FLAGS_EXEMPTKLINE   0x0000000000008000 /* client is exempt from kline              */
130	<	#define FLAGS_NOLIMIT       0x0000000000010000 /* client is exempt from limits             */
131	<	#define FLAGS_RESTRICTED    0x0000000000020000 /* client cannot op others                  */
132	<	#define FLAGS_PING_COOKIE   0x0000000000040000 /* PING Cookie                              */
133	<	#define FLAGS_IDLE_LINED    0x0000000000080000 /* client is exempt from idle-time limits   */
134	<	#define FLAGS_IP_SPOOFING   0x0000000000100000 /* client IP is spoofed                     */
135	<	#define FLAGS_FLOODDONE     0x0000000000200000 /* Flood grace period has been ended.       */
136	<	#define FLAGS_EOB           0x0000000000400000 /* server has received EOB                  */
137	<	#define FLAGS_HIDDEN        0x0000000000800000 /* a hidden server. not shown in /links     */
138	<	#define FLAGS_BLOCKED       0x0000000001000000 /* must wait for COMM_SELECT_WRITE          */
139	<	#define FLAGS_SBLOCKED      0x0000000002000000 /* slinkq is blocked                        */
140	<	#define FLAGS_USERHOST      0x0000000004000000 /* client is in userhost hash               */
141	<	#define FLAGS_BURSTED       0x0000000008000000 /* user was already bursted                 */
142	<	#define FLAGS_EXEMPTRESV    0x0000000010000000 /* client is exempt from RESV               */
346	<	#define FLAGS_GOTUSER       0x0000000020000000 /* if we received a USER command            */
347	<	#define FLAGS_PINGWARNING   0x0000000040000000 /* unreplied ping warning already sent      */
348	<	#define FLAGS_FINISHED_AUTH 0x0000000080000000 /* Client has been released from auth       */
349	<	#define FLAGS_FLOOD_NOTICED 0x0000000100000000
350	<	#define FLAGS_SERVICE       0x0000000200000000 /* Client/server is a network service       */
114	>	enum
115	>	{
116	>	FLAGS_PINGSENT      = 0x00000001U,  /**< Unreplied ping sent */
117	>	FLAGS_DEADSOCKET    = 0x00000002U,  /**< Local socket is dead--Exiting soon */
118	>	FLAGS_KILLED        = 0x00000004U,  /**< Prevents "QUIT" from being sent for this */
119	>	FLAGS_CLOSING       = 0x00000008U,  /**< Set when closing to suppress errors */
120	>	FLAGS_GOTID         = 0x00000010U,  /**< Successful ident lookup achieved */
121	>	FLAGS_SENDQEX       = 0x00000020U,  /**< Sendq exceeded */
122	>	FLAGS_IPHASH        = 0x00000040U,  /**< Iphashed this client */
123	>	FLAGS_MARK          = 0x00000080U,  /**< Marked client */
124	>	FLAGS_CANFLOOD      = 0x00000100U,  /**< Client has the ability to flood */
125	>	FLAGS_EXEMPTKLINE   = 0x00000200U,  /**< Client is exempt from k-lines */
126	>	FLAGS_NOLIMIT       = 0x00000400U,  /**< Client is exempt from limits */
127	>	FLAGS_PING_COOKIE   = 0x00000800U,  /**< PING Cookie */
128	>	FLAGS_FLOODDONE     = 0x00001000U,  /**< Flood grace period has been ended. */
129	>	FLAGS_EOB           = 0x00002000U,  /**< Server has sent us an EOB */
130	>	FLAGS_HIDDEN        = 0x00004000U,  /**< A hidden server. Not shown in /links */
131	>	FLAGS_BLOCKED       = 0x00008000U,  /**< Must wait for COMM_SELECT_WRITE */
132	>	FLAGS_USERHOST      = 0x00010000U,  /**< Client is in userhost hash */
133	>	FLAGS_BURSTED       = 0x00020000U,  /**< User was already bursted */
134	>	FLAGS_EXEMPTRESV    = 0x00040000U,  /**< Client is exempt from RESV */
135	>	FLAGS_GOTUSER       = 0x00080000U,  /**< If we received a USER command */
136	>	FLAGS_FINISHED_AUTH = 0x00100000U,  /**< Client has been released from auth */
137	>	FLAGS_FLOOD_NOTICED = 0x00200000U,  /**< Notice to opers about this flooder has been sent */
138	>	FLAGS_SERVICE       = 0x00400000U,  /**< Client/server is a network service */
139	>	FLAGS_SSL           = 0x00800000U,  /**< User is connected via TLS/SSL */
140	>	FLAGS_SQUIT         = 0x01000000U,
141	>	FLAGS_EXEMPTXLINE   = 0x02000000U   /**< Client is exempt from x-lines */
142	>	};
143
144	+	#define HasFlag(x, y) ((x)->flags &   (y))
145	+	#define AddFlag(x, y) ((x)->flags |=  (y))
146	+	#define DelFlag(x, y) ((x)->flags &= ~(y))
147
353	–	/* umodes, settable flags */
354	–	#define UMODE_SERVNOTICE   0x00000001 /* server notices such as kill */
355	–	#define UMODE_CCONN        0x00000002 /* Client Connections */
356	–	#define UMODE_REJ          0x00000004 /* Bot Rejections */
357	–	#define UMODE_SKILL        0x00000008 /* Server Killed */
358	–	#define UMODE_FULL         0x00000010 /* Full messages */
359	–	#define UMODE_SPY          0x00000020 /* see STATS / LINKS */
360	–	#define UMODE_DEBUG        0x00000040 /* 'debugging' info */
361	–	#define UMODE_NCHANGE      0x00000080 /* Nick change notice */
362	–	#define UMODE_WALLOP       0x00000100 /* send wallops to them */
363	–	#define UMODE_OPERWALL     0x00000200 /* Operwalls */
364	–	#define UMODE_INVISIBLE    0x00000400 /* makes user invisible */
365	–	#define UMODE_BOTS         0x00000800 /* shows bots */
366	–	#define UMODE_EXTERNAL     0x00001000 /* show servers introduced and splitting */
367	–	#define UMODE_CALLERID     0x00002000 /* block unless caller id's */
368	–	#define UMODE_SOFTCALLERID 0x00004000 /* block unless on common channel */
369	–	#define UMODE_UNAUTH       0x00008000 /* show unauth connects here */
370	–	#define UMODE_LOCOPS       0x00010000 /* show locops */
371	–	#define UMODE_DEAF         0x00020000 /* don't receive channel messages */
372	–	#define UMODE_CCONN_FULL   0x00040000 /* add unused fields to connection monitoring */
373	–	#define UMODE_REGISTERED   0x00080000 /* User has identified for that nick. */
374	–
375	–	/* user information flags, only settable by remote mode or local oper */
376	–	#define UMODE_OPER         0x40000000 /* Operator */
377	–	#define UMODE_ADMIN        0x80000000 /* Admin on server */
148
149	<	#define UMODE_ALL          UMODE_SERVNOTICE
149	>	/* umodes, settable flags */
150	>	enum
151	>	{
152	>	UMODE_SERVNOTICE   = 0x00000001U,  /**< Server notices such as kill */
153	>	UMODE_CCONN        = 0x00000002U,  /**< Can see client connection notices */
154	>	UMODE_REJ          = 0x00000004U,  /**< Bot Rejections */
155	>	UMODE_SKILL        = 0x00000008U,  /**< Server Killed */
156	>	UMODE_FULL         = 0x00000010U,  /**< Full messages */
157	>	UMODE_SPY          = 0x00000020U,  /**< See STATS / LINKS */
158	>	UMODE_DEBUG        = 0x00000040U,  /**< 'debugging' info */
159	>	UMODE_NCHANGE      = 0x00000080U,  /**< Nick change notice */
160	>	UMODE_WALLOP       = 0x00000100U,  /**< Send wallops to them */
161	>	UMODE_INVISIBLE    = 0x00000200U,  /**< Makes user invisible */
162	>	UMODE_BOTS         = 0x00000400U,  /**< Shows bots */
163	>	UMODE_EXTERNAL     = 0x00000800U,  /**< Show servers introduced and splitting */
164	>	UMODE_CALLERID     = 0x00001000U,  /**< Block unless caller id's */
165	>	UMODE_SOFTCALLERID = 0x00002000U,  /**< Block unless on common channel */
166	>	UMODE_UNAUTH       = 0x00004000U,  /**< Show unauth connects here */
167	>	UMODE_LOCOPS       = 0x00008000U,  /**< Can see LOCOPS messages */
168	>	UMODE_DEAF         = 0x00010000U,  /**< Don't receive channel messages */
169	>	UMODE_REGISTERED   = 0x00020000U,  /**< User has identified for that nick. */
170	>	UMODE_REGONLY      = 0x00040000U,  /**< Only registered nicks may PM */
171	>	UMODE_HIDDEN       = 0x00080000U,  /**< IRC operator status is hidden */
172	>	UMODE_OPER         = 0x00100000U,  /**< IRC operator */
173	>	UMODE_ADMIN        = 0x00200000U,  /**< Admin on server */
174	>	UMODE_FARCONNECT   = 0x00400000U,  /**< Can see remote client connects/exits */
175	>	UMODE_HIDDENHOST   = 0x00800000U,  /**< User's host is hidden */
176	>	UMODE_SSL          = 0x01000000U,  /**< User is connected via TLS/SSL */
177	>	UMODE_WEBIRC       = 0x02000000U,  /**< User connected via a webirc gateway */
178	>	UMODE_HIDEIDLE     = 0x04000000U,  /**< Hides idle and signon time in WHOIS */
179	>	UMODE_HIDECHANS    = 0x08000000U   /**< Hides channel list in WHOIS */
180	>	};
181
182		#define HasUMode(x, y) ((x)->umodes &   (y))
183		#define AddUMode(x, y) ((x)->umodes |=  (y))
184		#define DelUMode(x, y) ((x)->umodes &= ~(y))
185
385	–	#define SEND_UMODES  (UMODE_INVISIBLE | UMODE_OPER | UMODE_WALLOP | \
386	–	UMODE_REGISTERED | UMODE_ADMIN)
387	–
388	–
389	–
186
187		/* oper priv flags */
188	<	#define OPER_FLAG_GLOBAL_KILL  0x00000001 /* oper can global kill        */
189	<	#define OPER_FLAG_REMOTE       0x00000002 /* oper can do squits/connects */
190	<	#define OPER_FLAG_UNKLINE      0x00000004 /* oper can use unkline        */
191	<	#define OPER_FLAG_GLINE        0x00000008 /* oper can use gline          */
192	<	#define OPER_FLAG_N            0x00000010 /* oper can umode n            */
193	<	#define OPER_FLAG_K            0x00000020 /* oper can kill/kline         */
194	<	#define OPER_FLAG_X            0x00000040 /* oper can xline              */
195	<	#define OPER_FLAG_DIE          0x00000080 /* oper can die                */
196	<	#define OPER_FLAG_REHASH       0x00000100 /* oper can rehash             */
197	<	#define OPER_FLAG_ADMIN        0x00000200 /* oper can set umode +a       */
198	<	#define OPER_FLAG_HIDDEN_ADMIN 0x00000400 /* admin is hidden             */
199	<	#define OPER_FLAG_OPERWALL     0x00000800 /* */
200	<	#define OPER_FLAG_OPER_SPY     0x00001000 /* */
201	<	#define OPER_FLAG_REMOTEBAN    0x00002000 /* */
202	<	#define OPER_FLAG_HIDDEN_OPER  0x00004000 /* */
188	>	enum
189	>	{
190	>	OPER_FLAG_KILL_REMOTE    = 0x00000001U,  /**< Oper can KILL remote users */
191	>	OPER_FLAG_KILL           = 0x00000002U,  /**< Oper can KILL local users */
192	>	OPER_FLAG_UNKLINE        = 0x00000004U,  /**< Oper can use UNKLINE command */
193	>	OPER_FLAG_KLINE          = 0x00000008U,  /**< Oper can use KLINE command */
194	>	OPER_FLAG_XLINE          = 0x00000010U,  /**< Oper can use XLINE command */
195	>	OPER_FLAG_DIE            = 0x00000020U,  /**< Oper can use DIE command */
196	>	OPER_FLAG_REHASH         = 0x00000040U,  /**< Oper can use REHASH command */
197	>	OPER_FLAG_ADMIN          = 0x00000080U,  /**< Oper can set user mode +a */
198	>	OPER_FLAG_REMOTEBAN      = 0x00000100U,  /**< Oper can set remote bans */
199	>	OPER_FLAG_GLOBOPS        = 0x00000200U,  /**< Oper can use GLOBOPS command */
200	>	OPER_FLAG_MODULE         = 0x00000400U,  /**< Oper can use MODULE command */
201	>	OPER_FLAG_RESTART        = 0x00000800U,  /**< Oper can use RESTART command */
202	>	OPER_FLAG_DLINE          = 0x00001000U,  /**< Oper can use DLINE command */
203	>	OPER_FLAG_UNDLINE        = 0x00002000U,  /**< Oper can use UNDLINE command */
204	>	OPER_FLAG_SET            = 0x00004000U,  /**< Oper can use SET command */
205	>	OPER_FLAG_SQUIT          = 0x00008000U,  /**< Oper can do local SQUIT */
206	>	OPER_FLAG_SQUIT_REMOTE   = 0x00010000U,  /**< Oper can do remote SQUIT */
207	>	OPER_FLAG_CONNECT        = 0x00020000U,  /**< Oper can do local CONNECT */
208	>	OPER_FLAG_CONNECT_REMOTE = 0x00040000U,  /**< Oper can do remote CONNECT */
209	>	OPER_FLAG_WALLOPS        = 0x00080000U,  /**< Oper can use WALLOPS command */
210	>	OPER_FLAG_LOCOPS         = 0x00100000U,  /**< Oper can use LOCOPS command */
211	>	OPER_FLAG_UNXLINE        = 0x00200000U,  /**< Oper can use UNXLINE command */
212	>	OPER_FLAG_OPME           = 0x00400000U   /**< Oper can use OPME command */
213	>	};
214	>
215	>	#define HasOFlag(x, y) (MyConnect(x) ? (x)->connection->operflags & (y) : 0)
216	>	#define AddOFlag(x, y) ((x)->connection->operflags |=  (y))
217	>	#define DelOFlag(x, y) ((x)->connection->operflags &= ~(y))
218	>	#define ClrOFlag(x)    ((x)->connection->operflags = 0)
219
408	–	#define SetOFlag(x, y) ((x)->localClient->operflags |= (y))
220
221
222		/* flags macros. */
412	–	#define IsMsgFloodNoticed(x)       ((x)->flags & FLAGS_FLOOD_NOTICED)
413	–	#define SetMsgFloodNoticed(x)      ((x)->flags |= FLAGS_FLOOD_NOTICED)
414	–	#define ClearMsgFloodNoticed(x)    ((x)->flags &= ~FLAGS_FLOOD_NOTICED)
223		#define IsAuthFinished(x)       ((x)->flags & FLAGS_FINISHED_AUTH)
224		#define IsDead(x)               ((x)->flags & FLAGS_DEADSOCKET)
225		#define SetDead(x)              ((x)->flags |= FLAGS_DEADSOCKET)
226	<	#define IsClosing(x)            ((x)->flags & FLAGS_CLOSING)
227	<	#define SetClosing(x)           ((x)->flags |= FLAGS_CLOSING)
228	<	#define IsKilled(x)             ((x)->flags & FLAGS_KILLED)
421	<	#define SetKilled(x)            ((x)->flags |= FLAGS_KILLED)
422	<	#define IsCryptIn(x)            ((x)->flags &  FLAGS_CRYPTIN)
423	<	#define SetCryptIn(x)           ((x)->flags |= FLAGS_CRYPTIN)
424	<	#define IsCryptOut(x)           ((x)->flags &  FLAGS_CRYPTOUT)
425	<	#define SetCryptOut(x)          ((x)->flags |= FLAGS_CRYPTOUT)
426	<	#define IsWaitAuth(x)           ((x)->flags &  FLAGS_WAITAUTH)
427	<	#define SetWaitAuth(x)          ((x)->flags |= FLAGS_WAITAUTH)
428	<	#define ClearWaitAuth(x)        ((x)->flags &= ~FLAGS_WAITAUTH)
429	<	#define HasServlink(x)          ((x)->flags &  FLAGS_SERVLINK)
430	<	#define SetServlink(x)          ((x)->flags |= FLAGS_SERVLINK)
431	<	#define MyConnect(x)            ((x)->localClient != NULL)
432	<	#define MyClient(x)             (MyConnect(x) && IsClient(x))
433	<	#define SetMark(x)              ((x)->flags |= FLAGS_MARK)
434	<	#define ClearMark(x)            ((x)->flags &= ~FLAGS_MARK)
435	<	#define IsMarked(x)             ((x)->flags & FLAGS_MARK)
436	<	#define SetCanFlood(x)          ((x)->flags |= FLAGS_CANFLOOD)
437	<	#define IsCanFlood(x)           ((x)->flags & FLAGS_CANFLOOD)
438	<	#define IsDefunct(x)            ((x)->flags & (FLAGS_DEADSOCKET|FLAGS_CLOSING| \
439	<	FLAGS_KILLED))
226	>	#define IsClosing(x)            ((x)->flags & FLAGS_CLOSING)
227	>	#define SetClosing(x)           ((x)->flags |= FLAGS_CLOSING)
228	>	#define IsDefunct(x)            ((x)->flags & (FLAGS_DEADSOCKET|FLAGS_CLOSING|FLAGS_KILLED))
229
230		/* oper flags */
231	<	#define MyOper(x)               (MyConnect(x) && IsOper(x))
231	>	#define MyOper(x)               (MyConnect(x) && HasUMode(x, UMODE_OPER))
232
233		#define SetOper(x)              {(x)->umodes |= UMODE_OPER; \
234	<	if (!IsServer((x))) (x)->handler = OPER_HANDLER;}
234	>	if (!IsServer((x))) (x)->handler = OPER_HANDLER;}
235
236		#define ClearOper(x)            {(x)->umodes &= ~(UMODE_OPER|UMODE_ADMIN); \
237	<	if (!IsOper((x)) && !IsServer((x))) \
238	<	(x)->handler = CLIENT_HANDLER; }
450	<
451	<	#define IsPrivileged(x)         (IsOper(x) || IsServer(x))
452	<
453	<	/* umode flags */
454	<	#define IsInvisible(x)          ((x)->umodes & UMODE_INVISIBLE)
455	<	#define SendWallops(x)          ((x)->umodes & UMODE_WALLOP)
456	<	#define IsSetCallerId(x)        ((x)->umodes & \
457	<	(UMODE_CALLERID|UMODE_SOFTCALLERID))
458	<	#define IsSoftCallerId(x)       ((x)->umodes & UMODE_SOFTCALLERID)
459	<	#define IsDeaf(x)               ((x)->umodes & UMODE_DEAF)
460	<	#define IsFull(x)               ((x)->umodes & UMODE_CCONN_FULL)
461	<
462	<	#define SetSendQExceeded(x)     ((x)->flags |= FLAGS_SENDQEX)
463	<	#define IsSendQExceeded(x)      ((x)->flags &  FLAGS_SENDQEX)
464	<
465	<	#define SetIpHash(x)            ((x)->flags |= FLAGS_IPHASH)
466	<	#define ClearIpHash(x)          ((x)->flags &= ~FLAGS_IPHASH)
467	<	#define IsIpHash(x)             ((x)->flags & FLAGS_IPHASH)
468	<
469	<	#define SetUserHost(x)          ((x)->flags |= FLAGS_USERHOST)
470	<	#define ClearUserHost(x)        ((x)->flags &= ~FLAGS_USERHOST)
471	<	#define IsUserHostIp(x)         ((x)->flags & FLAGS_USERHOST)
472	<
473	<	#define SetPingSent(x)          ((x)->flags |= FLAGS_PINGSENT)
474	<	#define IsPingSent(x)           ((x)->flags & FLAGS_PINGSENT)
475	<	#define ClearPingSent(x)        ((x)->flags &= ~FLAGS_PINGSENT)
476	<
477	<	#define SetPingWarning(x)       ((x)->flags |= FLAGS_PINGWARNING)
478	<	#define IsPingWarning(x)        ((x)->flags & FLAGS_PINGWARNING)
479	<	#define ClearPingWarning(x)     ((x)->flags &= ~FLAGS_PINGWARNING)
480	<
481	<	#define SetNeedId(x)            ((x)->flags |= FLAGS_NEEDID)
482	<	#define IsNeedId(x)             ((x)->flags & FLAGS_NEEDID)
483	<
484	<	#define SetGotId(x)             ((x)->flags |= FLAGS_GOTID)
485	<	#define IsGotId(x)              ((x)->flags & FLAGS_GOTID)
486	<
487	<	#define IsExemptKline(x)        ((x)->flags & FLAGS_EXEMPTKLINE)
488	<	#define SetExemptKline(x)       ((x)->flags |= FLAGS_EXEMPTKLINE)
489	<	#define IsExemptLimits(x)       ((x)->flags & FLAGS_NOLIMIT)
490	<	#define SetExemptLimits(x)      ((x)->flags |= FLAGS_NOLIMIT)
491	<	#define IsExemptGline(x)        ((x)->flags & FLAGS_EXEMPTGLINE)
492	<	#define SetExemptGline(x)       ((x)->flags |= FLAGS_EXEMPTGLINE)
493	<	#define IsExemptResv(x)         ((x)->flags & FLAGS_EXEMPTRESV)
494	<	#define SetExemptResv(x)        ((x)->flags |= FLAGS_EXEMPTRESV)
495	<	#define SetIPSpoof(x)           ((x)->flags |= FLAGS_IP_SPOOFING)
496	<	#define IsIPSpoof(x)            ((x)->flags & FLAGS_IP_SPOOFING)
497	<
498	<	#define IsIdlelined(x)          ((x)->flags &  FLAGS_IDLE_LINED)
499	<	#define SetIdlelined(x)         ((x)->flags |= FLAGS_IDLE_LINED)
500	<	#define IsRestricted(x)         ((x)->flags &  FLAGS_RESTRICTED)
501	<	#define SetRestricted(x)        ((x)->flags |= FLAGS_RESTRICTED)
237	>	if (!HasUMode(x, UMODE_OPER) && !IsServer((x))) \
238	>	(x)->handler = CLIENT_HANDLER; }
239
240		#define IsFloodDone(x)          ((x)->flags &  FLAGS_FLOODDONE)
504	–	#define SetFloodDone(x)         ((x)->flags |= FLAGS_FLOODDONE)
505	–	#define HasPingCookie(x)        ((x)->flags & FLAGS_PING_COOKIE)
506	–	#define SetPingCookie(x)        ((x)->flags |= FLAGS_PING_COOKIE)
241		#define IsHidden(x)             ((x)->flags &  FLAGS_HIDDEN)
508	–	#define SetHidden(x)            ((x)->flags |= FLAGS_HIDDEN)
509	–	#define IsService(x)            ((x)->flags &  FLAGS_SERVICE)
510	–	#define SetService(x)           ((x)->flags |= FLAGS_SERVICE)
511	–
512	–	#define IsSendqBlocked(x)       ((x)->flags &  FLAGS_BLOCKED)
513	–	#define SetSendqBlocked(x)      ((x)->flags |= FLAGS_BLOCKED)
514	–	#define ClearSendqBlocked(x)    ((x)->flags &= ~FLAGS_BLOCKED)
515	–	#define IsSlinkqBlocked(x)      ((x)->flags &  FLAGS_SBLOCKED)
516	–	#define SetSlinkqBlocked(x)     ((x)->flags |= FLAGS_SBLOCKED)
517	–	#define ClearSlinkqBlocked(x)   ((x)->flags &= ~FLAGS_SBLOCKED)
518	–
519	–	#define IsBursted(x)            ((x)->flags &  FLAGS_BURSTED)
520	–	#define SetBursted(x)           ((x)->flags |= FLAGS_BURSTED)
521	–	#define ClearBursted(x)         ((x)->flags &= ~FLAGS_BURSTED)
522	–
523	–	#define IsCaptured(x)           ((x)->handler == DUMMY_HANDLER)
524	–	#define SetCaptured(x)          ((x)->handler = DUMMY_HANDLER)
525	–	#define ClearCaptured(x)        ((x)->handler = CLIENT_HANDLER)
526	–
527	–	/* operflags macros */
528	–	#define ClearOperFlags(x)       ((x)->localClient->operflags = 0)
529	–	#define IsOperGlobalKill(x)     (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_GLOBAL_KILL : 0)
530	–	#define IsOperRemote(x)         (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_REMOTE : 0)
531	–	#define IsOperUnkline(x)        (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_UNKLINE : 0)
532	–	#define IsOperGline(x)          (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_GLINE : 0)
533	–	#define IsOperN(x)              (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_N : 0)
534	–	#define IsOperK(x)              (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_K : 0)
535	–	#define IsOperDie(x)            (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_DIE : 0)
536	–	#define IsOperRehash(x)         (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_REHASH : 0)
537	–	#define IsOperAdmin(x)          (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_ADMIN : 0)
538	–	#define IsOperHiddenAdmin(x)    (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_HIDDEN_ADMIN : 0)
539	–	#define IsOperX(x)              (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_X : 0)
540	–	#define IsOperWall(x)           (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_OPERWALL : 0)
541	–	#define IsOperRemoteBan(x)      (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_REMOTEBAN : 0)
542	–	#define IsOperHidden(x)         (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_HIDDEN_OPER : 0)
242
243	<	/*
244	<	* definitions for get_client_name
245	<	* TBD - make this an enum
243	>
244	>	/*! \brief addr_mask_type enumeration */
245	>	enum addr_mask_type
246	>	{
247	>	HIDE_IP, /**< IP is hidden. Resolved hostname is shown instead */
248	>	SHOW_IP, /**< IP is shown. No parts of it are hidden or masked */
249	>	MASK_IP  /**< IP is masked. 255.255.255.255 is shown instead */
250	>	};
251	>
252	>	struct ServicesTag
253	>	{
254	>	dlink_node node;
255	>	char *tag;
256	>	unsigned int numeric;
257	>	unsigned int umodes;
258	>	};
259	>
260	>	/*! \brief Server structure */
261	>	struct Server
262	>	{
263	>	dlink_list server_list; /**< Servers on this server */
264	>	dlink_list client_list; /**< Clients on this server */
265	>	char by[NICKLEN + 1];   /**< Who activated this connection */
266	>	};
267	>
268	>	/*! \brief ListTask structure */
269	>	struct ListTask
270	>	{
271	>	dlink_list show_mask; /**< Channels to show */
272	>	dlink_list hide_mask; /**< Channels to hide */
273	>
274	>	unsigned int hash_index; /**< The hash bucket we are currently in */
275	>	unsigned int users_min;
276	>	unsigned int users_max;
277	>	unsigned int created_min;
278	>	unsigned int created_max;
279	>	unsigned int topicts_min;
280	>	unsigned int topicts_max;
281	>	char topic[TOPICLEN + 1];
282	>	};
283	>
284	>	/*! \brief Connection structure
285	>	*
286	>	* Allocated only for local clients, that are directly connected
287	>	* to \b this server with a socket.
288		*/
289	<	#define HIDE_IP 0
290	<	#define SHOW_IP 1
291	<	#define MASK_IP 2
289	>	struct Connection
290	>	{
291	>	dlink_node   lclient_node;
292	>
293	>	unsigned int registration;
294	>	unsigned int cap_client;  /**< Client capabilities (from us) */
295	>	unsigned int cap_active;  /**< Active capabilities (to us) */
296	>	unsigned int       caps;  /**< Capabilities bit-field */
297	>
298	>	unsigned int operflags;     /**< IRC Operator privilege flags */
299	>	unsigned int random_ping; /**< Holding a 32bit value used for PING cookies */
300	>
301	>	uint64_t serial;     /**< Used to enforce 1 send per nick */
302	>
303	>	time_t       lasttime;   /**< ...should be only LOCAL clients? --msa */
304	>	time_t       firsttime;  /**< Time client was created */
305	>	time_t       since;      /**< Last time we parsed something */
306	>	time_t       last_join_time;   /**< When this client last joined a channel */
307	>	time_t       last_leave_time;  /**< When this client last left a channel */
308	>	int          join_leave_count; /**< Count of JOIN/LEAVE in less than
309	>	MIN_JOIN_LEAVE_TIME seconds */
310	>	int          oper_warn_count_down; /**< Warn opers of this possible
311	>	spambot every time this gets to 0 */
312	>	time_t       last_caller_id_time;
313	>	time_t       first_received_message_time;
314	>	time_t       last_privmsg;  /**< Last time we got a PRIVMSG */
315	>
316	>	int          received_number_of_privmsgs;
317	>
318	>	struct ListTask  *list_task;
319	>
320	>	struct dbuf_queue buf_sendq;
321	>	struct dbuf_queue buf_recvq;
322	>
323	>	struct
324	>	{
325	>	unsigned int messages;      /**< Statistics: protocol messages sent/received */
326	>	uint64_t bytes;             /**< Statistics: total bytes sent/received */
327	>	} recv, send;
328	>
329	>	struct
330	>	{
331	>	unsigned int count;  /**< How many AWAY/INVITE/KNOCK/NICK requests client has sent */
332	>	time_t last_attempt;  /**< Last time the AWAY/INVITE/KNOCK/NICK request was issued */
333	>	} away, invite, knock, nick;
334	>
335	>	struct AuthRequest auth;
336	>	struct Listener *listener;   /**< Listener accepted from */
337	>	dlink_list        acceptlist; /**< Clients I'll allow to talk to me */
338	>	dlink_list        watches;   /**< Chain of Watch pointer blocks */
339	>	dlink_list        confs;     /**< Configuration record associated */
340	>	dlink_list        invited;   /**< Chain of invite pointer blocks */
341	>	struct irc_ssaddr ip;
342	>	int               aftype;    /**< Makes life easier for DNS res in IPV6 */
343	>	int               country_id; /**< ID corresponding to a ISO 3166 country code */
344	>
345	>	fde_t             fd;
346	>
347	>	/* Anti-flood stuff. We track how many messages were parsed and how
348	>	* many we were allowed in the current second, and apply a simple
349	>	* decay to avoid flooding.
350	>	*   -- adrian
351	>	*/
352	>	int allow_read;       /**< How many we're allowed to read in this second */
353	>	int sent_parsed;      /**< How many messages we've parsed in this second */
354	>
355	>	char *password;  /**< Password supplied by the client/server */
356	>	char *challenge_response;  /**< Expected CHALLENGE response from client */
357	>	char *challenge_operator;  /**< Operator to become if they supply the response */
358	>	};
359	>
360	>	/*! \brief Client structure */
361	>	struct Client
362	>	{
363	>	dlink_node node;
364	>	dlink_node lnode;             /**< Used for Server->servers/users */
365	>
366	>	struct Connection *connection;
367	>	struct Client    *hnext;      /**< For client hash table lookups by name */
368	>	struct Client    *idhnext;    /**< For SID hash table lookups by sid */
369	>	struct Server    *serv;       /**< ...defined, if this is a server */
370	>	struct Client    *servptr;    /**< Points to server this Client is on */
371	>	struct Client    *from;       /**< == self, if Local Client, *NEVER* NULL! */
372	>
373	>	time_t            tsinfo;     /**< TS on the nick, SVINFO on server */
374	>
375	>	unsigned int      flags;      /**< Client flags */
376	>	unsigned int      umodes;     /**< Opers, normal users subset */
377	>	unsigned int      hopcount;   /**< Number of servers to this 0 = local */
378	>	unsigned int      status;     /**< Client type */
379	>	unsigned int      handler;    /**< Handler index */
380	>
381	>	dlink_list        whowas;
382	>	dlink_list        channel;   /**< Chain of channel pointer blocks */
383	>	dlink_list        svstags;   /**< List of ServicesTag items */
384	>
385	>	char away[AWAYLEN + 1]; /**< Client's AWAY message. Can be set/unset via AWAY command */
386	>	char name[HOSTLEN + 1]; /**< Unique name for a client nick or host */
387	>	char id[IDLEN + 1];       /**< Client ID, unique ID per client */
388	>	char account[ACCOUNTLEN + 1]; /**< Services account */
389	>
390	>	/*
391	>	* client->username is the username from ident or the USER message,
392	>	* If the client is idented the USER message is ignored, otherwise
393	>	* the username part of the USER message is put here prefixed with a
394	>	* tilde depending on the auth{} block. Once a client has registered,
395	>	* this field should be considered read-only.
396	>	*/
397	>	char              username[USERLEN + 1]; /* client's username */
398	>
399	>	/*
400	>	* client->host contains the resolved name or ip address
401	>	* as a string for the user, it may be fiddled with for oper spoofing etc.
402	>	* once it's changed the *real* address goes away. This should be
403	>	* considered a read-only field after the client has registered.
404	>	*/
405	>	char              host[HOSTLEN + 1];     /* client's hostname */
406	>
407	>	/*
408	>	* client->info for unix clients will normally contain the info from the
409	>	* gcos field in /etc/passwd but anything can go here.
410	>	*/
411	>	char              info[REALLEN + 1]; /* Free form additional client info */
412	>
413	>	/*
414	>	* client->sockhost contains the ip address gotten from the socket as a
415	>	* string, this field should be considered read-only once the connection
416	>	* has been made. (set in s_bsd.c only)
417	>	*/
418	>	char              sockhost[HOSTIPLEN + 1]; /* This is the host name from the
419	>	socket ip address as string */
420	>	char             *certfp;
421	>	};
422	>
423
424		extern struct Client me;
425		extern dlink_list listing_client_list;
426		extern dlink_list global_client_list;
427	+	extern dlink_list global_server_list;   /* global servers on the network              */
428	+	extern dlink_list local_client_list;  /* local clients only ON this server          */
429	+	extern dlink_list local_server_list;  /* local servers to this server ONLY          */
430	+	extern dlink_list unknown_list;       /* unknown clients ON this server only        */
431	+	extern dlink_list oper_list;          /* our opers, duplicated in local_client_list */
432
433		extern int accept_message(struct Client *, struct Client *);
434	+	extern unsigned int client_get_idle_time(const struct Client *, const struct Client *);
435		extern struct split_nuh_item *find_accept(const char *, const char *,
436	<	const char *, struct Client *, int);
436	>	const char *, struct Client *,
437	>	int (*)(const char *, const char *));
438	>	extern void client_attach_svstag(struct Client *, unsigned int, const char *, const char *const);
439	>	extern void client_clear_svstags(struct Client *);
440		extern void del_accept(struct split_nuh_item *, struct Client *);
441		extern void del_all_accepts(struct Client *);
442	<	extern void exit_client(struct Client *, struct Client *, const char *);
442	>	extern void exit_client(struct Client *, const char *);
443	>	extern void conf_try_ban(struct Client *, struct MaskItem *);
444		extern void check_conf_klines(void);
445	<	extern void init_client(void);
564	<	extern void change_local_nick(struct Client *, struct Client *, const char *);
445	>	extern void client_init(void);
446		extern void dead_link_on_write(struct Client *, int);
447		extern void dead_link_on_read(struct Client *, int);
448		extern void exit_aborted_clients(void);
449		extern void free_exited_clients(void);
450		extern struct Client *make_client(struct Client *);
451	<	extern struct Client *find_chasing(struct Client *, struct Client *, const char *, int *);
451	>	extern struct Client *find_chasing(struct Client *, const char *);
452		extern struct Client *find_person(const struct Client *const, const char *);
453	<	extern const char *get_client_name(const struct Client *, int);
453	>	extern const char *get_client_name(const struct Client *, enum addr_mask_type);
454
455		#endif /* INCLUDED_client_h */

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