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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 1175 by michael, Sun Aug 14 10:47:48 2011 UTC vs.
ircd-hybrid/trunk/include/client.h (file contents), Revision 2012 by michael, Sun May 12 14:47:26 2013 UTC

#	Line 1 | Line 1
1		/*
2		*  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3	–	*  client.h: The ircd client header.
3		*
4		*  Copyright (C) 2002 by the past and present ircd coders, and others.
5		*
#	Line 18 | Line 17
17		*  along with this program; if not, write to the Free Software
18		*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
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"
35	–	#include "irc_res.h"
36	–
37	–	#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! */
42	–
43	–	/*
44	–	* pre declare structs
45	–	*/
46	–	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
71	–	{
72	–	uint64_t in;
73	–	uint64_t in_wire;
74	–	uint64_t out;
75	–	uint64_t out_wire;
76	–	double in_ratio;
77	–	double out_ratio;
78	–	};
79	–
80	–	struct ListTask
81	–	{
82	–	unsigned int hash_index; /* the bucket we are currently in */
83	–	dlink_list show_mask; /* show these channels..          */
84	–	dlink_list hide_mask; /* ..and hide these ones          */
85	–	unsigned int users_min, users_max;
86	–	unsigned int created_min, created_max;
87	–	unsigned int topicts_min, topicts_max;
88	–	};
89	–
90	–	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	–	};
155	–
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	–	};
37
38		/*
39		* status macros.
#	Line 274 | Line 62 | struct LocalUser
62		#define IsServer(x)             ((x)->status == STAT_SERVER)
63		#define IsClient(x)             ((x)->status == STAT_CLIENT)
64
277	–	#define IsOper(x)               ((x)->umodes & UMODE_OPER)
278	–	#define IsAdmin(x)              ((x)->umodes & UMODE_ADMIN)
279	–
65		#define SetConnecting(x)        {(x)->status = STAT_CONNECTING; \
66		(x)->handler = UNREGISTERED_HANDLER; }
67
#	Line 293 | Line 78 | struct LocalUser
78		(x)->handler = SERVER_HANDLER; }
79
80		#define SetClient(x)            {(x)->status = STAT_CLIENT; \
81	<	(x)->handler = IsOper((x)) ? \
81	>	(x)->handler = HasUMode(x, UMODE_OPER) ? \
82		OPER_HANDLER : CLIENT_HANDLER; }
83
84	<	#define SetEob(x)               ((x)->flags |= FLAGS_EOB)
85	<	#define HasSentEob(x)           ((x)->flags & FLAGS_EOB)
84	>	#define MyConnect(x)            ((x)->localClient != NULL)
85	>	#define MyClient(x)             (MyConnect(x) && IsClient(x))
86
87		/*
88		* ts stuff
89		*/
90	<	#define TS_CURRENT      6       /* current TS protocol version */
91	<	#define TS_MIN          5       /* minimum supported TS protocol version */
90	>	#define TS_CURRENT      6       /**< current TS protocol version */
91	>	#define TS_MIN          5       /**< minimum supported TS protocol version */
92		#define TS_DOESTS       0x20000000
93		#define DoesTS(x)       ((x)->tsinfo == TS_DOESTS)
94
95
96
97		#define CAP_MULTI_PREFIX  0x00000001
98	+	#define CAP_AWAY_NOTIFY   0x00000002
99
100		#define HasCap(x, y) ((x)->localClient->cap_active & (y))
101
102		/* housekeeping flags */
103	<	#define FLAGS_PINGSENT      0x0000000000000001 /* Unreplied ping sent                      */
104	<	#define FLAGS_DEADSOCKET    0x0000000000000002 /* Local socket is dead--Exiting soon       */
105	<	#define FLAGS_KILLED        0x0000000000000004 /* Prevents "QUIT" from being sent for this */
106	<	#define FLAGS_CLOSING       0x0000000000000008 /* set when closing to suppress errors      */
107	<	#define FLAGS_GOTID         0x0000000000000010 /* successful ident lookup achieved         */
108	<	#define FLAGS_NEEDID        0x0000000000000020 /* I-lines say must use ident return        */
109	<	#define FLAGS_SENDQEX       0x0000000000000040 /* Sendq exceeded                           */
110	<	#define FLAGS_IPHASH        0x0000000000000080 /* iphashed this client                     */
111	<	#define FLAGS_CRYPTIN       0x0000000000000100 /* incoming data must be decrypted          */
112	<	#define FLAGS_CRYPTOUT      0x0000000000000200 /* outgoing data must be encrypted          */
113	<	#define FLAGS_WAITAUTH      0x0000000000000400 /* waiting for CRYPTLINK AUTH command       */
114	<	#define FLAGS_SERVLINK      0x0000000000000800 /* servlink has servlink process            */
115	<	#define FLAGS_MARK          0x0000000000001000 /* marked client                            */
116	<	#define FLAGS_CANFLOOD      0x0000000000002000 /* client has the ability to flood          */
117	<	#define FLAGS_EXEMPTGLINE   0x0000000000004000 /* client can't be G-lined                  */
118	<	#define FLAGS_EXEMPTKLINE   0x0000000000008000 /* client is exempt from kline              */
119	<	#define FLAGS_NOLIMIT       0x0000000000010000 /* client is exempt from limits             */
120	<	#define FLAGS_RESTRICTED    0x0000000000020000 /* client cannot op others                  */
121	<	#define FLAGS_PING_COOKIE   0x0000000000040000 /* PING Cookie                              */
122	<	#define FLAGS_IDLE_LINED    0x0000000000080000 /* client is exempt from idle-time limits   */
123	<	#define FLAGS_IP_SPOOFING   0x0000000000100000 /* client IP is spoofed                     */
124	<	#define FLAGS_FLOODDONE     0x0000000000200000 /* Flood grace period has been ended.       */
125	<	#define FLAGS_EOB           0x0000000000400000 /* server has received EOB                  */
126	<	#define FLAGS_HIDDEN        0x0000000000800000 /* a hidden server. not shown in /links     */
127	<	#define FLAGS_BLOCKED       0x0000000001000000 /* must wait for COMM_SELECT_WRITE          */
128	<	#define FLAGS_SBLOCKED      0x0000000002000000 /* slinkq is blocked                        */
129	<	#define FLAGS_USERHOST      0x0000000004000000 /* client is in userhost hash               */
130	<	#define FLAGS_BURSTED       0x0000000008000000 /* user was already bursted                 */
131	<	#define FLAGS_EXEMPTRESV    0x0000000010000000 /* client is exempt from RESV               */
132	<	#define FLAGS_GOTUSER       0x0000000020000000 /* if we received a USER command            */
133	<	#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       */
103	>	#define FLAGS_PINGSENT      0x00000001 /**< Unreplied ping sent */
104	>	#define FLAGS_DEADSOCKET    0x00000002 /**< Local socket is dead--Exiting soon */
105	>	#define FLAGS_KILLED        0x00000004 /**< Prevents "QUIT" from being sent for this */
106	>	#define FLAGS_CLOSING       0x00000008 /**< set when closing to suppress errors */
107	>	#define FLAGS_GOTID         0x00000010 /**< successful ident lookup achieved */
108	>	#define FLAGS_NEEDID        0x00000020 /**< auth{} block say must use ident return */
109	>	#define FLAGS_SENDQEX       0x00000040 /**< Sendq exceeded */
110	>	#define FLAGS_IPHASH        0x00000080 /**< iphashed this client */
111	>	#define FLAGS_MARK          0x00000100 /**< marked client */
112	>	#define FLAGS_CANFLOOD      0x00000200 /**< client has the ability to flood */
113	>	#define FLAGS_EXEMPTGLINE   0x00000400 /**< client can't be G-lined */
114	>	#define FLAGS_EXEMPTKLINE   0x00000800 /**< client is exempt from kline */
115	>	#define FLAGS_NOLIMIT       0x00001000 /**< client is exempt from limits */
116	>	#define FLAGS_PING_COOKIE   0x00002000 /**< PING Cookie */
117	>	#define FLAGS_IP_SPOOFING   0x00004000 /**< client IP is spoofed */
118	>	#define FLAGS_FLOODDONE     0x00008000 /**< Flood grace period has been ended. */
119	>	#define FLAGS_EOB           0x00010000 /**< server has sent us an EOB */
120	>	#define FLAGS_HIDDEN        0x00020000 /**< a hidden server. not shown in /links */
121	>	#define FLAGS_BLOCKED       0x00040000 /**< must wait for COMM_SELECT_WRITE */
122	>	#define FLAGS_USERHOST      0x00080000 /**< client is in userhost hash */
123	>	#define FLAGS_BURSTED       0x00100000 /**< user was already bursted */
124	>	#define FLAGS_EXEMPTRESV    0x00200000 /**< client is exempt from RESV */
125	>	#define FLAGS_GOTUSER       0x00400000 /**< if we received a USER command */
126	>	#define FLAGS_FINISHED_AUTH 0x00800000 /**< Client has been released from auth */
127	>	#define FLAGS_FLOOD_NOTICED 0x01000000 /**< Notice to opers about this flooder has been sent */
128	>	#define FLAGS_SERVICE       0x02000000 /**< Client/server is a network service */
129	>
130	>	#define HasFlag(x, y) ((x)->flags &   (y))
131	>	#define AddFlag(x, y) ((x)->flags |=  (y))
132	>	#define DelFlag(x, y) ((x)->flags &= ~(y))
133	>
134
135
136		/* umodes, settable flags */
137	<	#define UMODE_SERVNOTICE   0x00000001 /* server notices such as kill */
138	<	#define UMODE_CCONN        0x00000002 /* Client Connections */
139	<	#define UMODE_REJ          0x00000004 /* Bot Rejections */
140	<	#define UMODE_SKILL        0x00000008 /* Server Killed */
141	<	#define UMODE_FULL         0x00000010 /* Full messages */
142	<	#define UMODE_SPY          0x00000020 /* see STATS / LINKS */
143	<	#define UMODE_DEBUG        0x00000040 /* 'debugging' info */
144	<	#define UMODE_NCHANGE      0x00000080 /* Nick change notice */
145	<	#define UMODE_WALLOP       0x00000100 /* send wallops to them */
146	<	#define UMODE_OPERWALL     0x00000200 /* Operwalls */
147	<	#define UMODE_INVISIBLE    0x00000400 /* makes user invisible */
148	<	#define UMODE_BOTS         0x00000800 /* shows bots */
149	<	#define UMODE_EXTERNAL     0x00001000 /* show servers introduced and splitting */
150	<	#define UMODE_CALLERID     0x00002000 /* block unless caller id's */
151	<	#define UMODE_SOFTCALLERID 0x00004000 /* block unless on common channel */
152	<	#define UMODE_UNAUTH       0x00008000 /* show unauth connects here */
153	<	#define UMODE_LOCOPS       0x00010000 /* show locops */
154	<	#define UMODE_DEAF         0x00020000 /* don't receive channel messages */
155	<	#define UMODE_CCONN_FULL   0x00040000 /* add unused fields to connection monitoring */
156	<	#define UMODE_REGISTERED   0x00080000 /* User has identified for that nick. */
157	<	#define UMODE_REGONLY      0x00100000 /* Only registered nicks may PM */
158	<
159	<	/* user information flags, only settable by remote mode or local oper */
160	<	#define UMODE_OPER         0x40000000 /* Operator */
161	<	#define UMODE_ADMIN        0x80000000 /* Admin on server */
137	>	#define UMODE_SERVNOTICE   0x00000001 /**< server notices such as kill */
138	>	#define UMODE_CCONN        0x00000002 /**< Client Connections */
139	>	#define UMODE_REJ          0x00000004 /**< Bot Rejections */
140	>	#define UMODE_SKILL        0x00000008 /**< Server Killed */
141	>	#define UMODE_FULL         0x00000010 /**< Full messages */
142	>	#define UMODE_SPY          0x00000020 /**< see STATS / LINKS */
143	>	#define UMODE_DEBUG        0x00000040 /**< 'debugging' info */
144	>	#define UMODE_NCHANGE      0x00000080 /**< Nick change notice */
145	>	#define UMODE_WALLOP       0x00000100 /**< send wallops to them */
146	>	#define UMODE_OPERWALL     0x00000200 /**< Operwalls */
147	>	#define UMODE_INVISIBLE    0x00000400 /**< makes user invisible */
148	>	#define UMODE_BOTS         0x00000800 /**< shows bots */
149	>	#define UMODE_EXTERNAL     0x00001000 /**< show servers introduced and splitting */
150	>	#define UMODE_CALLERID     0x00002000 /**< block unless caller id's */
151	>	#define UMODE_SOFTCALLERID 0x00004000 /**< block unless on common channel */
152	>	#define UMODE_UNAUTH       0x00008000 /**< show unauth connects here */
153	>	#define UMODE_LOCOPS       0x00010000 /**< show locops */
154	>	#define UMODE_DEAF         0x00020000 /**< don't receive channel messages */
155	>	#define UMODE_CCONN_FULL   0x00040000 /**< add unused fields to connection monitoring */
156	>	#define UMODE_REGISTERED   0x00080000 /**< User has identified for that nick. */
157	>	#define UMODE_REGONLY      0x00100000 /**< Only registered nicks may PM */
158	>	#define UMODE_HIDDEN       0x00200000 /**< Operator status is hidden */
159	>	#define UMODE_OPER         0x00400000 /**< Operator */
160	>	#define UMODE_ADMIN        0x00800000 /**< Admin on server */
161	>	#define UMODE_FARCONNECT   0x01000000 /**< Can see remote client connects/exits */
162
163	<	#define UMODE_ALL          UMODE_SERVNOTICE
163	>
164	>	#define UMODE_ALL          UMODE_SERVNOTICE
165
166		#define HasUMode(x, y) ((x)->umodes &   (y))
167		#define AddUMode(x, y) ((x)->umodes |=  (y))
168		#define DelUMode(x, y) ((x)->umodes &= ~(y))
169
170	<	#define SEND_UMODES  (UMODE_INVISIBLE | UMODE_OPER | UMODE_WALLOP | \
171	<	UMODE_REGISTERED | UMODE_ADMIN)
172	<
170	>	#define SEND_UMODES  (UMODE_INVISIBLE | UMODE_OPER | UMODE_WALLOP |\
171	>	UMODE_REGONLY | UMODE_REGISTERED | UMODE_ADMIN |\
172	>	UMODE_HIDDEN)
173
174
175
176		/* oper priv flags */
177	<	#define OPER_FLAG_GLOBAL_KILL  0x00000001 /* oper can global kill        */
178	<	#define OPER_FLAG_REMOTE       0x00000002 /* oper can do squits/connects */
179	<	#define OPER_FLAG_UNKLINE      0x00000004 /* oper can use unkline        */
180	<	#define OPER_FLAG_GLINE        0x00000008 /* oper can use gline          */
181	<	#define OPER_FLAG_N            0x00000010 /* oper can umode n            */
182	<	#define OPER_FLAG_K            0x00000020 /* oper can kill/kline         */
183	<	#define OPER_FLAG_X            0x00000040 /* oper can xline              */
184	<	#define OPER_FLAG_DIE          0x00000080 /* oper can die                */
185	<	#define OPER_FLAG_REHASH       0x00000100 /* oper can rehash             */
186	<	#define OPER_FLAG_ADMIN        0x00000200 /* oper can set umode +a       */
187	<	#define OPER_FLAG_HIDDEN_ADMIN 0x00000400 /* admin is hidden             */
188	<	#define OPER_FLAG_OPERWALL     0x00000800 /* */
189	<	#define OPER_FLAG_OPER_SPY     0x00001000 /* */
190	<	#define OPER_FLAG_REMOTEBAN    0x00002000 /* */
191	<	#define OPER_FLAG_HIDDEN_OPER  0x00004000 /* */
177	>	#define OPER_FLAG_KILL_REMOTE    0x00000001 /**< Oper can global kill        */
178	>	#define OPER_FLAG_KILL           0x00000002 /**< Oper can do local KILL      */
179	>	#define OPER_FLAG_UNKLINE        0x00000004 /**< Oper can use unkline        */
180	>	#define OPER_FLAG_GLINE          0x00000008 /**< Oper can use gline          */
181	>	#define OPER_FLAG_K              0x00000010 /**< Oper can kill/kline         */
182	>	#define OPER_FLAG_X              0x00000020 /**< Oper can xline              */
183	>	#define OPER_FLAG_DIE            0x00000040 /**< Oper can die                */
184	>	#define OPER_FLAG_REHASH         0x00000080 /**< Oper can rehash             */
185	>	#define OPER_FLAG_ADMIN          0x00000100 /**< Oper can set umode +a       */
186	>	#define OPER_FLAG_OPERWALL       0x00000200 /**< Oper can use OPERWALL command */
187	>	#define OPER_FLAG_REMOTEBAN      0x00000400 /**< Oper can set remote bans */
188	>	#define OPER_FLAG_GLOBOPS        0x00000800 /**< Oper can use GLOBOPS command */
189	>	#define OPER_FLAG_MODULE         0x00001000 /**< Oper can use MODULE commands */
190	>	#define OPER_FLAG_RESTART        0x00002000 /**< Oper can use RESTART command */
191	>	#define OPER_FLAG_DLINE          0x00004000 /**< Oper can use DLINE command   */
192	>	#define OPER_FLAG_UNDLINE        0x00008000 /**< Oper can use UNDLINE command */
193	>	#define OPER_FLAG_SET            0x00010000 /**< Oper can use SET command */
194	>	#define OPER_FLAG_SQUIT          0x00020000 /**< Oper can do local SQUIT */
195	>	#define OPER_FLAG_SQUIT_REMOTE   0x00040000 /**< Oper can do global SQUIT */
196	>	#define OPER_FLAG_CONNECT        0x00080000 /**< Oper can do local CONNECT */
197	>	#define OPER_FLAG_CONNECT_REMOTE 0x00100000 /**< Oper can do global CONNECT */
198	>
199	>	#define HasOFlag(x, y) (MyConnect(x) ? (x)->localClient->operflags & (y) : 0)
200	>	#define AddOFlag(x, y) ((x)->localClient->operflags |=  (y))
201	>	#define DelOFlag(x, y) ((x)->localClient->operflags &= ~(y))
202	>	#define ClrOFlag(x)    ((x)->localClient->operflags = 0)
203
409	–	#define SetOFlag(x, y) ((x)->localClient->operflags |= (y))
204
205
206		/* flags macros. */
413	–	#define IsMsgFloodNoticed(x)       ((x)->flags & FLAGS_FLOOD_NOTICED)
414	–	#define SetMsgFloodNoticed(x)      ((x)->flags |= FLAGS_FLOOD_NOTICED)
415	–	#define ClearMsgFloodNoticed(x)    ((x)->flags &= ~FLAGS_FLOOD_NOTICED)
207		#define IsAuthFinished(x)       ((x)->flags & FLAGS_FINISHED_AUTH)
208		#define IsDead(x)               ((x)->flags & FLAGS_DEADSOCKET)
209		#define SetDead(x)              ((x)->flags |= FLAGS_DEADSOCKET)
210		#define IsClosing(x)            ((x)->flags & FLAGS_CLOSING)
211		#define SetClosing(x)           ((x)->flags |= FLAGS_CLOSING)
421	–	#define IsKilled(x)             ((x)->flags & FLAGS_KILLED)
422	–	#define SetKilled(x)            ((x)->flags |= FLAGS_KILLED)
423	–	#define IsCryptIn(x)            ((x)->flags &  FLAGS_CRYPTIN)
424	–	#define SetCryptIn(x)           ((x)->flags |= FLAGS_CRYPTIN)
425	–	#define IsCryptOut(x)           ((x)->flags &  FLAGS_CRYPTOUT)
426	–	#define SetCryptOut(x)          ((x)->flags |= FLAGS_CRYPTOUT)
427	–	#define IsWaitAuth(x)           ((x)->flags &  FLAGS_WAITAUTH)
428	–	#define SetWaitAuth(x)          ((x)->flags |= FLAGS_WAITAUTH)
429	–	#define ClearWaitAuth(x)        ((x)->flags &= ~FLAGS_WAITAUTH)
430	–	#define HasServlink(x)          ((x)->flags &  FLAGS_SERVLINK)
431	–	#define SetServlink(x)          ((x)->flags |= FLAGS_SERVLINK)
432	–	#define MyConnect(x)            ((x)->localClient != NULL)
433	–	#define MyClient(x)             (MyConnect(x) && IsClient(x))
434	–	#define SetMark(x)              ((x)->flags |= FLAGS_MARK)
435	–	#define ClearMark(x)            ((x)->flags &= ~FLAGS_MARK)
436	–	#define IsMarked(x)             ((x)->flags & FLAGS_MARK)
212		#define SetCanFlood(x)          ((x)->flags |= FLAGS_CANFLOOD)
213		#define IsCanFlood(x)           ((x)->flags & FLAGS_CANFLOOD)
214		#define IsDefunct(x)            ((x)->flags & (FLAGS_DEADSOCKET|FLAGS_CLOSING| \
215		FLAGS_KILLED))
216
217		/* oper flags */
218	<	#define MyOper(x)               (MyConnect(x) && IsOper(x))
218	>	#define MyOper(x)               (MyConnect(x) && HasUMode(x, UMODE_OPER))
219
220		#define SetOper(x)              {(x)->umodes |= UMODE_OPER; \
221		if (!IsServer((x))) (x)->handler = OPER_HANDLER;}
222
223		#define ClearOper(x)            {(x)->umodes &= ~(UMODE_OPER|UMODE_ADMIN); \
224	<	if (!IsOper((x)) && !IsServer((x))) \
224	>	if (!HasUMode(x, UMODE_OPER) && !IsServer((x))) \
225		(x)->handler = CLIENT_HANDLER; }
226
452	–	#define IsPrivileged(x)         (IsOper(x) || IsServer(x))
453	–
454	–	/* umode flags */
455	–	#define IsInvisible(x)          ((x)->umodes & UMODE_INVISIBLE)
456	–	#define SendWallops(x)          ((x)->umodes & UMODE_WALLOP)
457	–	#define IsSetCallerId(x)        ((x)->umodes & \
458	–	(UMODE_CALLERID|UMODE_SOFTCALLERID))
459	–	#define IsSoftCallerId(x)       ((x)->umodes & UMODE_SOFTCALLERID)
460	–	#define IsDeaf(x)               ((x)->umodes & UMODE_DEAF)
461	–	#define IsFull(x)               ((x)->umodes & UMODE_CCONN_FULL)
462	–
227		#define SetSendQExceeded(x)     ((x)->flags |= FLAGS_SENDQEX)
228		#define IsSendQExceeded(x)      ((x)->flags &  FLAGS_SENDQEX)
229
#	Line 475 | Line 239 | struct LocalUser
239		#define IsPingSent(x)           ((x)->flags & FLAGS_PINGSENT)
240		#define ClearPingSent(x)        ((x)->flags &= ~FLAGS_PINGSENT)
241
478	–	#define SetPingWarning(x)       ((x)->flags |= FLAGS_PINGWARNING)
479	–	#define IsPingWarning(x)        ((x)->flags & FLAGS_PINGWARNING)
480	–	#define ClearPingWarning(x)     ((x)->flags &= ~FLAGS_PINGWARNING)
481	–
242		#define SetNeedId(x)            ((x)->flags |= FLAGS_NEEDID)
243		#define IsNeedId(x)             ((x)->flags & FLAGS_NEEDID)
244
#	Line 496 | Line 256 | struct LocalUser
256		#define SetIPSpoof(x)           ((x)->flags |= FLAGS_IP_SPOOFING)
257		#define IsIPSpoof(x)            ((x)->flags & FLAGS_IP_SPOOFING)
258
499	–	#define IsIdlelined(x)          ((x)->flags &  FLAGS_IDLE_LINED)
500	–	#define SetIdlelined(x)         ((x)->flags |= FLAGS_IDLE_LINED)
501	–	#define IsRestricted(x)         ((x)->flags &  FLAGS_RESTRICTED)
502	–	#define SetRestricted(x)        ((x)->flags |= FLAGS_RESTRICTED)
503	–
259		#define IsFloodDone(x)          ((x)->flags &  FLAGS_FLOODDONE)
260		#define SetFloodDone(x)         ((x)->flags |= FLAGS_FLOODDONE)
261		#define HasPingCookie(x)        ((x)->flags & FLAGS_PING_COOKIE)
262		#define SetPingCookie(x)        ((x)->flags |= FLAGS_PING_COOKIE)
263		#define IsHidden(x)             ((x)->flags &  FLAGS_HIDDEN)
264		#define SetHidden(x)            ((x)->flags |= FLAGS_HIDDEN)
510	–	#define IsService(x)            ((x)->flags &  FLAGS_SERVICE)
511	–	#define SetService(x)           ((x)->flags |= FLAGS_SERVICE)
265
266		#define IsSendqBlocked(x)       ((x)->flags &  FLAGS_BLOCKED)
267		#define SetSendqBlocked(x)      ((x)->flags |= FLAGS_BLOCKED)
268		#define ClearSendqBlocked(x)    ((x)->flags &= ~FLAGS_BLOCKED)
516	–	#define IsSlinkqBlocked(x)      ((x)->flags &  FLAGS_SBLOCKED)
517	–	#define SetSlinkqBlocked(x)     ((x)->flags |= FLAGS_SBLOCKED)
518	–	#define ClearSlinkqBlocked(x)   ((x)->flags &= ~FLAGS_SBLOCKED)
519	–
520	–	#define IsBursted(x)            ((x)->flags &  FLAGS_BURSTED)
521	–	#define SetBursted(x)           ((x)->flags |= FLAGS_BURSTED)
522	–	#define ClearBursted(x)         ((x)->flags &= ~FLAGS_BURSTED)
523	–
524	–	#define IsCaptured(x)           ((x)->handler == DUMMY_HANDLER)
525	–	#define SetCaptured(x)          ((x)->handler = DUMMY_HANDLER)
526	–	#define ClearCaptured(x)        ((x)->handler = CLIENT_HANDLER)
527	–
528	–	/* operflags macros */
529	–	#define ClearOperFlags(x)       ((x)->localClient->operflags = 0)
530	–	#define IsOperGlobalKill(x)     (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_GLOBAL_KILL : 0)
531	–	#define IsOperRemote(x)         (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_REMOTE : 0)
532	–	#define IsOperUnkline(x)        (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_UNKLINE : 0)
533	–	#define IsOperGline(x)          (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_GLINE : 0)
534	–	#define IsOperN(x)              (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_N : 0)
535	–	#define IsOperK(x)              (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_K : 0)
536	–	#define IsOperDie(x)            (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_DIE : 0)
537	–	#define IsOperRehash(x)         (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_REHASH : 0)
538	–	#define IsOperAdmin(x)          (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_ADMIN : 0)
539	–	#define IsOperHiddenAdmin(x)    (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_HIDDEN_ADMIN : 0)
540	–	#define IsOperX(x)              (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_X : 0)
541	–	#define IsOperWall(x)           (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_OPERWALL : 0)
542	–	#define IsOperRemoteBan(x)      (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_REMOTEBAN : 0)
543	–	#define IsOperHidden(x)         (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_HIDDEN_OPER : 0)
269
270	<	/*
271	<	* definitions for get_client_name
272	<	* TBD - make this an enum
270	>
271	>	/*! \brief addr_mask_type enumeration */
272	>	enum addr_mask_type
273	>	{
274	>	HIDE_IP, /**< IP is hidden. Resolved hostname is shown instead */
275	>	SHOW_IP, /**< IP is shown. No parts of it are hidden or masked */
276	>	MASK_IP  /**< IP is masked. 255.255.255.255 is shown instead */
277	>	};
278	>
279	>	/*! \brief Server structure */
280	>	struct Server
281	>	{
282	>	dlink_list server_list; /**< Servers on this server */
283	>	dlink_list client_list; /**< Clients on this server */
284	>	char by[NICKLEN + 1];   /**< who activated this connection */
285	>	};
286	>
287	>	/*! \brief ListTask structure */
288	>	struct ListTask
289	>	{
290	>	dlink_list show_mask; /**< show these channels.. */
291	>	dlink_list hide_mask; /**< ..and hide these ones */
292	>
293	>	unsigned int hash_index; /**< the bucket we are currently in */
294	>	unsigned int users_min;
295	>	unsigned int users_max;
296	>	unsigned int created_min;
297	>	unsigned int created_max;
298	>	unsigned int topicts_min;
299	>	unsigned int topicts_max;
300	>	};
301	>
302	>	/*! \brief LocalUser structure
303	>	*
304	>	* Allocated only for local clients, that are directly connected
305	>	* to \b this server with a socket.
306		*/
307	<	#define HIDE_IP 0
308	<	#define SHOW_IP 1
309	<	#define MASK_IP 2
307	>	struct LocalUser
308	>	{
309	>	dlink_node   lclient_node;
310	>
311	>	char         client_host[HOSTLEN + 1];
312	>	char         client_server[HOSTLEN + 1];
313	>
314	>	unsigned int registration;
315	>	unsigned int cap_client;    /**< Client capabilities (from us) */
316	>	unsigned int cap_active;    /**< Active capabilities (to us) */
317	>	unsigned int       caps;       /**< capabilities bit-field */
318	>
319	>	unsigned int operflags;     /**< IRC Operator privilege flags */
320	>	unsigned int random_ping; /**< Holding a 32bit value used for PING cookies */
321	>
322	>	unsigned int serial;     /**< used to enforce 1 send per nick */
323	>
324	>	time_t       lasttime;   /**< ...should be only LOCAL clients? --msa */
325	>	time_t       firsttime;  /**< time client was created */
326	>	time_t       since;      /**< last time we parsed something */
327	>	time_t       last_knock;    /**< time of last knock */
328	>	time_t       last_join_time;   /**< when this client last
329	>	joined a channel */
330	>	time_t       last_leave_time;  /**< when this client last
331	>	* left a channel */
332	>	int          join_leave_count; /**< count of JOIN/LEAVE in less than
333	>	MIN_JOIN_LEAVE_TIME seconds */
334	>	int          oper_warn_count_down; /**< warn opers of this possible
335	>	spambot every time this gets to 0 */
336	>	time_t       last_caller_id_time;
337	>	time_t       first_received_message_time;
338	>	time_t       last_nick_change;
339	>	time_t       last_privmsg; /**< Last time we got a PRIVMSG */
340	>	time_t       last_away; /**< Away since... */
341	>
342	>	int          received_number_of_privmsgs;
343	>	unsigned int number_of_nick_changes;
344	>
345	>	struct ListTask  *list_task;
346	>
347	>	struct dbuf_queue buf_sendq;
348	>	struct dbuf_queue buf_recvq;
349	>
350	>	struct {
351	>	unsigned int messages;      /**< Statistics: protocol messages sent/received */
352	>	uint64_t bytes;             /**< Statistics: total bytes sent/received */
353	>	} recv, send;
354	>
355	>	struct AuthRequest *auth;
356	>	struct Listener *listener;   /**< listener accepted from */
357	>	dlink_list        acceptlist; /**< clients I'll allow to talk to me */
358	>	dlink_list        watches;   /**< chain of Watch pointer blocks */
359	>	dlink_list        confs;     /**< Configuration record associated */
360	>	dlink_list        invited;   /**< chain of invite pointer blocks */
361	>	struct irc_ssaddr ip;
362	>	int               aftype;    /**< Makes life easier for DNS res in IPV6 */
363	>	int               country_id; /**< ID corresponding to a ISO 3166 country code */
364	>
365	>	char              *passwd;
366	>	fde_t             fd;
367	>	/* Anti-flood stuff. We track how many messages were parsed and how
368	>	* many we were allowed in the current second, and apply a simple
369	>	* decay to avoid flooding.
370	>	*   -- adrian
371	>	*/
372	>	int allow_read;       /**< how many we're allowed to read in this second */
373	>	int sent_parsed;      /**< how many messages we've parsed in this second */
374	>
375	>	char*          response;  /**< expected response from client */
376	>	char*          auth_oper; /**< Operator to become if they supply the response.*/
377	>	};
378	>
379	>	/*! \brief Client structure */
380	>	struct Client
381	>	{
382	>	dlink_node node;
383	>	dlink_node lnode;             /**< Used for Server->servers/users */
384	>
385	>	struct LocalUser *localClient;
386	>	struct Client    *hnext;      /**< For client hash table lookups by name */
387	>	struct Client    *idhnext;    /**< For SID hash table lookups by sid */
388	>	struct Server    *serv;       /**< ...defined, if this is a server */
389	>	struct Client    *servptr;    /**< Points to server this Client is on */
390	>	struct Client    *from;       /**< == self, if Local Client, *NEVER* NULL! */
391	>
392	>	time_t            tsinfo;     /**< TS on the nick, SVINFO on server */
393	>
394	>	unsigned int      flags;      /**< client flags */
395	>	unsigned int      umodes;     /**< opers, normal users subset */
396	>	unsigned int      hopcount;   /**< number of servers to this 0 = local */
397	>	unsigned int      status;     /**< Client type */
398	>	unsigned int      handler;    /**< Handler index */
399	>
400	>	dlink_list        whowas;
401	>	dlink_list        channel;   /**< chain of channel pointer blocks */
402	>
403	>	char away[AWAYLEN + 1]; /**< Client's AWAY message. Can be set/unset via AWAY command */
404	>	char name[HOSTLEN + 1]; /**< unique name for a client nick or host */
405	>	char svid[HOSTLEN + 1]; /**< Services ID. XXX: Going with HOSTLEN for now. NICKLEN might be too small
406	>	if dealing with timestamps */
407	>	char id[IDLEN + 1];       /**< client ID, unique ID per client */
408	>	/*
409	>	* client->username is the username from ident or the USER message,
410	>	* If the client is idented the USER message is ignored, otherwise
411	>	* the username part of the USER message is put here prefixed with a
412	>	* tilde depending on the auth{} block. Once a client has registered,
413	>	* this field should be considered read-only.
414	>	*/
415	>	char              username[USERLEN + 1]; /* client's username */
416	>	/*
417	>	* client->host contains the resolved name or ip address
418	>	* as a string for the user, it may be fiddled with for oper spoofing etc.
419	>	* once it's changed the *real* address goes away. This should be
420	>	* considered a read-only field after the client has registered.
421	>	*/
422	>	char              host[HOSTLEN + 1];     /* client's hostname */
423	>
424	>	/*
425	>	* client->info for unix clients will normally contain the info from the
426	>	* gcos field in /etc/passwd but anything can go here.
427	>	*/
428	>	char              info[REALLEN + 1]; /* Free form additional client info */
429	>
430	>	/*
431	>	* client->sockhost contains the ip address gotten from the socket as a
432	>	* string, this field should be considered read-only once the connection
433	>	* has been made. (set in s_bsd.c only)
434	>	*/
435	>	char              sockhost[HOSTIPLEN + 1]; /* This is the host name from the
436	>	socket ip address as string */
437	>	};
438	>
439
440		extern struct Client me;
441		extern dlink_list listing_client_list;
442		extern dlink_list global_client_list;
443	+	extern dlink_list unknown_list;       /* unknown clients ON this server only        */
444	+	extern dlink_list local_client_list;  /* local clients only ON this server          */
445	+	extern dlink_list serv_list;          /* local servers to this server ONLY          */
446	+	extern dlink_list global_serv_list;   /* global servers on the network              */
447	+	extern dlink_list oper_list;          /* our opers, duplicated in local_client_list */
448
449		extern int accept_message(struct Client *, struct Client *);
450	+	extern unsigned int idle_time_get(const struct Client *, const struct Client *);
451		extern struct split_nuh_item *find_accept(const char *, const char *,
452		const char *, struct Client *, int);
453		extern void del_accept(struct split_nuh_item *, struct Client *);
454		extern void del_all_accepts(struct Client *);
455		extern void exit_client(struct Client *, struct Client *, const char *);
456		extern void check_conf_klines(void);
457	<	extern void init_client(void);
565	<	extern void change_local_nick(struct Client *, struct Client *, const char *);
457	>	extern void client_init(void);
458		extern void dead_link_on_write(struct Client *, int);
459		extern void dead_link_on_read(struct Client *, int);
460		extern void exit_aborted_clients(void);
#	Line 570 | Line 462 | extern void free_exited_clients(void);
462		extern struct Client *make_client(struct Client *);
463		extern struct Client *find_chasing(struct Client *, struct Client *, const char *, int *);
464		extern struct Client *find_person(const struct Client *const, const char *);
465	<	extern const char *get_client_name(const struct Client *, int);
465	>	extern const char *get_client_name(const struct Client *, enum addr_mask_type);
466
467		#endif /* INCLUDED_client_h */

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