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

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ircd-hybrid-7.3/include/client.h (file contents), Revision 1113 by michael, Sat Dec 18 22:44:10 2010 UTC vs.
ircd-hybrid/trunk/include/client.h (file contents), Revision 2138 by michael, Wed May 29 21:14:02 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	–	uint64_t          flags;      /* client flags */
109	–
110	–	unsigned int      umodes;     /* opers, normal users subset */
111	–	unsigned int      hopcount;   /* number of servers to this 0 = local */
112	–	unsigned int      status;     /* Client type */
113	–	unsigned int      handler;    /* Handler index */
114	–
115	–	dlink_list        channel;   /* chain of channel pointer blocks */
116	–
117	–	/*
118	–	* client->name is the unique name for a client nick or host
119	–	*/
120	–	char name[HOSTLEN + 1];
121	–	char id[IDLEN + 1];       /* client ID, unique ID per client */
122	–
123	–	/*
124	–	* client->username is the username from ident or the USER message,
125	–	* If the client is idented the USER message is ignored, otherwise
126	–	* the username part of the USER message is put here prefixed with a
127	–	* tilde depending on the I:line, Once a client has registered, this
128	–	* field should be considered read-only.
129	–	*/
130	–	char              username[USERLEN + 1]; /* client's username */
131	–
132	–	/*
133	–	* client->host contains the resolved name or ip address
134	–	* as a string for the user, it may be fiddled with for oper spoofing etc.
135	–	* once it's changed the *real* address goes away. This should be
136	–	* considered a read-only field after the client has registered.
137	–	*/
138	–	char              host[HOSTLEN + 1];     /* client's hostname */
139	–
140	–	/*
141	–	* client->info for unix clients will normally contain the info from the
142	–	* gcos field in /etc/passwd but anything can go here.
143	–	*/
144	–	char              info[REALLEN + 1]; /* Free form additional client info */
145	–
146	–	/*
147	–	* client->sockhost contains the ip address gotten from the socket as a
148	–	* string, this field should be considered read-only once the connection
149	–	* has been made. (set in s_bsd.c only)
150	–	*/
151	–	char              sockhost[HOSTIPLEN + 1]; /* This is the host name from the
152	–	socket ip address as string */
153	–	};
154	–
155	–	struct LocalUser
156	–	{
157	–	/*
158	–	* The following fields are allocated only for local clients
159	–	* (directly connected to *this* server with a socket.
160	–	*/
161	–	dlink_node   lclient_node;
162	–
163	–	char         client_host[HOSTLEN + 1];
164	–	char         client_server[HOSTLEN + 1];
165	–
166	–	unsigned int registration;
167	–	unsigned int cap_client;    /* Client capabilities (from us) */
168	–	unsigned int cap_active;    /* Active capabilities (to us) */
169	–
170	–	unsigned int operflags;     /* oper priv flags */
171	–	unsigned int random_ping;
172	–
173	–	unsigned int serial;     /* used to enforce 1 send per nick */
174	–
175	–	/* Anti flooding part, all because of lamers... */
176	–	time_t       last_knock;    /* time of last knock */
177	–	time_t       last_away; /* Away since... */
178	–	time_t       last_join_time;   /* when this client last
179	–	joined a channel */
180	–	time_t       last_leave_time;  /* when this client last
181	–	* left a channel */
182	–	int          join_leave_count; /* count of JOIN/LEAVE in less than
183	–	MIN_JOIN_LEAVE_TIME seconds */
184	–	int          oper_warn_count_down; /* warn opers of this possible
185	–	spambot every time this gets to 0 */
186	–	time_t       reject_delay;
187	–	time_t       last_caller_id_time;
188	–	time_t       first_received_message_time;
189	–	time_t       last_nick_change;
190	–
191	–	int          received_number_of_privmsgs;
192	–	unsigned int number_of_nick_changes;
193	–
194	–	struct ListTask  *list_task;
195	–	/* Send and receive dbufs .. */
196	–	struct dbuf_queue buf_sendq;
197	–	struct dbuf_queue buf_recvq;
198	–
199	–	struct {
200	–	unsigned int messages;      /* Statistics: protocol messages sent/received */
201	–	uint64_t bytes;             /* Statistics: total bytes sent/received */
202	–	} recv, send;
203	–
204	–	struct AuthRequest *auth;
205	–	struct Listener *listener;   /* listener accepted from */
206	–	dlink_list        acceptlist; /* clients I'll allow to talk to me */
207	–	dlink_list        watches;   /* chain of Watch pointer blocks */
208	–	dlink_list        confs;     /* Configuration record associated */
209	–	dlink_list        invited;   /* chain of invite pointer blocks */
210	–	struct irc_ssaddr ip;
211	–	int               aftype;     /* Makes life easier for DNS res in IPV6 */
212	–	time_t last; /* Last time we got a PRIVMSG */
213	–
214	–	char              *passwd;
215	–	unsigned int       caps;       /* capabilities bit-field */
216	–	unsigned int       enc_caps;   /* cipher capabilities bit-field */
217	–
218	–	#ifdef HAVE_LIBCRYPTO
219	–	struct EncCapability *in_cipher;
220	–	struct EncCapability *out_cipher;
221	–
222	–	char              in_key[CIPHERKEYLEN];
223	–	char              out_key[CIPHERKEYLEN];
224	–	#endif
225	–
226	–	fde_t             fd;
227	–	fde_t             ctrlfd;     /* For servers: control fd used for sending commands
228	–	to servlink */
229	–
230	–	struct SlinkRpl  slinkrpl;    /* slink reply being parsed */
231	–	char    *slinkq;              /* sendq for control data */
232	–	int              slinkq_ofs;  /* ofset into slinkq */
233	–	int              slinkq_len;  /* length remaining after slinkq_ofs */
234	–
235	–	struct ZipStats  zipstats;
236	–
237	–	/* Anti-flood stuff. We track how many messages were parsed and how
238	–	* many we were allowed in the current second, and apply a simple
239	–	* decay to avoid flooding.
240	–	*   -- adrian
241	–	*/
242	–	int allow_read;       /* how many we're allowed to read in this second */
243	–	int sent_parsed;      /* how many messages we've parsed in this second */
244	–
245	–	char*          response;  /* expected response from client */
246	–	char*          auth_oper; /* Operator to become if they supply the response.*/
247	–	};
37
38		/*
39		* status macros.
#	Line 273 | Line 62 | struct LocalUser
62		#define IsServer(x)             ((x)->status == STAT_SERVER)
63		#define IsClient(x)             ((x)->status == STAT_CLIENT)
64
276	–	#define IsOper(x)               ((x)->umodes & UMODE_OPER)
277	–	#define IsAdmin(x)              ((x)->umodes & UMODE_ADMIN)
278	–
65		#define SetConnecting(x)        {(x)->status = STAT_CONNECTING; \
66		(x)->handler = UNREGISTERED_HANDLER; }
67
#	Line 292 | 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	<	#ifdef TS5_ONLY
306	<	#define TS_MIN          5
307	<	#else
308	<	#define TS_MIN          3       /* minimum supported TS protocol version */
309	<	#endif
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      */
349	<	#define FLAGS_FINISHED_AUTH 0x0000000080000000 /* Client has been released from auth       */
350	<	#define FLAGS_FLOOD_NOTICED 0x0000000100000000
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	>	#define FLAGS_AUTH_SPOOF     0x04000000 /**< user's hostname has been spoofed by an auth{} spoof*/
130	>
131	>	#define HasFlag(x, y) ((x)->flags &   (y))
132	>	#define AddFlag(x, y) ((x)->flags |=  (y))
133	>	#define DelFlag(x, y) ((x)->flags &= ~(y))
134
135
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	–
374	–	/* user information flags, only settable by remote mode or local oper */
375	–	#define UMODE_OPER         0x40000000 /* Operator */
376	–	#define UMODE_ADMIN        0x80000000 /* Admin on server */
136
137	<	#define UMODE_ALL          UMODE_SERVNOTICE
137	>	/* umodes, settable flags */
138	>	#define UMODE_SERVNOTICE   0x00000001 /**< server notices such as kill */
139	>	#define UMODE_CCONN        0x00000002 /**< Client Connections */
140	>	#define UMODE_REJ          0x00000004 /**< Bot Rejections */
141	>	#define UMODE_SKILL        0x00000008 /**< Server Killed */
142	>	#define UMODE_FULL         0x00000010 /**< Full messages */
143	>	#define UMODE_SPY          0x00000020 /**< see STATS / LINKS */
144	>	#define UMODE_DEBUG        0x00000040 /**< 'debugging' info */
145	>	#define UMODE_NCHANGE      0x00000080 /**< Nick change notice */
146	>	#define UMODE_WALLOP       0x00000100 /**< send wallops to them */
147	>	#define UMODE_OPERWALL     0x00000200 /**< Operwalls */
148	>	#define UMODE_INVISIBLE    0x00000400 /**< makes user invisible */
149	>	#define UMODE_BOTS         0x00000800 /**< shows bots */
150	>	#define UMODE_EXTERNAL     0x00001000 /**< show servers introduced and splitting */
151	>	#define UMODE_CALLERID     0x00002000 /**< block unless caller id's */
152	>	#define UMODE_SOFTCALLERID 0x00004000 /**< block unless on common channel */
153	>	#define UMODE_UNAUTH       0x00008000 /**< show unauth connects here */
154	>	#define UMODE_LOCOPS       0x00010000 /**< show locops */
155	>	#define UMODE_DEAF         0x00020000 /**< don't receive channel messages */
156	>	#define UMODE_CCONN_FULL   0x00040000 /**< add unused fields to connection monitoring */
157	>	#define UMODE_REGISTERED   0x00080000 /**< User has identified for that nick. */
158	>	#define UMODE_REGONLY      0x00100000 /**< Only registered nicks may PM */
159	>	#define UMODE_HIDDEN       0x00200000 /**< Operator status is hidden */
160	>	#define UMODE_OPER         0x00400000 /**< Operator */
161	>	#define UMODE_ADMIN        0x00800000 /**< Admin on server */
162	>	#define UMODE_FARCONNECT   0x01000000 /**< Can see remote client connects/exits */
163	>	#define UMODE_HIDDENHOST   0x02000000 /**< User's host is hidden */
164	>
165	>
166	>	#define UMODE_ALL          UMODE_SERVNOTICE
167	>
168	>	#define HasUMode(x, y) ((x)->umodes &   (y))
169	>	#define AddUMode(x, y) ((x)->umodes |=  (y))
170	>	#define DelUMode(x, y) ((x)->umodes &= ~(y))
171	>
172	>	#define SEND_UMODES  (UMODE_INVISIBLE | UMODE_OPER | UMODE_WALLOP |\
173	>	UMODE_REGONLY | UMODE_REGISTERED | UMODE_ADMIN |\
174	>	UMODE_HIDDEN)
175
380	–	#define SEND_UMODES  (UMODE_INVISIBLE | UMODE_OPER | UMODE_WALLOP | \
381	–	UMODE_ADMIN)
176
177
178		/* oper priv flags */
179	<	#define OPER_FLAG_GLOBAL_KILL  0x00000001 /* oper can global kill        */
180	<	#define OPER_FLAG_REMOTE       0x00000002 /* oper can do squits/connects */
181	<	#define OPER_FLAG_UNKLINE      0x00000004 /* oper can use unkline        */
182	<	#define OPER_FLAG_GLINE        0x00000008 /* oper can use gline          */
183	<	#define OPER_FLAG_N            0x00000010 /* oper can umode n            */
184	<	#define OPER_FLAG_K            0x00000020 /* oper can kill/kline         */
185	<	#define OPER_FLAG_X            0x00000040 /* oper can xline              */
186	<	#define OPER_FLAG_DIE          0x00000080 /* oper can die                */
187	<	#define OPER_FLAG_REHASH       0x00000100 /* oper can rehash             */
188	<	#define OPER_FLAG_ADMIN        0x00000200 /* oper can set umode +a       */
189	<	#define OPER_FLAG_HIDDEN_ADMIN 0x00000400 /* admin is hidden             */
190	<	#define OPER_FLAG_OPERWALL     0x00000800 /* */
191	<	#define OPER_FLAG_OPER_SPY     0x00001000 /* */
192	<	#define OPER_FLAG_REMOTEBAN    0x00002000 /* */
193	<	#define OPER_FLAG_HIDDEN_OPER  0x00004000 /* */
179	>	#define OPER_FLAG_KILL_REMOTE    0x00000001 /**< Oper can global kill        */
180	>	#define OPER_FLAG_KILL           0x00000002 /**< Oper can do local KILL      */
181	>	#define OPER_FLAG_UNKLINE        0x00000004 /**< Oper can use unkline        */
182	>	#define OPER_FLAG_GLINE          0x00000008 /**< Oper can use gline          */
183	>	#define OPER_FLAG_K              0x00000010 /**< Oper can kill/kline         */
184	>	#define OPER_FLAG_X              0x00000020 /**< Oper can xline              */
185	>	#define OPER_FLAG_DIE            0x00000040 /**< Oper can die                */
186	>	#define OPER_FLAG_REHASH         0x00000080 /**< Oper can rehash             */
187	>	#define OPER_FLAG_ADMIN          0x00000100 /**< Oper can set umode +a       */
188	>	#define OPER_FLAG_OPERWALL       0x00000200 /**< Oper can use OPERWALL command */
189	>	#define OPER_FLAG_REMOTEBAN      0x00000400 /**< Oper can set remote bans */
190	>	#define OPER_FLAG_GLOBOPS        0x00000800 /**< Oper can use GLOBOPS command */
191	>	#define OPER_FLAG_MODULE         0x00001000 /**< Oper can use MODULE commands */
192	>	#define OPER_FLAG_RESTART        0x00002000 /**< Oper can use RESTART command */
193	>	#define OPER_FLAG_DLINE          0x00004000 /**< Oper can use DLINE command   */
194	>	#define OPER_FLAG_UNDLINE        0x00008000 /**< Oper can use UNDLINE command */
195	>	#define OPER_FLAG_SET            0x00010000 /**< Oper can use SET command */
196	>	#define OPER_FLAG_SQUIT          0x00020000 /**< Oper can do local SQUIT */
197	>	#define OPER_FLAG_SQUIT_REMOTE   0x00040000 /**< Oper can do global SQUIT */
198	>	#define OPER_FLAG_CONNECT        0x00080000 /**< Oper can do local CONNECT */
199	>	#define OPER_FLAG_CONNECT_REMOTE 0x00100000 /**< Oper can do global CONNECT */
200	>	#define OPER_FLAG_WALLOPS        0x00200000 /**< Oper can do WALLOPS */
201	>	#define OPER_FLAG_LOCOPS         0x00400000 /**< Oper can do LOCOPS */
202	>
203	>	#define HasOFlag(x, y) (MyConnect(x) ? (x)->localClient->operflags & (y) : 0)
204	>	#define AddOFlag(x, y) ((x)->localClient->operflags |=  (y))
205	>	#define DelOFlag(x, y) ((x)->localClient->operflags &= ~(y))
206	>	#define ClrOFlag(x)    ((x)->localClient->operflags = 0)
207
401	–	#define SetOFlag(x, y) ((x)->localClient->operflags |= (y))
208
209
210		/* flags macros. */
405	–	#define IsMsgFloodNoticed(x)       ((x)->flags & FLAGS_FLOOD_NOTICED)
406	–	#define SetMsgFloodNoticed(x)      ((x)->flags |= FLAGS_FLOOD_NOTICED)
407	–	#define ClearMsgFloodNoticed(x)    ((x)->flags &= ~FLAGS_FLOOD_NOTICED)
211		#define IsAuthFinished(x)       ((x)->flags & FLAGS_FINISHED_AUTH)
212		#define IsDead(x)               ((x)->flags & FLAGS_DEADSOCKET)
213		#define SetDead(x)              ((x)->flags |= FLAGS_DEADSOCKET)
214		#define IsClosing(x)            ((x)->flags & FLAGS_CLOSING)
215		#define SetClosing(x)           ((x)->flags |= FLAGS_CLOSING)
413	–	#define IsKilled(x)             ((x)->flags & FLAGS_KILLED)
414	–	#define SetKilled(x)            ((x)->flags |= FLAGS_KILLED)
415	–	#define IsCryptIn(x)            ((x)->flags &  FLAGS_CRYPTIN)
416	–	#define SetCryptIn(x)           ((x)->flags |= FLAGS_CRYPTIN)
417	–	#define IsCryptOut(x)           ((x)->flags &  FLAGS_CRYPTOUT)
418	–	#define SetCryptOut(x)          ((x)->flags |= FLAGS_CRYPTOUT)
419	–	#define IsWaitAuth(x)           ((x)->flags &  FLAGS_WAITAUTH)
420	–	#define SetWaitAuth(x)          ((x)->flags |= FLAGS_WAITAUTH)
421	–	#define ClearWaitAuth(x)        ((x)->flags &= ~FLAGS_WAITAUTH)
422	–	#define HasServlink(x)          ((x)->flags &  FLAGS_SERVLINK)
423	–	#define SetServlink(x)          ((x)->flags |= FLAGS_SERVLINK)
424	–	#define MyConnect(x)            ((x)->localClient != NULL)
425	–	#define MyClient(x)             (MyConnect(x) && IsClient(x))
426	–	#define SetMark(x)              ((x)->flags |= FLAGS_MARK)
427	–	#define ClearMark(x)            ((x)->flags &= ~FLAGS_MARK)
428	–	#define IsMarked(x)             ((x)->flags & FLAGS_MARK)
216		#define SetCanFlood(x)          ((x)->flags |= FLAGS_CANFLOOD)
217		#define IsCanFlood(x)           ((x)->flags & FLAGS_CANFLOOD)
218		#define IsDefunct(x)            ((x)->flags & (FLAGS_DEADSOCKET|FLAGS_CLOSING| \
219		FLAGS_KILLED))
220
221		/* oper flags */
222	<	#define MyOper(x)               (MyConnect(x) && IsOper(x))
222	>	#define MyOper(x)               (MyConnect(x) && HasUMode(x, UMODE_OPER))
223
224		#define SetOper(x)              {(x)->umodes |= UMODE_OPER; \
225		if (!IsServer((x))) (x)->handler = OPER_HANDLER;}
226
227		#define ClearOper(x)            {(x)->umodes &= ~(UMODE_OPER|UMODE_ADMIN); \
228	<	if (!IsOper((x)) && !IsServer((x))) \
228	>	if (!HasUMode(x, UMODE_OPER) && !IsServer((x))) \
229		(x)->handler = CLIENT_HANDLER; }
230
444	–	#define IsPrivileged(x)         (IsOper(x) || IsServer(x))
445	–
446	–	/* umode flags */
447	–	#define IsInvisible(x)          ((x)->umodes & UMODE_INVISIBLE)
448	–	#define SendWallops(x)          ((x)->umodes & UMODE_WALLOP)
449	–	#define IsSetCallerId(x)        ((x)->umodes & \
450	–	(UMODE_CALLERID|UMODE_SOFTCALLERID))
451	–	#define IsSoftCallerId(x)       ((x)->umodes & UMODE_SOFTCALLERID)
452	–	#define IsDeaf(x)               ((x)->umodes & UMODE_DEAF)
453	–	#define IsFull(x)               ((x)->umodes & UMODE_CCONN_FULL)
454	–
231		#define SetSendQExceeded(x)     ((x)->flags |= FLAGS_SENDQEX)
232		#define IsSendQExceeded(x)      ((x)->flags &  FLAGS_SENDQEX)
233
#	Line 467 | Line 243 | struct LocalUser
243		#define IsPingSent(x)           ((x)->flags & FLAGS_PINGSENT)
244		#define ClearPingSent(x)        ((x)->flags &= ~FLAGS_PINGSENT)
245
470	–	#define SetPingWarning(x)       ((x)->flags |= FLAGS_PINGWARNING)
471	–	#define IsPingWarning(x)        ((x)->flags & FLAGS_PINGWARNING)
472	–	#define ClearPingWarning(x)     ((x)->flags &= ~FLAGS_PINGWARNING)
473	–
246		#define SetNeedId(x)            ((x)->flags |= FLAGS_NEEDID)
247		#define IsNeedId(x)             ((x)->flags & FLAGS_NEEDID)
248
#	Line 487 | Line 259 | struct LocalUser
259		#define SetExemptResv(x)        ((x)->flags |= FLAGS_EXEMPTRESV)
260		#define SetIPSpoof(x)           ((x)->flags |= FLAGS_IP_SPOOFING)
261		#define IsIPSpoof(x)            ((x)->flags & FLAGS_IP_SPOOFING)
262	<
491	<	#define IsIdlelined(x)          ((x)->flags &  FLAGS_IDLE_LINED)
492	<	#define SetIdlelined(x)         ((x)->flags |= FLAGS_IDLE_LINED)
493	<	#define IsRestricted(x)         ((x)->flags &  FLAGS_RESTRICTED)
494	<	#define SetRestricted(x)        ((x)->flags |= FLAGS_RESTRICTED)
262	>	#define DelIPSpoof(x)           ((x)->flags &= ~FLAGS_IP_SPOOFING)
263
264		#define IsFloodDone(x)          ((x)->flags &  FLAGS_FLOODDONE)
265		#define SetFloodDone(x)         ((x)->flags |= FLAGS_FLOODDONE)
#	Line 503 | Line 271 | struct LocalUser
271		#define IsSendqBlocked(x)       ((x)->flags &  FLAGS_BLOCKED)
272		#define SetSendqBlocked(x)      ((x)->flags |= FLAGS_BLOCKED)
273		#define ClearSendqBlocked(x)    ((x)->flags &= ~FLAGS_BLOCKED)
506	–	#define IsSlinkqBlocked(x)      ((x)->flags &  FLAGS_SBLOCKED)
507	–	#define SetSlinkqBlocked(x)     ((x)->flags |= FLAGS_SBLOCKED)
508	–	#define ClearSlinkqBlocked(x)   ((x)->flags &= ~FLAGS_SBLOCKED)
509	–
510	–	#define IsBursted(x)            ((x)->flags &  FLAGS_BURSTED)
511	–	#define SetBursted(x)           ((x)->flags |= FLAGS_BURSTED)
512	–	#define ClearBursted(x)         ((x)->flags &= ~FLAGS_BURSTED)
513	–
514	–	#define IsCaptured(x)           ((x)->handler == DUMMY_HANDLER)
515	–	#define SetCaptured(x)          ((x)->handler = DUMMY_HANDLER)
516	–	#define ClearCaptured(x)        ((x)->handler = CLIENT_HANDLER)
517	–
518	–	/* operflags macros */
519	–	#define ClearOperFlags(x)       ((x)->localClient->operflags = 0)
520	–	#define IsOperGlobalKill(x)     (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_GLOBAL_KILL : 0)
521	–	#define IsOperRemote(x)         (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_REMOTE : 0)
522	–	#define IsOperUnkline(x)        (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_UNKLINE : 0)
523	–	#define IsOperGline(x)          (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_GLINE : 0)
524	–	#define IsOperN(x)              (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_N : 0)
525	–	#define IsOperK(x)              (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_K : 0)
526	–	#define IsOperDie(x)            (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_DIE : 0)
527	–	#define IsOperRehash(x)         (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_REHASH : 0)
528	–	#define IsOperAdmin(x)          (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_ADMIN : 0)
529	–	#define IsOperHiddenAdmin(x)    (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_HIDDEN_ADMIN : 0)
530	–	#define IsOperX(x)              (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_X : 0)
531	–	#define IsOperWall(x)           (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_OPERWALL : 0)
532	–	#define IsOperRemoteBan(x)      (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_REMOTEBAN : 0)
533	–	#define IsOperHidden(x)         (MyConnect(x) ? (x)->localClient->operflags & OPER_FLAG_HIDDEN_OPER : 0)
274
275	<	/*
276	<	* definitions for get_client_name
277	<	* TBD - make this an enum
275	>
276	>	/*! \brief addr_mask_type enumeration */
277	>	enum addr_mask_type
278	>	{
279	>	HIDE_IP, /**< IP is hidden. Resolved hostname is shown instead */
280	>	SHOW_IP, /**< IP is shown. No parts of it are hidden or masked */
281	>	MASK_IP  /**< IP is masked. 255.255.255.255 is shown instead */
282	>	};
283	>
284	>	/*! \brief Server structure */
285	>	struct Server
286	>	{
287	>	dlink_list server_list; /**< Servers on this server */
288	>	dlink_list client_list; /**< Clients on this server */
289	>	char by[NICKLEN + 1];   /**< who activated this connection */
290	>	};
291	>
292	>	/*! \brief ListTask structure */
293	>	struct ListTask
294	>	{
295	>	dlink_list show_mask; /**< show these channels.. */
296	>	dlink_list hide_mask; /**< ..and hide these ones */
297	>
298	>	unsigned int hash_index; /**< the bucket we are currently in */
299	>	unsigned int users_min;
300	>	unsigned int users_max;
301	>	unsigned int created_min;
302	>	unsigned int created_max;
303	>	unsigned int topicts_min;
304	>	unsigned int topicts_max;
305	>	};
306	>
307	>	/*! \brief LocalUser structure
308	>	*
309	>	* Allocated only for local clients, that are directly connected
310	>	* to \b this server with a socket.
311		*/
312	<	#define HIDE_IP 0
313	<	#define SHOW_IP 1
314	<	#define MASK_IP 2
312	>	struct LocalUser
313	>	{
314	>	dlink_node   lclient_node;
315	>
316	>	char         client_host[HOSTLEN + 1];
317	>	char         client_server[HOSTLEN + 1];
318	>
319	>	unsigned int registration;
320	>	unsigned int cap_client;    /**< Client capabilities (from us) */
321	>	unsigned int cap_active;    /**< Active capabilities (to us) */
322	>	unsigned int       caps;       /**< capabilities bit-field */
323	>
324	>	unsigned int operflags;     /**< IRC Operator privilege flags */
325	>	unsigned int random_ping; /**< Holding a 32bit value used for PING cookies */
326	>
327	>	unsigned int serial;     /**< used to enforce 1 send per nick */
328	>
329	>	time_t       lasttime;   /**< ...should be only LOCAL clients? --msa */
330	>	time_t       firsttime;  /**< time client was created */
331	>	time_t       since;      /**< last time we parsed something */
332	>	time_t       last_knock;    /**< time of last knock */
333	>	time_t       last_join_time;   /**< when this client last
334	>	joined a channel */
335	>	time_t       last_leave_time;  /**< when this client last
336	>	* left a channel */
337	>	int          join_leave_count; /**< count of JOIN/LEAVE in less than
338	>	MIN_JOIN_LEAVE_TIME seconds */
339	>	int          oper_warn_count_down; /**< warn opers of this possible
340	>	spambot every time this gets to 0 */
341	>	time_t       last_caller_id_time;
342	>	time_t       first_received_message_time;
343	>	time_t       last_nick_change;
344	>	time_t       last_privmsg; /**< Last time we got a PRIVMSG */
345	>	time_t       last_away; /**< Away since... */
346	>
347	>	int          received_number_of_privmsgs;
348	>	unsigned int number_of_nick_changes;
349	>
350	>	struct ListTask  *list_task;
351	>
352	>	struct dbuf_queue buf_sendq;
353	>	struct dbuf_queue buf_recvq;
354	>
355	>	struct {
356	>	unsigned int messages;      /**< Statistics: protocol messages sent/received */
357	>	uint64_t bytes;             /**< Statistics: total bytes sent/received */
358	>	} recv, send;
359	>
360	>	struct AuthRequest *auth;
361	>	struct Listener *listener;   /**< listener accepted from */
362	>	dlink_list        acceptlist; /**< clients I'll allow to talk to me */
363	>	dlink_list        watches;   /**< chain of Watch pointer blocks */
364	>	dlink_list        confs;     /**< Configuration record associated */
365	>	dlink_list        invited;   /**< chain of invite pointer blocks */
366	>	struct irc_ssaddr ip;
367	>	int               aftype;    /**< Makes life easier for DNS res in IPV6 */
368	>	int               country_id; /**< ID corresponding to a ISO 3166 country code */
369	>
370	>	char              *passwd;
371	>	fde_t             fd;
372	>	/* Anti-flood stuff. We track how many messages were parsed and how
373	>	* many we were allowed in the current second, and apply a simple
374	>	* decay to avoid flooding.
375	>	*   -- adrian
376	>	*/
377	>	int allow_read;       /**< how many we're allowed to read in this second */
378	>	int sent_parsed;      /**< how many messages we've parsed in this second */
379	>
380	>	char*          response;  /**< expected response from client */
381	>	char*          auth_oper; /**< Operator to become if they supply the response.*/
382	>	};
383	>
384	>	/*! \brief Client structure */
385	>	struct Client
386	>	{
387	>	dlink_node node;
388	>	dlink_node lnode;             /**< Used for Server->servers/users */
389	>
390	>	struct LocalUser *localClient;
391	>	struct Client    *hnext;      /**< For client hash table lookups by name */
392	>	struct Client    *idhnext;    /**< For SID hash table lookups by sid */
393	>	struct Server    *serv;       /**< ...defined, if this is a server */
394	>	struct Client    *servptr;    /**< Points to server this Client is on */
395	>	struct Client    *from;       /**< == self, if Local Client, *NEVER* NULL! */
396	>
397	>	time_t            tsinfo;     /**< TS on the nick, SVINFO on server */
398	>
399	>	unsigned int      flags;      /**< client flags */
400	>	unsigned int      umodes;     /**< opers, normal users subset */
401	>	unsigned int      hopcount;   /**< number of servers to this 0 = local */
402	>	unsigned int      status;     /**< Client type */
403	>	unsigned int      handler;    /**< Handler index */
404	>
405	>	dlink_list        whowas;
406	>	dlink_list        channel;   /**< chain of channel pointer blocks */
407	>
408	>	char away[AWAYLEN + 1]; /**< Client's AWAY message. Can be set/unset via AWAY command */
409	>	char name[HOSTLEN + 1]; /**< unique name for a client nick or host */
410	>	char svid[HOSTLEN + 1]; /**< Services ID. XXX: Going with HOSTLEN for now. NICKLEN might be too small
411	>	if dealing with timestamps */
412	>	char id[IDLEN + 1];       /**< client ID, unique ID per client */
413	>	/*
414	>	* client->username is the username from ident or the USER message,
415	>	* If the client is idented the USER message is ignored, otherwise
416	>	* the username part of the USER message is put here prefixed with a
417	>	* tilde depending on the auth{} block. Once a client has registered,
418	>	* this field should be considered read-only.
419	>	*/
420	>	char              username[USERLEN + 1]; /* client's username */
421	>	/*
422	>	* client->host contains the resolved name or ip address
423	>	* as a string for the user, it may be fiddled with for oper spoofing etc.
424	>	* once it's changed the *real* address goes away. This should be
425	>	* considered a read-only field after the client has registered.
426	>	*/
427	>	char              host[HOSTLEN + 1];     /* client's hostname */
428	>
429	>	/*
430	>	* client->info for unix clients will normally contain the info from the
431	>	* gcos field in /etc/passwd but anything can go here.
432	>	*/
433	>	char              info[REALLEN + 1]; /* Free form additional client info */
434	>
435	>	/*
436	>	* client->sockhost contains the ip address gotten from the socket as a
437	>	* string, this field should be considered read-only once the connection
438	>	* has been made. (set in s_bsd.c only)
439	>	*/
440	>	char              sockhost[HOSTIPLEN + 1]; /* This is the host name from the
441	>	socket ip address as string */
442	>	};
443	>
444
445		extern struct Client me;
446		extern dlink_list listing_client_list;
447		extern dlink_list global_client_list;
448	+	extern dlink_list unknown_list;       /* unknown clients ON this server only        */
449	+	extern dlink_list local_client_list;  /* local clients only ON this server          */
450	+	extern dlink_list serv_list;          /* local servers to this server ONLY          */
451	+	extern dlink_list global_serv_list;   /* global servers on the network              */
452	+	extern dlink_list oper_list;          /* our opers, duplicated in local_client_list */
453
454		extern int accept_message(struct Client *, struct Client *);
455	+	extern unsigned int idle_time_get(const struct Client *, const struct Client *);
456		extern struct split_nuh_item *find_accept(const char *, const char *,
457		const char *, struct Client *, int);
458		extern void del_accept(struct split_nuh_item *, struct Client *);
459		extern void del_all_accepts(struct Client *);
460		extern void exit_client(struct Client *, struct Client *, const char *);
461		extern void check_conf_klines(void);
462	<	extern void init_client(void);
555	<	extern void change_local_nick(struct Client *, struct Client *, const char *);
462	>	extern void client_init(void);
463		extern void dead_link_on_write(struct Client *, int);
464		extern void dead_link_on_read(struct Client *, int);
465		extern void exit_aborted_clients(void);
#	Line 560 | Line 467 | extern void free_exited_clients(void);
467		extern struct Client *make_client(struct Client *);
468		extern struct Client *find_chasing(struct Client *, struct Client *, const char *, int *);
469		extern struct Client *find_person(const struct Client *const, const char *);
470	<	extern const char *get_client_name(struct Client *, int);
470	>	extern const char *get_client_name(const struct Client *, enum addr_mask_type);
471
472		#endif /* INCLUDED_client_h */

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