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root/svn/ircd-hybrid/trunk/src/user.c

Comparing:
ircd-hybrid-7.3/src/s_user.c (file contents), Revision 1029 by michael, Sun Nov 8 13:10:50 2009 UTC vs.
ircd-hybrid/trunk/src/user.c (file contents), Revision 6727 by michael, Wed Nov 4 15:27:25 2015 UTC

#	Line 1 | Line 1
1		/*
2	<	*  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3	<	*  s_user.c: User related functions.
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
20	<	*
21	<	*  $Id$
20	>	*/
21	>
22	>	/*! \file user.c
23	>	* \brief User related functions.
24	>	* \version $Id$
25		*/
26
27		#include "stdinc.h"
28		#include "list.h"
29	<	#include "s_user.h"
28	<	#include "s_misc.h"
29	>	#include "user.h"
30		#include "channel.h"
31		#include "channel_mode.h"
32		#include "client.h"
32	–	#include "common.h"
33	–	#include "fdlist.h"
33		#include "hash.h"
34	+	#include "id.h"
35		#include "irc_string.h"
36	–	#include "sprintf_irc.h"
37	–	#include "s_bsd.h"
36		#include "ircd.h"
37		#include "listener.h"
38		#include "motd.h"
39		#include "numeric.h"
40	<	#include "s_conf.h"
41	<	#include "s_log.h"
42	<	#include "s_serv.h"
40	>	#include "conf.h"
41	>	#include "log.h"
42	>	#include "server.h"
43		#include "send.h"
46	–	#include "supported.h"
47	–	#include "whowas.h"
44		#include "memory.h"
45		#include "packet.h"
46		#include "rng_mt.h"
47		#include "userhost.h"
48	<	#include "hook.h"
49	<	#include "s_misc.h"
54	<	#include "msg.h"
48	>	#include "misc.h"
49	>	#include "parse.h"
50		#include "watch.h"
51	<
57	<	unsigned int MaxClientCount     = 1;
58	<	unsigned int MaxConnectionCount = 1;
59	<	struct Callback *entering_umode_cb = NULL;
60	<	struct Callback *umode_cb = NULL;
61	<	struct Callback *uid_get_cb = NULL;
51	>	#include "isupport.h"
52
53		static char umode_buffer[IRCD_BUFSIZE];
54
55	<	static void user_welcome(struct Client *);
56	<	static void report_and_set_user_flags(struct Client *, const struct AccessItem *);
67	<	static int check_xline(struct Client *);
68	<	static void introduce_client(struct Client *, struct Client *);
69	<	static void *uid_get(va_list);
70	<
71	<	/* Used for building up the isupport string,
72	<	* used with init_isupport, add_isupport, delete_isupport
73	<	*/
74	<
75	<	struct Isupport
55	>	const struct user_modes *umode_map[256];
56	>	const struct user_modes  umode_tab[] =
57		{
58	<	dlink_node node;
59	<	char *name;
60	<	char *options;
61	<	int number;
62	<	};
63	<
64	<	static dlink_list support_list = { NULL, NULL, 0 };
65	<	MessageFile *isupportFile;
66	<
67	<	/* memory is cheap. map 0-255 to equivalent mode */
68	<	unsigned int user_modes[256] =
69	<	{
70	<	/* 0x00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x0F */
71	<	/* 0x10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x1F */
72	<	/* 0x20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x2F */
73	<	/* 0x30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x3F */
74	<	0,                  /* @ */
75	<	0,                  /* A */
76	<	0,                  /* B */
77	<	UMODE_CCONN_FULL,   /* C */
78	<	UMODE_DEAF,         /* D */
79	<	0,                  /* E */
80	<	0,                  /* F */
81	<	UMODE_SOFTCALLERID, /* G */
82	<	0,                  /* H */
83	<	0,                  /* I */
84	<	0,                  /* J */
85	<	0,                  /* K */
86	<	0,                  /* L */
106	<	0,                  /* M */
107	<	0,                  /* N */
108	<	0,                  /* O */
109	<	0,                  /* P */
110	<	0,                  /* Q */
111	<	0,                  /* R */
112	<	0,                  /* S */
113	<	0,                  /* T */
114	<	0,                  /* U */
115	<	0,                  /* V */
116	<	0,                  /* W */
117	<	0,                  /* X */
118	<	0,                  /* Y */
119	<	0,                  /* Z 0x5A */
120	<	0, 0, 0, 0, 0,      /* 0x5F   */
121	<	0,                  /* 0x60   */
122	<	UMODE_ADMIN,        /* a */
123	<	UMODE_BOTS,         /* b */
124	<	UMODE_CCONN,        /* c */
125	<	UMODE_DEBUG,        /* d */
126	<	0,                  /* e */
127	<	UMODE_FULL,         /* f */
128	<	UMODE_CALLERID,     /* g */
129	<	0,                  /* h */
130	<	UMODE_INVISIBLE,    /* i */
131	<	0,                  /* j */
132	<	UMODE_SKILL,        /* k */
133	<	UMODE_LOCOPS,       /* l */
134	<	0,                  /* m */
135	<	UMODE_NCHANGE,      /* n */
136	<	UMODE_OPER,         /* o */
137	<	0,                  /* p */
138	<	0,                  /* q */
139	<	UMODE_REJ,          /* r */
140	<	UMODE_SERVNOTICE,   /* s */
141	<	0,                  /* t */
142	<	UMODE_UNAUTH,       /* u */
143	<	0,                  /* v */
144	<	UMODE_WALLOP,       /* w */
145	<	UMODE_EXTERNAL,     /* x */
146	<	UMODE_SPY,          /* y */
147	<	UMODE_OPERWALL,     /* z      0x7A */
148	<	0,0,0,0,0,          /* 0x7B - 0x7F */
149	<
150	<	/* 0x80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x8F */
151	<	/* 0x90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x9F */
152	<	/* 0xA0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xAF */
153	<	/* 0xB0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xBF */
154	<	/* 0xC0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xCF */
155	<	/* 0xD0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xDF */
156	<	/* 0xE0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xEF */
157	<	/* 0xF0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0  /* 0xFF */
58	>	{ 'D', UMODE_DEAF         },
59	>	{ 'F', UMODE_FARCONNECT   },
60	>	{ 'G', UMODE_SOFTCALLERID },
61	>	{ 'H', UMODE_HIDDEN       },
62	>	{ 'R', UMODE_REGONLY      },
63	>	{ 'S', UMODE_SSL          },
64	>	{ 'W', UMODE_WEBIRC       },
65	>	{ 'a', UMODE_ADMIN        },
66	>	{ 'b', UMODE_BOTS         },
67	>	{ 'c', UMODE_CCONN        },
68	>	{ 'd', UMODE_DEBUG        },
69	>	{ 'e', UMODE_EXTERNAL     },
70	>	{ 'f', UMODE_FULL         },
71	>	{ 'g', UMODE_CALLERID     },
72	>	{ 'i', UMODE_INVISIBLE    },
73	>	{ 'j', UMODE_REJ          },
74	>	{ 'k', UMODE_SKILL        },
75	>	{ 'l', UMODE_LOCOPS       },
76	>	{ 'n', UMODE_NCHANGE      },
77	>	{ 'o', UMODE_OPER         },
78	>	{ 'p', UMODE_HIDECHANS    },
79	>	{ 'q', UMODE_HIDEIDLE     },
80	>	{ 'r', UMODE_REGISTERED   },
81	>	{ 's', UMODE_SERVNOTICE   },
82	>	{ 'u', UMODE_UNAUTH       },
83	>	{ 'w', UMODE_WALLOP       },
84	>	{ 'x', UMODE_HIDDENHOST   },
85	>	{ 'y', UMODE_SPY          },
86	>	{ '\0', 0 }
87		};
88
89		void
90	<	assemble_umode_buffer(void)
90	>	user_modes_init(void)
91		{
163	–	unsigned int idx = 0;
92		char *umode_buffer_ptr = umode_buffer;
93
94	<	for (; idx < (sizeof(user_modes) / sizeof(user_modes[0])); ++idx)
95	<	if (user_modes[idx])
96	<	*umode_buffer_ptr++ = idx;
94	>	for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
95	>	{
96	>	umode_map[tab->c] = tab;
97	>	*umode_buffer_ptr++ = tab->c;
98	>	}
99
100		*umode_buffer_ptr = '\0';
101		}
#	Line 177 | Line 107 | assemble_umode_buffer(void)
107		* side effects - display to client user counts etc.
108		*/
109		void
110	<	show_lusers(struct Client *source_p)
110	>	show_lusers(struct Client *source_p)
111		{
112	<	const char *from, *to;
112	>	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
113	>	sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total - Count.invisi),
114	>	Count.invisi, dlink_list_length(&global_server_list));
115	>	else
116	>	sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total - Count.invisi),
117	>	Count.invisi, 1);
118	>
119	>	if (Count.oper)
120	>	sendto_one_numeric(source_p, &me, RPL_LUSEROP, Count.oper);
121
122	<	if (!MyConnect(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
122	>	if (dlink_list_length(&unknown_list))
123	>	sendto_one_numeric(source_p, &me, RPL_LUSERUNKNOWN, dlink_list_length(&unknown_list));
124	>
125	>	if (dlink_list_length(&channel_list))
126	>	sendto_one_numeric(source_p, &me, RPL_LUSERCHANNELS, dlink_list_length(&channel_list));
127	>
128	>	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
129		{
130	<	from = me.id;
131	<	to = source_p->id;
130	>	sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.local, Count.myserver);
131	>	sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.local, Count.max_loc);
132		}
133		else
134		{
135	<	from = me.name;
136	<	to = source_p->name;
135	>	sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.total, 0);
136	>	sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.total, Count.max_tot);
137		}
138
139	<	if (!ConfigServerHide.hide_servers || IsOper(source_p))
140	<	sendto_one(source_p, form_str(RPL_LUSERCLIENT),
141	<	from, to, (Count.total-Count.invisi),
142	<	Count.invisi, dlink_list_length(&global_serv_list));
143	<	else
144	<	sendto_one(source_p, form_str(RPL_LUSERCLIENT), from, to,
145	<	(Count.total-Count.invisi), Count.invisi, 1);
139	>	sendto_one_numeric(source_p, &me, RPL_GLOBALUSERS, Count.total, Count.max_tot);
140	>
141	>	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
142	>	sendto_one_numeric(source_p, &me, RPL_STATSCONN, Count.max_loc_con,
143	>	Count.max_loc_cli, Count.totalrestartcount);
144	>
145	>	if (Count.local > Count.max_loc_cli)
146	>	Count.max_loc_cli = Count.local;
147	>
148	>	if ((Count.local + Count.myserver) > Count.max_loc_con)
149	>	Count.max_loc_con = Count.local + Count.myserver;
150	>	}
151	>
152	>	/* report_and_set_user_flags()
153	>	*
154	>	* inputs       - pointer to source_p
155	>	*              - pointer to conf for this user
156	>	* output       - NONE
157	>	* side effects - Report to user any special flags
158	>	*                they are getting, and set them.
159	>	*/
160	>	static void
161	>	report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
162	>	{
163	>	/* If this user is being spoofed, tell them so */
164	>	if (IsConfDoSpoofIp(conf))
165	>	sendto_one_notice(source_p, &me, ":*** Spoofing your IP. Congrats.");
166
167	<	if (Count.oper > 0)
168	<	sendto_one(source_p, form_str(RPL_LUSEROP),
169	<	from, to, Count.oper);
170	<
171	<	if (dlink_list_length(&unknown_list) > 0)
172	<	sendto_one(source_p, form_str(RPL_LUSERUNKNOWN),
173	<	from, to, dlink_list_length(&unknown_list));
174	<
175	<	if (dlink_list_length(&global_channel_list) > 0)
176	<	sendto_one(source_p, form_str(RPL_LUSERCHANNELS),
177	<	from, to, dlink_list_length(&global_channel_list));
178	<
179	<	if (!ConfigServerHide.hide_servers || IsOper(source_p))
180	<	{
181	<	sendto_one(source_p, form_str(RPL_LUSERME),
182	<	from, to, Count.local, Count.myserver);
183	<	sendto_one(source_p, form_str(RPL_LOCALUSERS),
184	<	from, to, Count.local, Count.max_loc,
185	<	Count.local, Count.max_loc);
167	>	/* If this user is in the exception class, set it "E lined" */
168	>	if (IsConfExemptKline(conf))
169	>	{
170	>	AddFlag(source_p, FLAGS_EXEMPTKLINE);
171	>	sendto_one_notice(source_p, &me, ":*** You are exempt from K/D lines. Congrats.");
172	>	}
173	>
174	>	if (IsConfExemptXline(conf))
175	>	{
176	>	AddFlag(source_p, FLAGS_EXEMPTXLINE);
177	>	sendto_one_notice(source_p, &me, ":*** You are exempt from X lines. Congrats.");
178	>	}
179	>
180	>	if (IsConfExemptResv(conf))
181	>	{
182	>	AddFlag(source_p, FLAGS_EXEMPTRESV);
183	>	sendto_one_notice(source_p, &me, ":*** You are exempt from resvs. Congrats.");
184	>	}
185	>
186	>	/* If this user is exempt from user limits set it "F lined" */
187	>	if (IsConfExemptLimits(conf))
188	>	{
189	>	AddFlag(source_p, FLAGS_NOLIMIT);
190	>	sendto_one_notice(source_p, &me, ":*** You are exempt from user limits. Congrats.");
191		}
192	+
193	+	if (IsConfCanFlood(conf))
194	+	{
195	+	AddFlag(source_p, FLAGS_CANFLOOD);
196	+	sendto_one_notice(source_p, &me, ":*** You are exempt from flood "
197	+	"protection, aren't you fearsome.");
198	+	}
199	+	}
200	+
201	+	/* introduce_client()
202	+	*
203	+	* inputs       - source_p
204	+	* output       - NONE
205	+	* side effects - This common function introduces a client to the rest
206	+	*                of the net, either from a local client connect or
207	+	*                from a remote connect.
208	+	*/
209	+	static void
210	+	introduce_client(struct Client *source_p)
211	+	{
212	+	dlink_node *node = NULL;
213	+	char ubuf[IRCD_BUFSIZE] = "";
214	+
215	+	if (MyClient(source_p))
216	+	send_umode(source_p, source_p, 0, ubuf);
217		else
218	+	send_umode(NULL, source_p, 0, ubuf);
219	+
220	+	watch_check_hash(source_p, RPL_LOGON);
221	+
222	+	if (ubuf[0] == '\0')
223		{
224	<	sendto_one(source_p, form_str(RPL_LUSERME),
225	<	from, to, Count.total, 0);
226	<	sendto_one(source_p, form_str(RPL_LOCALUSERS),
228	<	from, to, Count.total, Count.max_tot,
229	<	Count.total, Count.max_tot);
230	<	}
231	<
232	<	sendto_one(source_p, form_str(RPL_GLOBALUSERS),
233	<	from, to, Count.total, Count.max_tot,
234	<	Count.total, Count.max_tot);
235	<
236	<	if (!ConfigServerHide.hide_servers || IsOper(source_p))
237	<	sendto_one(source_p, form_str(RPL_STATSCONN), from, to,
238	<	MaxConnectionCount, MaxClientCount, Count.totalrestartcount);
224	>	ubuf[0] = '+';
225	>	ubuf[1] = '\0';
226	>	}
227
228	<	if (Count.local > MaxClientCount)
229	<	MaxClientCount = Count.local;
228	>	DLINK_FOREACH(node, local_server_list.head)
229	>	{
230	>	struct Client *server = node->data;
231
232	<	if ((Count.local + Count.myserver) > MaxConnectionCount)
233	<	MaxConnectionCount = Count.local + Count.myserver;
232	>	if (server == source_p->from)
233	>	continue;
234	>
235	>	if (IsCapable(server, CAPAB_SVS))
236	>	sendto_one(server, ":%s UID %s %u %lu %s %s %s %s %s %s :%s",
237	>	source_p->servptr->id,
238	>	source_p->name, source_p->hopcount+1,
239	>	(unsigned long)source_p->tsinfo,
240	>	ubuf, source_p->username, source_p->host,
241	>	source_p->sockhost, source_p->id,
242	>	source_p->account,
243	>	source_p->info);
244	>	else
245	>	sendto_one(server, ":%s UID %s %u %lu %s %s %s %s %s :%s",
246	>	source_p->servptr->id,
247	>	source_p->name, source_p->hopcount+1,
248	>	(unsigned long)source_p->tsinfo,
249	>	ubuf, source_p->username, source_p->host,
250	>	source_p->sockhost, source_p->id, source_p->info);
251	>
252	>	if (!EmptyString(source_p->certfp))
253	>	sendto_one(server, ":%s CERTFP %s", source_p->id, source_p->certfp);
254	>	}
255		}
256
257	<	/* show_isupport()
257	>	/* user_welcome()
258		*
259	<	* inputs       - pointer to client
259	>	* inputs       - client pointer to client to welcome
260		* output       - NONE
261	<	* side effects - display to client what we support (for them)
261	>	* side effects -
262		*/
263	<	void
264	<	show_isupport(struct Client *source_p)
263	>	static void
264	>	user_welcome(struct Client *source_p)
265		{
266	<	send_message_file(source_p, isupportFile);
266	>	static const char built_date[] = __DATE__ " at " __TIME__;
267	>
268	>	#ifdef HAVE_LIBCRYPTO
269	>	if (HasFlag(source_p, FLAGS_SSL))
270	>	{
271	>	AddUMode(source_p, UMODE_SSL);
272	>	sendto_one_notice(source_p, &me, ":*** Connected securely via %s",
273	>	ssl_get_cipher(source_p->connection->fd.ssl));
274	>	}
275	>	#endif
276	>
277	>	sendto_one_numeric(source_p, &me, RPL_WELCOME, ConfigServerInfo.network_name,
278	>	source_p->name);
279	>	sendto_one_numeric(source_p, &me, RPL_YOURHOST,
280	>	listener_get_name(source_p->connection->listener), ircd_version);
281	>	sendto_one_numeric(source_p, &me, RPL_CREATED, built_date);
282	>	sendto_one_numeric(source_p, &me, RPL_MYINFO, me.name, ircd_version, umode_buffer);
283	>
284	>	isupport_show(source_p);
285	>	show_lusers(source_p);
286	>	motd_signon(source_p);
287		}
288
289	<	/*
290	<	** register_local_user
291	<	**      This function is called when both NICK and USER messages
292	<	**      have been accepted for the client, in whatever order. Only
293	<	**      after this, is the USER message propagated.
294	<	**
295	<	**      NICK's must be propagated at once when received, although
296	<	**      it would be better to delay them too until full info is
297	<	**      available. Doing it is not so simple though, would have
298	<	**      to implement the following:
299	<	**
300	<	**      (actually it has been implemented already for a while) -orabidoo
301	<	**
302	<	**      1) user telnets in and gives only "NICK foobar" and waits
303	<	**      2) another user far away logs in normally with the nick
304	<	**         "foobar" (quite legal, as this server didn't propagate
305	<	**         it).
306	<	**      3) now this server gets nick "foobar" from outside, but
307	<	**         has alread the same defined locally. Current server
308	<	**         would just issue "KILL foobar" to clean out dups. But,
309	<	**         this is not fair. It should actually request another
310	<	**         nick from local user or kill him/her...
311	<	*/
289	>	/* check_xline()
290	>	*
291	>	* inputs       - pointer to client to test
292	>	* outupt       - 1 if exiting 0 if ok
293	>	* side effects -
294	>	*/
295	>	static int
296	>	check_xline(struct Client *source_p)
297	>	{
298	>	struct MaskItem *conf = NULL;
299	>
300	>	if (HasFlag(source_p, FLAGS_EXEMPTXLINE))
301	>	return 0;
302	>
303	>	if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)))
304	>	{
305	>	++conf->count;
306	>	sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
307	>	"X-line Rejecting [%s] [%s], user %s [%s]",
308	>	source_p->info, conf->reason,
309	>	get_client_name(source_p, HIDE_IP),
310	>	source_p->sockhost);
311	>
312	>	++ServerStats.is_ref;
313	>	exit_client(source_p, "Bad user info");
314	>	return 1;
315	>	}
316	>
317	>	return 0;
318	>	}
319	>
320	>	/*! \brief This function is called when both NICK and USER messages
321	>	*      have been accepted for the client, in whatever order. Only
322	>	*      after this, is the UID message propagated.
323	>	* \param source_p Pointer to given client to introduce
324	>	*/
325		void
326	<	register_local_user(struct Client *client_p, struct Client *source_p,
284	<	const char *nick, const char *username)
326	>	register_local_user(struct Client *source_p)
327		{
328	<	const struct AccessItem *aconf = NULL;
329	<	dlink_node *ptr = NULL;
288	<	dlink_node *m = NULL;
328	>	const char *id = NULL;
329	>	const struct MaskItem *conf = NULL;
330
331	<	assert(source_p != NULL);
331	>	assert(source_p == source_p->from);
332		assert(MyConnect(source_p));
333	<	assert(source_p->username != username);
334	<	assert(!source_p->localClient->registration);
294	<
295	<	ClearCap(client_p, CAP_TS6);
333	>	assert(IsUnknown(source_p));
334	>	assert(!source_p->connection->registration);
335
336	<	if (ConfigFileEntry.ping_cookie)
336	>	if (ConfigGeneral.ping_cookie)
337		{
338	<	if (!IsPingSent(source_p) &&
300	<	source_p->localClient->random_ping == 0)
338	>	if (!HasFlag(source_p, FLAGS_PINGSENT) && !source_p->connection->random_ping)
339		{
340		do
341	<	source_p->localClient->random_ping = genrand_int32();
342	<	while (!source_p->localClient->random_ping);
341	>	source_p->connection->random_ping = genrand_int32();
342	>	while (!source_p->connection->random_ping);
343
344	<	sendto_one(source_p, "PING :%u",
345	<	source_p->localClient->random_ping);
308	<	SetPingSent(source_p);
344	>	sendto_one(source_p, "PING :%u", source_p->connection->random_ping);
345	>	AddFlag(source_p, FLAGS_PINGSENT);
346		return;
347		}
348
349	<	if (!HasPingCookie(source_p))
349	>	if (!HasFlag(source_p, FLAGS_PING_COOKIE))
350		return;
351		}
352
353	<	source_p->localClient->last = CurrentTime;
353	>	source_p->connection->last_privmsg = CurrentTime;
354		/* Straight up the maximum rate of flooding... */
355	<	source_p->localClient->allow_read = MAX_FLOOD_BURST;
355	>	source_p->connection->allow_read = MAX_FLOOD_BURST;
356
357	<	if (!execute_callback(client_check_cb, source_p, username))
357	>	if (!check_client(source_p))
358		return;
359
360	<	if (valid_hostname(source_p->host) == 0)
360	>	if (!valid_hostname(source_p->host))
361		{
362	<	sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You have an illegal "
363	<	"character in your hostname", me.name, source_p->name);
364	<	strlcpy(source_p->host, source_p->sockhost,
328	<	sizeof(source_p->host));
362	>	sendto_one_notice(source_p, &me, ":*** Notice -- You have an illegal "
363	>	"character in your hostname");
364	>	strlcpy(source_p->host, source_p->sockhost, sizeof(source_p->host));
365		}
366
367	<	ptr   = source_p->localClient->confs.head;
332	<	aconf = map_to_conf(ptr->data);
367	>	conf = source_p->connection->confs.head->data;
368
369	<	if (!IsGotId(source_p))
369	>	if (!HasFlag(source_p, FLAGS_GOTID))
370		{
371	<	const char *p = NULL;
371	>	char username[USERLEN + 1] = "";
372		unsigned int i = 0;
373
374	<	if (IsNeedIdentd(aconf))
374	>	if (IsNeedIdentd(conf))
375		{
376		++ServerStats.is_ref;
377	<	sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You need to install "
378	<	"identd to use this server", me.name, source_p->name);
379	<	exit_client(source_p, &me, "Install identd");
377	>	sendto_one_notice(source_p, &me, ":*** Notice -- You need to install "
378	>	"identd to use this server");
379	>	exit_client(source_p, "Install identd");
380		return;
381		}
382
383	<	p = username;
383	>	strlcpy(username, source_p->username, sizeof(username));
384
385	<	if (!IsNoTilde(aconf))
385	>	if (!IsNoTilde(conf))
386		source_p->username[i++] = '~';
387
388	<	while (*p && i < USERLEN)
389	<	{
355	<	if (*p != '[')
356	<	source_p->username[i++] = *p;
357	<	p++;
358	<	}
388	>	for (const char *p = username; *p && i < USERLEN; ++p)
389	>	source_p->username[i++] = *p;
390
391		source_p->username[i] = '\0';
392		}
393
394	<	/* password check */
395	<	if (!EmptyString(aconf->passwd))
394	>	/* Password check */
395	>	if (!EmptyString(conf->passwd))
396		{
397	<	const char *pass = source_p->localClient->passwd;
367	<
368	<	if (!match_conf_password(pass, aconf))
397	>	if (!match_conf_password(source_p->connection->password, conf))
398		{
399		++ServerStats.is_ref;
400	<	sendto_one(source_p, form_str(ERR_PASSWDMISMATCH),
401	<	me.name, source_p->name);
402	<	exit_client(source_p, &me, "Bad Password");
400	>
401	>	sendto_one_numeric(source_p, &me, ERR_PASSWDMISMATCH);
402	>	exit_client(source_p, "Bad Password");
403		return;
404		}
405		}
406
407	<	/* don't free source_p->localClient->passwd here - it can be required
408	<	* by masked /stats I if there are auth{} blocks with need_password = no;
407	>	/*
408	>	* Don't free source_p->connection->password here - it can be required
409	>	* by masked /stats I if there are auth {} blocks with need_password = no;
410		* --adx
411		*/
412
413	<	/* report if user has &^>= etc. and set flags as needed in source_p */
414	<	report_and_set_user_flags(source_p, aconf);
413	>	/*
414	>	* Report if user has &^>= etc. and set flags as needed in source_p
415	>	*/
416	>	report_and_set_user_flags(source_p, conf);
417
418	<	if (IsDead(client_p))
418	>	if (IsDead(source_p))
419		return;
420
421	<	/* Limit clients -
421	>	/*
422	>	* Limit clients -
423		* We want to be able to have servers and F-line clients
424		* connect, so save room for "buffer" connections.
425		* Smaller servers may want to decrease this, and it should
426		* probably be just a percentage of the MAXCLIENTS...
427		*   -Taner
428		*/
429	<	/* Except "F:" clients */
430	<	if ((Count.local >= ServerInfo.max_clients + MAX_BUFFER) ||
398	<	(Count.local >= ServerInfo.max_clients && !IsExemptLimits(source_p)))
429	>	if ((Count.local >= GlobalSetOptions.maxclients + MAX_BUFFER) ||
430	>	(Count.local >= GlobalSetOptions.maxclients && !HasFlag(source_p, FLAGS_NOLIMIT)))
431		{
432	<	sendto_realops_flags(UMODE_FULL, L_ALL,
432	>	sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
433		"Too many clients, rejecting %s[%s].",
434	<	nick, source_p->host);
434	>	source_p->name, source_p->host);
435		++ServerStats.is_ref;
436	<	exit_client(source_p, &me, "Sorry, server is full - try later");
436	>	exit_client(source_p, "Sorry, server is full - try later");
437		return;
438		}
439
440	<	/* valid user name check */
409	<	if (valid_username(source_p->username) == 0)
440	>	if (!valid_username(source_p->username, 1))
441		{
442	<	char tmpstr2[IRCD_BUFSIZE];
442	>	char buf[IRCD_BUFSIZE] = "";
443
444	<	sendto_realops_flags(UMODE_REJ, L_ALL, "Invalid username: %s (%s@%s)",
445	<	nick, source_p->username, source_p->host);
444	>	sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
445	>	"Invalid username: %s (%s@%s)",
446	>	source_p->name, source_p->username, source_p->host);
447		++ServerStats.is_ref;
448	<	ircsprintf(tmpstr2, "Invalid username [%s]", source_p->username);
449	<	exit_client(source_p, &me, tmpstr2);
448	>	snprintf(buf, sizeof(buf), "Invalid username [%s]", source_p->username);
449	>	exit_client(source_p, buf);
450		return;
451		}
452
421	–	assert(source_p == client_p);
422	–
453		if (check_xline(source_p))
454		return;
455
456	<	if (me.id[0])
457	<	{
428	<	const char *id = execute_callback(uid_get_cb, source_p);
456	>	while (hash_find_id((id = uid_get())))
457	>	;
458
459	<	while (hash_find_id(id) != NULL)
460	<	id = uid_get(NULL);
459	>	strlcpy(source_p->id, id, sizeof(source_p->id));
460	>	hash_add_id(source_p);
461
462	<	strlcpy(source_p->id, id, sizeof(source_p->id));
463	<	hash_add_id(source_p);
464	<	}
462	>	sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
463	>	"Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>",
464	>	source_p->name, source_p->username, source_p->host,
465	>	source_p->sockhost,
466	>	get_client_class(&source_p->connection->confs),
467	>	source_p->info, source_p->id);
468
469	<	sendto_realops_flags(UMODE_CCONN, L_ALL,
438	<	"Client connecting: %s (%s@%s) [%s] {%s} [%s]",
439	<	nick, source_p->username, source_p->host,
440	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
441	<	"255.255.255.255" : source_p->sockhost,
442	<	get_client_class(source_p),
443	<	source_p->info);
444	<
445	<	sendto_realops_flags(UMODE_CCONN_FULL, L_ALL,
446	<	"CLICONN %s %s %s %s %s %s %s 0 %s",
447	<	nick, source_p->username, source_p->host,
448	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
449	<	"255.255.255.255" : source_p->sockhost,
450	<	get_client_class(source_p),
451	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
452	<	"<hidden>" : source_p->client_host,
453	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
454	<	"<hidden>" : source_p->client_server,
455	<	source_p->info);
456	<
457	<
458	<	if (ConfigFileEntry.invisible_on_connect)
469	>	if (ConfigGeneral.invisible_on_connect)
470		{
471	<	source_p->umodes |= UMODE_INVISIBLE;
471	>	AddUMode(source_p, UMODE_INVISIBLE);
472		++Count.invisi;
473		}
474
475	<	if ((++Count.local) > Count.max_loc)
475	>	if (++Count.local > Count.max_loc)
476		{
477		Count.max_loc = Count.local;
478
479		if (!(Count.max_loc % 10))
480	<	sendto_realops_flags(UMODE_ALL, L_ALL, "New Max Local Clients: %d",
480	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
481	>	"New maximum local client connections: %u",
482		Count.max_loc);
483		}
484
473	–	SetClient(source_p);
474	–
475	–	source_p->servptr = &me;
476	–	dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
477	–
478	–	/* Increment our total user count here */
485		if (++Count.total > Count.max_tot)
486		Count.max_tot = Count.total;
487		++Count.totalrestartcount;
488
489	<	source_p->localClient->allow_read = MAX_FLOOD_BURST;
489	>	assert(source_p->servptr == &me);
490	>	SetClient(source_p);
491	>	dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
492	>	dlinkAdd(source_p, &source_p->node, &global_client_list);
493
494	<	assert(dlinkFindDelete(&unknown_list, source_p));
494	>	assert(dlinkFind(&unknown_list, source_p));
495
496	<	if ((m = dlinkFindDelete(&unknown_list, source_p)) != NULL)
497	<	{
489	<	free_dlink_node(m);
490	<	dlinkAdd(source_p, &source_p->localClient->lclient_node, &local_client_list);
491	<	}
496	>	dlink_move_node(&source_p->connection->lclient_node,
497	>	&unknown_list, &local_client_list);
498
499		user_welcome(source_p);
500	<	add_user_host(source_p->username, source_p->host, 0);
501	<	SetUserHost(source_p);
500	>	userhost_add(source_p->username, source_p->host, 0);
501	>	AddFlag(source_p, FLAGS_USERHOST);
502
503	<	introduce_client(client_p, source_p);
503	>	introduce_client(source_p);
504		}
505
506		/* register_remote_user()
507		*
508	<	* inputs       - client_p directly connected client
503	<	*              - source_p remote or directly connected client
508	>	* inputs       - source_p remote or directly connected client
509		*              - username to register as
510		*              - host name to register as
511		*              - server name
507	–	*              - realname (gecos)
512		* output       - NONE
513		* side effects - This function is called when a remote client
514		*                is introduced by a server.
515		*/
516		void
517	<	register_remote_user(struct Client *client_p, struct Client *source_p,
514	<	const char *username, const char *host, const char *server,
515	<	const char *realname)
517	>	register_remote_user(struct Client *source_p)
518		{
519	<	struct Client *target_p = NULL;
518	<
519	<	assert(source_p != NULL);
520	<	assert(source_p->username != username);
521	<
522	<	strlcpy(source_p->host, host, sizeof(source_p->host));
523	<	strlcpy(source_p->username, username, sizeof(source_p->username));
524	<
525	<	/*
526	<	* coming from another server, take the servers word for it
527	<	*/
528	<	source_p->servptr = find_server(server);
529	<
530	<	/* Super GhostDetect:
531	<	* If we can't find the server the user is supposed to be on,
532	<	* then simply blow the user away.        -Taner
533	<	*/
534	<	if (source_p->servptr == NULL)
535	<	{
536	<	sendto_realops_flags(UMODE_ALL, L_ALL,
537	<	"No server %s for user %s[%s@%s] from %s",
538	<	server, source_p->name, source_p->username,
539	<	source_p->host, source_p->from->name);
540	<	kill_client(client_p, source_p, "%s (Server doesn't exist)", me.name);
541	<
542	<	SetKilled(source_p);
543	<	exit_client(source_p, &me, "Ghosted Client");
544	<	return;
545	<	}
519	>	const struct Client *target_p = NULL;
520
521		if ((target_p = source_p->servptr) && target_p->from != source_p->from)
522		{
523	<	sendto_realops_flags(UMODE_DEBUG, L_ALL,
523	>	sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE,
524		"Bad User [%s] :%s USER %s@%s %s, != %s[%s]",
525	<	client_p->name, source_p->name, source_p->username,
525	>	source_p->from->name, source_p->name, source_p->username,
526		source_p->host, source_p->servptr->name,
527		target_p->name, target_p->from->name);
528	<	kill_client(client_p, source_p,
529	<	"%s (NICK from wrong direction (%s != %s))",
530	<	me.name, source_p->servptr->name, target_p->from->name);
531	<	SetKilled(source_p);
532	<	exit_client(source_p, &me, "USER server wrong direction");
528	>	sendto_one(source_p->from,
529	>	":%s KILL %s :%s (UID from wrong direction (%s != %s))",
530	>	me.id, source_p->id, me.name, source_p->servptr->name,
531	>	target_p->from->name);
532	>
533	>	AddFlag(source_p, FLAGS_KILLED);
534	>	exit_client(source_p, "UID server wrong direction");
535		return;
536		}
537
538	<	/* Increment our total user count here */
538	>	/*
539	>	* If the nick has been introduced by a services server,
540	>	* make it a service as well.
541	>	*/
542	>	if (HasFlag(source_p->servptr, FLAGS_SERVICE))
543	>	AddFlag(source_p, FLAGS_SERVICE);
544	>
545		if (++Count.total > Count.max_tot)
546		Count.max_tot = Count.total;
547
548		SetClient(source_p);
549		dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
550	<	add_user_host(source_p->username, source_p->host, 1);
551	<	SetUserHost(source_p);
552	<
553	<	introduce_client(client_p, source_p);
554	<	}
555	<
556	<	/* introduce_client()
557	<	*
558	<	* inputs       - client_p
559	<	*              - source_p
578	<	* output       - NONE
579	<	* side effects - This common function introduces a client to the rest
580	<	*                of the net, either from a local client connect or
581	<	*                from a remote connect.
582	<	*/
583	<	static void
584	<	introduce_client(struct Client *client_p, struct Client *source_p)
585	<	{
586	<	dlink_node *server_node = NULL;
587	<	static char ubuf[12];
588	<
589	<	if (MyClient(source_p))
590	<	send_umode(source_p, source_p, 0, SEND_UMODES, ubuf);
591	<	else
592	<	send_umode(NULL, source_p, 0, SEND_UMODES, ubuf);
593	<
594	<	watch_check_hash(source_p, RPL_LOGON);
595	<
596	<	if (*ubuf == '\0')
597	<	{
598	<	ubuf[0] = '+';
599	<	ubuf[1] = '\0';
600	<	}
550	>	dlinkAdd(source_p, &source_p->node, &global_client_list);
551	>	userhost_add(source_p->username, source_p->host, 1);
552	>	AddFlag(source_p, FLAGS_USERHOST);
553	>
554	>	if (HasFlag(source_p->servptr, FLAGS_EOB))
555	>	sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
556	>	"Client connecting at %s: %s (%s@%s) [%s] [%s] <%s>",
557	>	source_p->servptr->name,
558	>	source_p->name, source_p->username, source_p->host,
559	>	source_p->sockhost, source_p->info, source_p->id);
560
561	<	DLINK_FOREACH(server_node, serv_list.head)
603	<	{
604	<	struct Client *server = server_node->data;
605	<
606	<	if (server == client_p)
607	<	continue;
608	<
609	<	if (IsCapable(server, CAP_TS6) && HasID(source_p))
610	<	sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s :%s",
611	<	source_p->servptr->id,
612	<	source_p->name, source_p->hopcount+1,
613	<	(unsigned long)source_p->tsinfo,
614	<	ubuf, source_p->username, source_p->host,
615	<	(MyClient(source_p) && IsIPSpoof(source_p)) ?
616	<	"0" : source_p->sockhost, source_p->id, source_p->info);
617	<	else
618	<	sendto_one(server, "NICK %s %d %lu %s %s %s %s :%s",
619	<	source_p->name, source_p->hopcount+1,
620	<	(unsigned long)source_p->tsinfo,
621	<	ubuf, source_p->username, source_p->host,
622	<	source_p->servptr->name, source_p->info);
623	<	}
561	>	introduce_client(source_p);
562		}
563
564		/* valid_hostname()
#	Line 637 | Line 575 | valid_hostname(const char *hostname)
575		{
576		const char *p = hostname;
577
578	<	assert(p != NULL);
578	>	assert(p);
579
580	<	if ('.' == *p || ':' == *p)
580	>	if (EmptyString(p) || *p == '.' || *p == ':')
581		return 0;
582
583	<	while (*p)
646	<	{
583	>	for (; *p; ++p)
584		if (!IsHostChar(*p))
585		return 0;
649	–	p++;
650	–	}
586
587	<	return 1;
587	>	return p - hostname <= HOSTLEN;
588		}
589
590		/* valid_username()
#	Line 664 | Line 599 | valid_hostname(const char *hostname)
599		* style of username
600		*/
601		int
602	<	valid_username(const char *username)
602	>	valid_username(const char *username, const int local)
603		{
604	<	int dots      = 0;
604	>	unsigned int dots = 0;
605		const char *p = username;
606
607	<	assert(p != NULL);
607	>	assert(p);
608
609	<	if ('~' == *p)
609	>	if (*p == '~')
610		++p;
611
612	<	/* reject usernames that don't start with an alphanum
612	>	/*
613	>	* Reject usernames that don't start with an alphanum
614		* i.e. reject jokers who have '-@somehost' or '.@somehost'
615		* or "-hi-@somehost", "h-----@somehost" would still be accepted.
616		*/
617		if (!IsAlNum(*p))
618		return 0;
619
620	<	while (*++p)
620	>	if (local)
621		{
622	<	if ((*p == '.') && ConfigFileEntry.dots_in_ident)
622	>	while (*++p)
623		{
624	<	dots++;
625	<
626	<	if (dots > ConfigFileEntry.dots_in_ident)
627	<	return 0;
628	<	if (!IsUserChar(p[1]))
624	>	if (*p == '.' && ConfigGeneral.dots_in_ident)
625	>	{
626	>	if (++dots > ConfigGeneral.dots_in_ident)
627	>	return 0;
628	>	if (!IsUserChar(*(p + 1)))
629	>	return 0;
630	>	}
631	>	else if (!IsUserChar(*p))
632		return 0;
633		}
695	–	else if (!IsUserChar(*p))
696	–	return 0;
697	–	}
698	–
699	–	return 1;
700	–	}
701	–
702	–	/* report_and_set_user_flags()
703	–	*
704	–	* inputs       - pointer to source_p
705	–	*              - pointer to aconf for this user
706	–	* output       - NONE
707	–	* side effects - Report to user any special flags
708	–	*                they are getting, and set them.
709	–	*/
710	–	static void
711	–	report_and_set_user_flags(struct Client *source_p, const struct AccessItem *aconf)
712	–	{
713	–	/* If this user is being spoofed, tell them so */
714	–	if (IsConfDoSpoofIp(aconf))
715	–	{
716	–	sendto_one(source_p,
717	–	":%s NOTICE %s :*** Spoofing your IP. congrats.",
718	–	me.name, source_p->name);
634		}
635	<
721	<	/* If this user is in the exception class, Set it "E lined" */
722	<	if (IsConfExemptKline(aconf))
723	<	{
724	<	SetExemptKline(source_p);
725	<	sendto_one(source_p,
726	<	":%s NOTICE %s :*** You are exempt from K/D/G lines. congrats.",
727	<	me.name, source_p->name);
728	<	}
729	<
730	<	/* The else here is to make sure that G line exempt users
731	<	* do not get noticed twice.
732	<	*/
733	<	else if (IsConfExemptGline(aconf))
734	<	{
735	<	SetExemptGline(source_p);
736	<	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from G lines.",
737	<	me.name, source_p->name);
738	<	}
739	<
740	<	if (IsConfExemptResv(aconf))
741	<	{
742	<	SetExemptResv(source_p);
743	<	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from resvs.",
744	<	me.name, source_p->name);
745	<	}
746	<
747	<	/* If this user is exempt from user limits set it "F lined" */
748	<	if (IsConfExemptLimits(aconf))
749	<	{
750	<	SetExemptLimits(source_p);
751	<	sendto_one(source_p,
752	<	":%s NOTICE %s :*** You are exempt from user limits. congrats.",
753	<	me.name,source_p->name);
754	<	}
755	<
756	<	/* If this user is exempt from idle time outs */
757	<	if (IsConfIdlelined(aconf))
635	>	else
636		{
637	<	SetIdlelined(source_p);
638	<	sendto_one(source_p,
639	<	":%s NOTICE %s :*** You are exempt from idle limits. congrats.",
762	<	me.name, source_p->name);
637	>	while (*++p)
638	>	if (!IsUserChar(*p))
639	>	return 0;
640		}
641
642	<	if (IsConfCanFlood(aconf))
766	<	{
767	<	SetCanFlood(source_p);
768	<	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from flood "
769	<	"protection, aren't you fearsome.",
770	<	me.name, source_p->name);
771	<	}
642	>	return p - username <= USERLEN;
643		}
644
645	<	/* do_local_user()
645	>	/* clean_nick_name()
646		*
647	<	* inputs       -
648	<	* output       - NONE
649	<	* side effects -
647	>	* input        - nickname
648	>	*              - whether it's a local nick (1) or remote (0)
649	>	* output       - none
650	>	* side effects - walks through the nickname, returning 0 if erroneous
651		*/
652	<	void
653	<	do_local_user(const char *nick, struct Client *client_p, struct Client *source_p,
782	<	const char *username, const char *host, const char *server,
783	<	const char *realname)
652	>	int
653	>	valid_nickname(const char *nickname, const int local)
654		{
655	<	assert(source_p != NULL);
786	<	assert(source_p->username != username);
655	>	const char *p = nickname;
656
657	<	if (source_p == NULL)
789	<	return;
790	<
791	<	if (!IsUnknown(source_p))
792	<	{
793	<	sendto_one(source_p, form_str(ERR_ALREADYREGISTRED),
794	<	me.name, nick);
795	<	return;
796	<	}
797	<
798	<	source_p->localClient->registration &= ~REG_NEED_USER;
657	>	assert(p);
658
659		/*
660	<	* don't take the clients word for it, ever
660	>	* Nicks can't start with a digit or - or be 0 length.
661		*/
662	<	source_p->servptr = &me;
663	<
805	<	strlcpy(source_p->info, realname, sizeof(source_p->info));
806	<
807	<	/* stash for later */
808	<	strlcpy(source_p->client_host, host, sizeof(source_p->client_host));
809	<	strlcpy(source_p->client_server, server, sizeof(source_p->client_server));
810	<
811	<	if (!IsGotId(source_p))
812	<	{
813	<	/* save the username in the client
814	<	* If you move this you'll break ping cookies..you've been warned
815	<	*/
816	<	strlcpy(source_p->username, username, sizeof(source_p->username));
817	<	}
818	<
819	<	if (!source_p->localClient->registration)
820	<	/* NICK already received, now I have USER... */
821	<	register_local_user(client_p, source_p, source_p->name, username);
822	<	}
823	<
824	<	/* change_simple_umode()
825	<	*
826	<	* this callback can be hooked to allow special handling of
827	<	* certain usermodes
828	<	*/
829	<	static void *
830	<	change_simple_umode(va_list args)
831	<	{
832	<	struct Client *client_p;
833	<	struct Client *source_p;
834	<	int what;
835	<	unsigned int flag;
836	<
837	<	client_p = va_arg(args, struct Client *);
838	<	source_p = va_arg(args, struct Client *);
839	<	what = va_arg(args, int);
840	<	flag = va_arg(args, unsigned int);
841	<
842	<	if (what == MODE_ADD)
843	<	source_p->umodes |= flag;
844	<	else
845	<	source_p->umodes &= ~flag;
846	<
847	<	return NULL;
848	<	}
849	<
850	<	/* set_user_mode()
851	<	*
852	<	* added 15/10/91 By Darren Reed.
853	<	* parv[0] - sender
854	<	* parv[1] - username to change mode for
855	<	* parv[2] - modes to change
856	<	*/
857	<	void
858	<	set_user_mode(struct Client *client_p, struct Client *source_p,
859	<	int parc, char *parv[])
860	<	{
861	<	unsigned int flag, setflags;
862	<	char **p, *m, buf[IRCD_BUFSIZE];
863	<	struct Client *target_p;
864	<	int what = MODE_ADD, badflag = 0, i;
865	<
866	<	assert(!(parc < 2));
867	<
868	<	if ((target_p = find_person(client_p, parv[1])) == NULL)
869	<	{
870	<	if (MyConnect(source_p))
871	<	sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
872	<	me.name, source_p->name, parv[1]);
873	<	return;
874	<	}
875	<
876	<	if (IsServer(source_p))
877	<	{
878	<	sendto_realops_flags(UMODE_ALL, L_ADMIN, "*** Mode for User %s from %s",
879	<	parv[1], source_p->name);
880	<	return;
881	<	}
882	<
883	<	if (source_p != target_p || target_p->from != source_p->from)
884	<	{
885	<	sendto_one(source_p, form_str(ERR_USERSDONTMATCH),
886	<	me.name, source_p->name);
887	<	return;
888	<	}
889	<
890	<	if (parc < 3)
891	<	{
892	<	m = buf;
893	<	*m++ = '+';
894	<
895	<	for (i = 0; i < 128; i++)
896	<	if (source_p->umodes & user_modes[i])
897	<	*m++ = (char)i;
898	<	*m = '\0';
899	<
900	<	sendto_one(source_p, form_str(RPL_UMODEIS),
901	<	me.name, source_p->name, buf);
902	<	return;
903	<	}
904	<
905	<	execute_callback(entering_umode_cb, client_p, source_p);
906	<
907	<	/* find flags already set for user */
908	<	setflags = source_p->umodes;
909	<
910	<	/* parse mode change string(s) */
911	<	for (p = &parv[2]; p && *p; p++)
912	<	{
913	<	for (m = *p; *m; m++)
914	<	{
915	<	switch (*m)
916	<	{
917	<	case '+':
918	<	what = MODE_ADD;
919	<	break;
920	<	case '-':
921	<	what = MODE_DEL;
922	<	break;
923	<	case 'o':
924	<	if (what == MODE_ADD)
925	<	{
926	<	if (IsServer(client_p) && !IsOper(source_p))
927	<	{
928	<	++Count.oper;
929	<	SetOper(source_p);
930	<	}
931	<	}
932	<	else
933	<	{
934	<	/* Only decrement the oper counts if an oper to begin with
935	<	* found by Pat Szuta, Perly , perly@xnet.com
936	<	*/
937	<	if (!IsOper(source_p))
938	<	break;
939	<
940	<	ClearOper(source_p);
941	<	source_p->umodes &= ~ConfigFileEntry.oper_only_umodes;
942	<	Count.oper--;
943	<
944	<	if (MyConnect(source_p))
945	<	{
946	<	dlink_node *dm;
947	<
948	<	detach_conf(source_p, OPER_TYPE);
949	<	ClearOperFlags(source_p);
950	<
951	<	if ((dm = dlinkFindDelete(&oper_list, source_p)) != NULL)
952	<	free_dlink_node(dm);
953	<	}
954	<	}
955	<
956	<	break;
957	<
958	<	/* we may not get these,
959	<	* but they shouldnt be in default
960	<	*/
961	<	case ' ' :
962	<	case '\n':
963	<	case '\r':
964	<	case '\t':
965	<	break;
966	<
967	<	default:
968	<	if ((flag = user_modes[(unsigned char)*m]))
969	<	{
970	<	if (MyConnect(source_p) && !IsOper(source_p) &&
971	<	(ConfigFileEntry.oper_only_umodes & flag))
972	<	{
973	<	badflag = 1;
974	<	}
975	<	else
976	<	execute_callback(umode_cb, client_p, source_p, what, flag);
977	<	}
978	<	else
979	<	{
980	<	if (MyConnect(source_p))
981	<	badflag = 1;
982	<	}
983	<
984	<	break;
985	<	}
986	<	}
987	<	}
988	<
989	<	if (badflag)
990	<	sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG),
991	<	me.name, source_p->name);
992	<
993	<	if ((source_p->umodes & UMODE_NCHANGE) && !IsOperN(source_p))
994	<	{
995	<	sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;",
996	<	me.name, source_p->name);
997	<	source_p->umodes &= ~UMODE_NCHANGE; /* only tcm's really need this */
998	<	}
999	<
1000	<	if (MyConnect(source_p) && (source_p->umodes & UMODE_ADMIN) &&
1001	<	!IsOperAdmin(source_p) && !IsOperHiddenAdmin(source_p))
1002	<	{
1003	<	sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;",
1004	<	me.name, source_p->name);
1005	<	source_p->umodes &= ~UMODE_ADMIN;
1006	<	}
662	>	if (EmptyString(p) || *p == '-' || (IsDigit(*p) && local))
663	>	return 0;
664
665	<	if (!(setflags & UMODE_INVISIBLE) && IsInvisible(source_p))
666	<	++Count.invisi;
667	<	if ((setflags & UMODE_INVISIBLE) && !IsInvisible(source_p))
1011	<	--Count.invisi;
665	>	for (; *p; ++p)
666	>	if (!IsNickChar(*p))
667	>	return 0;
668
669	<	/*
1014	<	* compare new flags with old flags and send string which
1015	<	* will cause servers to update correctly.
1016	<	*/
1017	<	send_umode_out(client_p, source_p, setflags);
669	>	return p - nickname <= NICKLEN;
670		}
671
672		/* send_umode()
#	Line 1024 | Line 676 | set_user_mode(struct Client *client_p, s
676		* inputs       - client_p
677		*              - source_p
678		*              - int old
1027	–	*              - sendmask mask of modes to send
679		*              - suplied umode_buf
680		* output       - NONE
681		*/
682		void
683		send_umode(struct Client *client_p, struct Client *source_p,
684	<	unsigned int old, unsigned int sendmask, char *umode_buf)
684	>	unsigned int old, char *umode_buf)
685		{
686		char *m = umode_buf;
687		int what = 0;
1037	–	unsigned int i;
1038	–	unsigned int flag;
688
689		/*
690	<	* build a string in umode_buf to represent the change in the user's
690	>	* Build a string in umode_buf to represent the change in the user's
691		* mode between the new (source_p->umodes) and 'old'.
692		*/
693	<	for (i = 0; i < 128; i++)
693	>	for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
694		{
695	<	flag = user_modes[i];
1047	<	if (!flag)
1048	<	continue;
1049	<
1050	<	if (MyClient(source_p) && !(flag & sendmask))
1051	<	continue;
1052	<
1053	<	if ((flag & old) && !(source_p->umodes & flag))
695	>	if ((tab->flag & old) && !HasUMode(source_p, tab->flag))
696		{
697		if (what == MODE_DEL)
698	<	*m++ = (char)i;
698	>	*m++ = tab->c;
699		else
700		{
701		what = MODE_DEL;
702		*m++ = '-';
703	<	*m++ = (char)i;
703	>	*m++ = tab->c;
704		}
705		}
706	<	else if (!(flag & old) && (source_p->umodes & flag))
706	>	else if (!(tab->flag & old) && HasUMode(source_p, tab->flag))
707		{
708		if (what == MODE_ADD)
709	<	*m++ = (char)i;
709	>	*m++ = tab->c;
710		else
711		{
712		what = MODE_ADD;
713		*m++ = '+';
714	<	*m++ = (char)i;
714	>	*m++ = tab->c;
715		}
716		}
717		}
#	Line 1078 | Line 720 | send_umode(struct Client *client_p, stru
720
721		if (*umode_buf && client_p)
722		sendto_one(client_p, ":%s!%s@%s MODE %s :%s",
723	<	source_p->name, source_p->username,
724	<	source_p->host, source_p->name, umode_buf);
723	>	client_p->name, client_p->username,
724	>	client_p->host, client_p->name, umode_buf);
725		}
726
727		/* send_umode_out()
#	Line 1089 | Line 731 | send_umode(struct Client *client_p, stru
731		* side effects - Only send ubuf out to servers that know about this client
732		*/
733		void
734	<	send_umode_out(struct Client *client_p, struct Client *source_p,
1093	<	unsigned int old)
734	>	send_umode_out(struct Client *source_p, unsigned int old)
735		{
736	<	char buf[IRCD_BUFSIZE] = { '\0' };
1096	<	dlink_node *ptr = NULL;
736	>	char buf[IRCD_BUFSIZE] = "";
737
738	<	send_umode(NULL, source_p, old, IsOperHiddenAdmin(source_p) ?
1099	<	SEND_UMODES & ~UMODE_ADMIN : SEND_UMODES, buf);
738	>	send_umode(MyClient(source_p) ? source_p : NULL, source_p, old, buf);
739
740		if (buf[0])
741	<	{
742	<	DLINK_FOREACH(ptr, serv_list.head)
1104	<	{
1105	<	struct Client *target_p = ptr->data;
1106	<
1107	<	if ((target_p != client_p) && (target_p != source_p))
1108	<	sendto_one(target_p, ":%s MODE %s :%s",
1109	<	ID_or_name(source_p, target_p),
1110	<	ID_or_name(source_p, target_p), buf);
1111	<	}
1112	<	}
1113	<
1114	<	if (client_p && MyClient(client_p))
1115	<	send_umode(client_p, source_p, old, 0xffffffff, buf);
1116	<	}
1117	<
1118	<	/* user_welcome()
1119	<	*
1120	<	* inputs       - client pointer to client to welcome
1121	<	* output       - NONE
1122	<	* side effects -
1123	<	*/
1124	<	static void
1125	<	user_welcome(struct Client *source_p)
1126	<	{
1127	<	#if defined(__TIME__) && defined(__DATE__)
1128	<	static const char built_date[] = __DATE__ " at " __TIME__;
1129	<	#else
1130	<	static const char built_date[] = "unknown";
1131	<	#endif
1132	<
1133	<	#ifdef HAVE_LIBCRYPTO
1134	<	if (source_p->localClient->fd.ssl != NULL)
1135	<	sendto_one(source_p, ":%s NOTICE %s :*** Connected securely via %s",
1136	<	me.name, source_p->name,
1137	<	ssl_get_cipher(source_p->localClient->fd.ssl));
1138	<	#endif
1139	<
1140	<	sendto_one(source_p, form_str(RPL_WELCOME), me.name, source_p->name,
1141	<	ServerInfo.network_name, source_p->name);
1142	<	sendto_one(source_p, form_str(RPL_YOURHOST), me.name, source_p->name,
1143	<	get_listener_name(source_p->localClient->listener), ircd_version);
1144	<	sendto_one(source_p, form_str(RPL_CREATED),
1145	<	me.name, source_p->name, built_date);
1146	<	sendto_one(source_p, form_str(RPL_MYINFO),
1147	<	me.name, source_p->name, me.name, ircd_version, umode_buffer);
1148	<	show_isupport(source_p);
1149	<
1150	<	if (source_p->id[0] != '\0')
1151	<	sendto_one(source_p, form_str(RPL_YOURID), me.name,
1152	<	source_p->name, source_p->id);
1153	<
1154	<	show_lusers(source_p);
1155	<
1156	<	if (ConfigFileEntry.short_motd)
1157	<	{
1158	<	sendto_one(source_p, "NOTICE %s :*** Notice -- motd was last changed at %s",
1159	<	source_p->name, ConfigFileEntry.motd.lastChangedDate);
1160	<	sendto_one(source_p,
1161	<	"NOTICE %s :*** Notice -- Please read the motd if you haven't "
1162	<	"read it", source_p->name);
1163	<	sendto_one(source_p, form_str(RPL_MOTDSTART),
1164	<	me.name, source_p->name, me.name);
1165	<	sendto_one(source_p, form_str(RPL_MOTD),
1166	<	me.name, source_p->name,
1167	<	"*** This is the short motd ***");
1168	<	sendto_one(source_p, form_str(RPL_ENDOFMOTD),
1169	<	me.name, source_p->name);
1170	<	}
1171	<	else
1172	<	send_message_file(source_p, &ConfigFileEntry.motd);
1173	<	}
1174	<
1175	<	/* check_xline()
1176	<	*
1177	<	* inputs       - pointer to client to test
1178	<	* outupt       - 1 if exiting 0 if ok
1179	<	* side effects -
1180	<	*/
1181	<	static int
1182	<	check_xline(struct Client *source_p)
1183	<	{
1184	<	struct ConfItem *conf = NULL;
1185	<	const char *reason = NULL;
1186	<
1187	<	if ((conf = find_matching_name_conf(XLINE_TYPE, source_p->info, NULL, NULL, 0)) ||
1188	<	(conf = find_matching_name_conf(RXLINE_TYPE, source_p->info, NULL, NULL, 0)))
1189	<	{
1190	<	struct MatchItem *reg = map_to_conf(conf);
1191	<
1192	<	++reg->count;
1193	<
1194	<	if (reg->reason != NULL)
1195	<	reason = reg->reason;
1196	<	else
1197	<	reason = "No Reason";
1198	<
1199	<	sendto_realops_flags(UMODE_REJ, L_ALL,
1200	<	"X-line Rejecting [%s] [%s], user %s [%s]",
1201	<	source_p->info, reason,
1202	<	get_client_name(source_p, HIDE_IP),
1203	<	source_p->sockhost);
1204	<
1205	<	++ServerStats.is_ref;
1206	<	if (REJECT_HOLD_TIME > 0)
1207	<	{
1208	<	sendto_one(source_p, ":%s NOTICE %s :Bad user info",
1209	<	me.name, source_p->name);
1210	<	source_p->localClient->reject_delay = CurrentTime + REJECT_HOLD_TIME;
1211	<	SetCaptured(source_p);
1212	<	}
1213	<	else
1214	<	exit_client(source_p, &me, "Bad user info");
1215	<	return 1;
1216	<	}
1217	<
1218	<	return 0;
1219	<	}
1220	<
1221	<	/* oper_up()
1222	<	*
1223	<	* inputs       - pointer to given client to oper
1224	<	* output       - NONE
1225	<	* side effects - Blindly opers up given source_p, using aconf info
1226	<	*                all checks on passwords have already been done.
1227	<	*                This could also be used by rsa oper routines.
1228	<	*/
1229	<	void
1230	<	oper_up(struct Client *source_p)
1231	<	{
1232	<	unsigned int old = source_p->umodes;
1233	<	const char *operprivs = "";
1234	<	const struct AccessItem *oconf = NULL;
1235	<
1236	<	assert(source_p->localClient->confs.head);
1237	<	oconf = map_to_conf((source_p->localClient->confs.head)->data);
1238	<
1239	<	++Count.oper;
1240	<	SetOper(source_p);
1241	<
1242	<	if (oconf->modes)
1243	<	source_p->umodes |= oconf->modes;
1244	<	else if (ConfigFileEntry.oper_umodes)
1245	<	source_p->umodes |= ConfigFileEntry.oper_umodes;
1246	<	else
1247	<	source_p->umodes |= (UMODE_SERVNOTICE|UMODE_OPERWALL|
1248	<	UMODE_WALLOP|UMODE_LOCOPS);
1249	<
1250	<	if (!(old & UMODE_INVISIBLE) && IsInvisible(source_p))
1251	<	++Count.invisi;
1252	<	if ((old & UMODE_INVISIBLE) && !IsInvisible(source_p))
1253	<	--Count.invisi;
1254	<
1255	<	assert(dlinkFind(&oper_list, source_p) == NULL);
1256	<	dlinkAdd(source_p, make_dlink_node(), &oper_list);
1257	<
1258	<	operprivs = oper_privs_as_string(oconf->port);
1259	<
1260	<	SetOFlag(source_p, oconf->port);
1261	<
1262	<	if (IsOperAdmin(source_p) || IsOperHiddenAdmin(source_p))
1263	<	source_p->umodes |= UMODE_ADMIN;
1264	<	if (!IsOperN(source_p))
1265	<	source_p->umodes &= ~UMODE_NCHANGE;
1266	<
1267	<	sendto_realops_flags(UMODE_ALL, L_ALL, "%s (%s@%s) is now an operator",
1268	<	source_p->name, source_p->username, source_p->host);
1269	<	send_umode_out(source_p, source_p, old);
1270	<	sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name);
1271	<	sendto_one(source_p, ":%s NOTICE %s :*** Oper privs are %s",
1272	<	me.name, source_p->name, operprivs);
1273	<	send_message_file(source_p, &ConfigFileEntry.opermotd);
1274	<	}
1275	<
1276	<	static char new_uid[TOTALSIDUID + 1];     /* allow for \0 */
1277	<
1278	<	int
1279	<	valid_sid(const char *sid)
1280	<	{
1281	<
1282	<	if (strlen(sid) == IRC_MAXSID)
1283	<	if (IsDigit(*sid))
1284	<	if (IsAlNum(*(sid + 1)) && IsAlNum(*(sid + 2)))
1285	<	return 1;
1286	<
1287	<	return 0;
1288	<	}
1289	<
1290	<	/*
1291	<	* init_uid()
1292	<	*
1293	<	* inputs       - NONE
1294	<	* output       - NONE
1295	<	* side effects - new_uid is filled in with server id portion (sid)
1296	<	*                (first 3 bytes) or defaulted to 'A'.
1297	<	*                Rest is filled in with 'A'
1298	<	*/
1299	<	void
1300	<	init_uid(void)
1301	<	{
1302	<	int i;
1303	<
1304	<	memset(new_uid, 0, sizeof(new_uid));
1305	<
1306	<	if (ServerInfo.sid != NULL)
1307	<	{
1308	<	strlcpy(new_uid, ServerInfo.sid, sizeof(new_uid));
1309	<	strlcpy(me.id, ServerInfo.sid, sizeof(me.id));
1310	<
1311	<	hash_add_id(&me);
1312	<	}
1313	<
1314	<	for (i = 0; i < IRC_MAXSID; i++)
1315	<	if (new_uid[i] == '\0')
1316	<	new_uid[i] = 'A';
1317	<
1318	<	/* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1319	<	/* Yes nenolod, I have known it was off by one ever since I wrote it
1320	<	* But *JUST* for you, though, it really doesn't look as *pretty*
1321	<	* -Dianora
1322	<	*/
1323	<	memcpy(new_uid + IRC_MAXSID, "AAAAA@", IRC_MAXUID);
1324	<
1325	<	entering_umode_cb = register_callback("entering_umode", NULL);
1326	<	umode_cb = register_callback("changing_umode", change_simple_umode);
1327	<	uid_get_cb = register_callback("uid_get", uid_get);
1328	<	}
1329	<
1330	<	/*
1331	<	* add_one_to_uid
1332	<	*
1333	<	* inputs       - index number into new_uid
1334	<	* output       - NONE
1335	<	* side effects - new_uid is incremented by one
1336	<	*                note this is a recursive function
1337	<	*/
1338	<	static void
1339	<	add_one_to_uid(int i)
1340	<	{
1341	<	if (i != IRC_MAXSID)    /* Not reached server SID portion yet? */
1342	<	{
1343	<	if (new_uid[i] == 'Z')
1344	<	new_uid[i] = '0';
1345	<	else if (new_uid[i] == '9')
1346	<	{
1347	<	new_uid[i] = 'A';
1348	<	add_one_to_uid(i-1);
1349	<	}
1350	<	else
1351	<	++new_uid[i];
1352	<	}
1353	<	else
1354	<	{
1355	<	/* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1356	<	if (new_uid[i] == 'Z')
1357	<	memcpy(new_uid + IRC_MAXSID, "AAAAAA", IRC_MAXUID);
1358	<	else
1359	<	++new_uid[i];
1360	<	}
741	>	sendto_server(source_p, 0, 0, ":%s MODE %s :%s",
742	>	source_p->id, source_p->id, buf);
743		}
744
1363	–	/*
1364	–	* uid_get
1365	–	*
1366	–	* inputs       - struct Client *
1367	–	* output       - new UID is returned to caller
1368	–	* side effects - new_uid is incremented by one.
1369	–	*/
1370	–	static void *
1371	–	uid_get(va_list args)
1372	–	{
1373	–	add_one_to_uid(TOTALSIDUID - 1);    /* index from 0 */
1374	–	return new_uid;
1375	–	}
1376	–
1377	–	/*
1378	–	* init_isupport()
1379	–	*
1380	–	* input        - NONE
1381	–	* output       - NONE
1382	–	* side effects - Must be called before isupport is enabled
1383	–	*/
745		void
746	<	init_isupport(void)
746	>	user_set_hostmask(struct Client *target_p, const char *hostname, const int what)
747		{
748	<	isupportFile = init_MessageLine();
1388	<
1389	<	add_isupport("CALLERID", NULL, -1);
1390	<	add_isupport("CASEMAPPING", CASEMAP, -1);
1391	<	add_isupport("DEAF", "D", -1);
1392	<	add_isupport("KICKLEN", NULL, KICKLEN);
1393	<	add_isupport("MODES", NULL, MAXMODEPARAMS);
1394	<	add_isupport("NICKLEN", NULL, NICKLEN-1);
1395	<	#ifdef HALFOPS
1396	<	add_isupport("PREFIX", "(ohv)@%+", -1);
1397	<	add_isupport("STATUSMSG", "@%+", -1);
1398	<	#else
1399	<	add_isupport("PREFIX", "(ov)@+", -1);
1400	<	add_isupport("STATUSMSG", "@+", -1);
1401	<	#endif
1402	<	add_isupport("TOPICLEN", NULL, TOPICLEN);
1403	<	}
748	>	dlink_node *node = NULL;
749
750	<	/*
751	<	* add_isupport()
1407	<	*
1408	<	* input        - name of supported function
1409	<	*              - options if any
1410	<	*              - number if any
1411	<	* output       - NONE
1412	<	* side effects - Each supported item must call this when activated
1413	<	*/
1414	<	void
1415	<	add_isupport(const char *name, const char *options, int n)
1416	<	{
1417	<	dlink_node *ptr;
1418	<	struct Isupport *support;
750	>	if (!strcmp(target_p->host, hostname))
751	>	return;
752
753	<	DLINK_FOREACH(ptr, support_list.head)
753	>	switch (what)
754		{
755	<	support = ptr->data;
756	<	if (irccmp(support->name, name) == 0)
1424	<	{
1425	<	MyFree(support->name);
1426	<	MyFree(support->options);
755	>	case MODE_ADD:
756	>	AddUMode(target_p, UMODE_HIDDENHOST);
757		break;
758	<	}
758	>	case MODE_DEL:
759	>	DelUMode(target_p, UMODE_HIDDENHOST);
760	>	break;
761	>	default: return;
762		}
763
764	<	if (ptr == NULL)
765	<	{
766	<	support = MyMalloc(sizeof(*support));
1434	<	dlinkAddTail(support, &support->node, &support_list);
1435	<	}
764	>	if (ConfigGeneral.cycle_on_host_change)
765	>	sendto_common_channels_local(target_p, 0, 0, ":%s!%s@%s QUIT :Changing hostname",
766	>	target_p->name, target_p->username, target_p->host);
767
768	<	DupString(support->name, name);
769	<	if (options != NULL)
1439	<	DupString(support->options, options);
1440	<	support->number = n;
768	>	if (HasFlag(target_p, FLAGS_USERHOST))
769	>	userhost_del(target_p->username, target_p->host, !MyConnect(target_p));
770
771	<	rebuild_isupport_message_line();
1443	<	}
771	>	strlcpy(target_p->host, hostname, sizeof(target_p->host));
772
773	<	/*
774	<	* delete_isupport()
1447	<	*
1448	<	* input        - name of supported function
1449	<	* output       - NONE
1450	<	* side effects - Each supported item must call this when deactivated
1451	<	*/
1452	<	void
1453	<	delete_isupport(const char *name)
1454	<	{
1455	<	dlink_node *ptr;
1456	<	struct Isupport *support;
773	>	userhost_add(target_p->username, target_p->host, !MyConnect(target_p));
774	>	AddFlag(target_p, FLAGS_USERHOST);
775
776	<	DLINK_FOREACH(ptr, support_list.head)
776	>	if (MyClient(target_p))
777		{
778	<	support = ptr->data;
779	<	if (irccmp(support->name, name) == 0)
1462	<	{
1463	<	dlinkDelete(ptr, &support_list);
1464	<	MyFree(support->name);
1465	<	MyFree(support->options);
1466	<	MyFree(support);
1467	<	break;
1468	<	}
778	>	sendto_one_numeric(target_p, &me, RPL_VISIBLEHOST, target_p->host);
779	>	clear_ban_cache_client(target_p);
780		}
781
782	<	rebuild_isupport_message_line();
783	<	}
1473	<
1474	<	/*
1475	<	* rebuild_isupport_message_line
1476	<	*
1477	<	* input        - NONE
1478	<	* output       - NONE
1479	<	* side effects - Destroy the isupport MessageFile lines, and rebuild.
1480	<	*/
1481	<	void
1482	<	rebuild_isupport_message_line(void)
1483	<	{
1484	<	char isupportbuffer[IRCD_BUFSIZE];
1485	<	char *p = isupportbuffer;
1486	<	dlink_node *ptr = NULL;
1487	<	int n = 0;
1488	<	int tokens = 0;
1489	<	size_t len = 0;
1490	<	size_t reserve = strlen(me.name) + HOSTLEN + strlen(form_str(RPL_ISUPPORT));
1491	<
1492	<	destroy_MessageLine(isupportFile);
782	>	if (!ConfigGeneral.cycle_on_host_change)
783	>	return;
784
785	<	DLINK_FOREACH(ptr, support_list.head)
785	>	DLINK_FOREACH(node, target_p->channel.head)
786		{
787	<	struct Isupport *support = ptr->data;
787	>	char modebuf[4], nickbuf[NICKLEN * 3 + 3] = "";
788	>	char *p = modebuf;
789	>	int len = 0;
790	>	const struct Membership *member = node->data;
791
792	<	p += (n = ircsprintf(p, "%s", support->name));
793	<	len += n;
792	>	if (has_member_flags(member, CHFL_CHANOP))
793	>	{
794	>	*p++ = 'o';
795	>	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
796	>	}
797
798	<	if (support->options != NULL)
798	>	if (has_member_flags(member, CHFL_HALFOP))
799		{
800	<	p += (n = ircsprintf(p, "=%s", support->options));
801	<	len += n;
800	>	*p++ = 'h';
801	>	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
802		}
803
804	<	if (support->number > 0)
804	>	if (has_member_flags(member, CHFL_VOICE))
805		{
806	<	p += (n = ircsprintf(p, "=%d", support->number));
807	<	len += n;
806	>	*p++ = 'v';
807	>	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
808		}
809
1513	–	*p++ = ' ';
1514	–	len++;
810		*p = '\0';
811
1517	–	if (++tokens == (MAXPARA-2) || len >= (sizeof(isupportbuffer)-reserve))
1518	–	{ /* arbritrary for now */
1519	–	if (*--p == ' ')
1520	–	*p = '\0';
1521	–
1522	–	addto_MessageLine(isupportFile, isupportbuffer);
1523	–	p = isupportbuffer;
1524	–	len = 0;
1525	–	n = tokens = 0;
1526	–	}
1527	–	}
812
813	<	if (len != 0)
814	<	{
815	<	if (*--p == ' ')
816	<	*p = '\0';
817	<	addto_MessageLine(isupportFile, isupportbuffer);
813	>	sendto_channel_local_butone(target_p, CAP_EXTENDED_JOIN, 0, member->chptr, ":%s!%s@%s JOIN %s %s :%s",
814	>	target_p->name, target_p->username,
815	>	target_p->host, member->chptr->name,
816	>	(!IsDigit(target_p->account[0]) && target_p->account[0] != '*') ? target_p->account : "*",
817	>	target_p->info);
818	>	sendto_channel_local_butone(target_p, 0, CAP_EXTENDED_JOIN, member->chptr, ":%s!%s@%s JOIN :%s",
819	>	target_p->name, target_p->username,
820	>	target_p->host, member->chptr->name);
821	>
822	>	if (nickbuf[0])
823	>	sendto_channel_local_butone(target_p, 0, 0, member->chptr, ":%s MODE %s +%s %s",
824	>	target_p->servptr->name, member->chptr->name,
825	>	modebuf, nickbuf);
826	>
827		}
828	+
829	+	if (target_p->away[0])
830	+	sendto_common_channels_local(target_p, 0, CAP_AWAY_NOTIFY,
831	+	":%s!%s@%s AWAY :%s",
832	+	target_p->name, target_p->username,
833	+	target_p->host, target_p->away);
834		}

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