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root/svn/ircd-hybrid/branches/8.2.x/src/user.c

Comparing:
ircd-hybrid/trunk/src/s_user.c (file contents), Revision 1899 by michael, Sat Apr 27 18:55:28 2013 UTC vs.
ircd-hybrid/branches/8.2.x/src/user.c (file contents), Revision 8751 by michael, Tue Jan 1 11:06:50 2019 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) 1997-2019 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 "fdlist.h"
33		#include "hash.h"
34	+	#include "id.h"
35		#include "irc_string.h"
35	–	#include "s_bsd.h"
36		#include "ircd.h"
37		#include "listener.h"
38		#include "motd.h"
39		#include "numeric.h"
40		#include "conf.h"
41	+	#include "conf_gecos.h"
42		#include "log.h"
43	<	#include "s_serv.h"
43	>	#include "server.h"
44	>	#include "server_capab.h" /* TBR: RHOST compatibility mode */
45		#include "send.h"
44	–	#include "supported.h"
45	–	#include "whowas.h"
46		#include "memory.h"
47		#include "packet.h"
48		#include "rng_mt.h"
49	<	#include "userhost.h"
50	<	#include "hook.h"
51	<	#include "s_misc.h"
49	>	#include "misc.h"
50		#include "parse.h"
51		#include "watch.h"
52	<
53	<
54	<	struct Callback *entering_umode_cb = NULL;
55	<	struct Callback *umode_cb = NULL;
56	<
57	<	static char umode_buffer[IRCD_BUFSIZE];
58	<
59	<	static void user_welcome(struct Client *);
60	<	static void report_and_set_user_flags(struct Client *, const struct MaskItem *);
61	<	static int check_xline(struct Client *);
62	<	static void introduce_client(struct Client *);
63	<	static const char *uid_get(void);
64	<
65	<	/* Used for building up the isupport string,
66	<	* used with init_isupport, add_isupport, delete_isupport
67	<	*/
68	<
69	<	struct Isupport
70	<	{
71	<	dlink_node node;
72	<	char *name;
73	<	char *options;
74	<	int number;
75	<	};
76	<
77	<	static dlink_list support_list = { NULL, NULL, 0 };
78	<	MessageFile *isupportFile;
79	<
80	<	/* memory is cheap. map 0-255 to equivalent mode */
81	<	unsigned int user_modes[256] =
82	<	{
83	<	/* 0x00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x0F */
84	<	/* 0x10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x1F */
85	<	/* 0x20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x2F */
86	<	/* 0x30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x3F */
87	<	0,                  /* @ */
88	<	0,                  /* A */
91	<	0,                  /* B */
92	<	UMODE_CCONN_FULL,   /* C */
93	<	UMODE_DEAF,         /* D */
94	<	0,                  /* E */
95	<	0,                  /* F */
96	<	UMODE_SOFTCALLERID, /* G */
97	<	UMODE_HIDDEN,       /* H */
98	<	0,                  /* I */
99	<	0,                  /* J */
100	<	0,                  /* K */
101	<	0,                  /* L */
102	<	0,                  /* M */
103	<	0,                  /* N */
104	<	0,                  /* O */
105	<	0,                  /* P */
106	<	0,                  /* Q */
107	<	UMODE_REGONLY,      /* R */
108	<	0,                  /* S */
109	<	0,                  /* T */
110	<	0,                  /* U */
111	<	0,                  /* V */
112	<	0,                  /* W */
113	<	0,                  /* X */
114	<	0,                  /* Y */
115	<	0,                  /* Z 0x5A */
116	<	0, 0, 0, 0, 0,      /* 0x5F   */
117	<	0,                  /* 0x60   */
118	<	UMODE_ADMIN,        /* a */
119	<	UMODE_BOTS,         /* b */
120	<	UMODE_CCONN,        /* c */
121	<	UMODE_DEBUG,        /* d */
122	<	UMODE_EXTERNAL,     /* e */
123	<	UMODE_FULL,         /* f */
124	<	UMODE_CALLERID,     /* g */
125	<	0,                  /* h */
126	<	UMODE_INVISIBLE,    /* i */
127	<	UMODE_REJ,          /* j */
128	<	UMODE_SKILL,        /* k */
129	<	UMODE_LOCOPS,       /* l */
130	<	0,                  /* m */
131	<	UMODE_NCHANGE,      /* n */
132	<	UMODE_OPER,         /* o */
133	<	0,                  /* p */
134	<	0,                  /* q */
135	<	UMODE_REGISTERED,   /* r */
136	<	UMODE_SERVNOTICE,   /* s */
137	<	0,                  /* t */
138	<	UMODE_UNAUTH,       /* u */
139	<	0,                  /* v */
140	<	UMODE_WALLOP,       /* w */
141	<	0,                  /* x */
142	<	UMODE_SPY,          /* y */
143	<	UMODE_OPERWALL,     /* z      0x7A */
144	<	0,0,0,0,0,          /* 0x7B - 0x7F */
145	<
146	<	/* 0x80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x8F */
147	<	/* 0x90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x9F */
148	<	/* 0xA0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xAF */
149	<	/* 0xB0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xBF */
150	<	/* 0xC0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xCF */
151	<	/* 0xD0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xDF */
152	<	/* 0xE0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xEF */
153	<	/* 0xF0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0  /* 0xFF */
52	>	#include "isupport.h"
53	>	#include "tls.h"
54	>	#include "patchlevel.h"
55	>
56	>	static char umode_buffer[UMODE_MAX_STR];
57	>
58	>	const struct user_modes *umode_map[256];
59	>	const struct user_modes  umode_tab[] =
60	>	{
61	>	{ 'D', UMODE_DEAF         },
62	>	{ 'F', UMODE_FARCONNECT   },
63	>	{ 'G', UMODE_SOFTCALLERID },
64	>	{ 'H', UMODE_HIDDEN       },
65	>	{ 'R', UMODE_REGONLY      },
66	>	{ 'S', UMODE_SSL          },
67	>	{ 'W', UMODE_WEBIRC       },
68	>	{ 'a', UMODE_ADMIN        },
69	>	{ 'b', UMODE_BOTS         },
70	>	{ 'c', UMODE_CCONN        },
71	>	{ 'd', UMODE_DEBUG        },
72	>	{ 'e', UMODE_EXTERNAL     },
73	>	{ 'f', UMODE_FULL         },
74	>	{ 'g', UMODE_CALLERID     },
75	>	{ 'i', UMODE_INVISIBLE    },
76	>	{ 'j', UMODE_REJ          },
77	>	{ 'k', UMODE_SKILL        },
78	>	{ 'l', UMODE_LOCOPS       },
79	>	{ 'n', UMODE_NCHANGE      },
80	>	{ 'o', UMODE_OPER         },
81	>	{ 'p', UMODE_HIDECHANS    },
82	>	{ 'q', UMODE_HIDEIDLE     },
83	>	{ 'r', UMODE_REGISTERED   },
84	>	{ 's', UMODE_SERVNOTICE   },
85	>	{ 'u', UMODE_UNAUTH       },
86	>	{ 'w', UMODE_WALLOP       },
87	>	{ 'y', UMODE_SPY          },
88	>	{ '\0', 0 }
89		};
90
91		void
92	<	assemble_umode_buffer(void)
92	>	user_modes_init(void)
93		{
159	–	unsigned int idx = 0;
94		char *umode_buffer_ptr = umode_buffer;
95
96	<	for (; idx < (sizeof(user_modes) / sizeof(user_modes[0])); ++idx)
97	<	if (user_modes[idx])
98	<	*umode_buffer_ptr++ = idx;
96	>	for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
97	>	{
98	>	umode_map[tab->c] = tab;
99	>	*umode_buffer_ptr++ = tab->c;
100	>	}
101
102		*umode_buffer_ptr = '\0';
103		}
#	Line 173 | Line 109 | assemble_umode_buffer(void)
109		* side effects - display to client user counts etc.
110		*/
111		void
112	<	show_lusers(struct Client *source_p)
112	>	show_lusers(struct Client *client_p)
113		{
114	<	const char *from, *to;
114	>	if (ConfigServerHide.hide_servers == 0 || HasUMode(client_p, UMODE_OPER))
115	>	sendto_one_numeric(client_p, &me, RPL_LUSERCLIENT, (dlink_list_length(&global_client_list) - Count.invisi),
116	>	Count.invisi, dlink_list_length(&global_server_list));
117	>	else
118	>	sendto_one_numeric(client_p, &me, RPL_LUSERCLIENT, (dlink_list_length(&global_client_list) - Count.invisi),
119	>	Count.invisi, 1);
120	>
121	>	if (Count.oper)
122	>	sendto_one_numeric(client_p, &me, RPL_LUSEROP, Count.oper);
123	>
124	>	if (dlink_list_length(&unknown_list))
125	>	sendto_one_numeric(client_p, &me, RPL_LUSERUNKNOWN, dlink_list_length(&unknown_list));
126
127	<	if (!MyConnect(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
127	>	if (dlink_list_length(channel_get_list()))
128	>	sendto_one_numeric(client_p, &me, RPL_LUSERCHANNELS, dlink_list_length(channel_get_list()));
129	>
130	>	if (ConfigServerHide.hide_servers == 0 || HasUMode(client_p, UMODE_OPER))
131		{
132	<	from = me.id;
133	<	to = source_p->id;
132	>	sendto_one_numeric(client_p, &me, RPL_LUSERME, dlink_list_length(&local_client_list), dlink_list_length(&local_server_list));
133	>	sendto_one_numeric(client_p, &me, RPL_LOCALUSERS, dlink_list_length(&local_client_list), Count.max_loc);
134	>	sendto_one_numeric(client_p, &me, RPL_GLOBALUSERS, dlink_list_length(&global_client_list), Count.max_tot);
135	>	sendto_one_numeric(client_p, &me, RPL_STATSCONN, Count.max_loc_con, Count.max_loc, Count.totalrestartcount);
136		}
137		else
138		{
139	<	from = me.name;
140	<	to = source_p->name;
139	>	sendto_one_numeric(client_p, &me, RPL_LUSERME, dlink_list_length(&global_client_list), 0);
140	>	sendto_one_numeric(client_p, &me, RPL_LOCALUSERS, dlink_list_length(&global_client_list), Count.max_tot);
141	>	sendto_one_numeric(client_p, &me, RPL_GLOBALUSERS, dlink_list_length(&global_client_list), Count.max_tot);
142		}
143	+	}
144
145	<	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
146	<	sendto_one(source_p, form_str(RPL_LUSERCLIENT),
147	<	from, to, (Count.total-Count.invisi),
148	<	Count.invisi, dlink_list_length(&global_serv_list));
149	<	else
150	<	sendto_one(source_p, form_str(RPL_LUSERCLIENT), from, to,
151	<	(Count.total-Count.invisi), Count.invisi, 1);
145	>	/* report_and_set_user_flags()
146	>	*
147	>	* inputs       - pointer to client_p
148	>	*              - pointer to conf for this user
149	>	* output       - NONE
150	>	* side effects - Report to user any special flags
151	>	*                they are getting, and set them.
152	>	*/
153	>	static void
154	>	report_and_set_user_flags(struct Client *client_p, const struct MaskItem *conf)
155	>	{
156	>	/* If this user is being spoofed, tell them so */
157	>	if (IsConfDoSpoofIp(conf))
158	>	sendto_one_notice(client_p, &me, ":*** Spoofing your IP");
159
160	<	if (Count.oper > 0)
161	<	sendto_one(source_p, form_str(RPL_LUSEROP),
162	<	from, to, Count.oper);
163	<
164	<	if (dlink_list_length(&unknown_list) > 0)
204	<	sendto_one(source_p, form_str(RPL_LUSERUNKNOWN),
205	<	from, to, dlink_list_length(&unknown_list));
206	<
207	<	if (dlink_list_length(&global_channel_list) > 0)
208	<	sendto_one(source_p, form_str(RPL_LUSERCHANNELS),
209	<	from, to, dlink_list_length(&global_channel_list));
210	<
211	<	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
212	<	{
213	<	sendto_one(source_p, form_str(RPL_LUSERME),
214	<	from, to, Count.local, Count.myserver);
215	<	sendto_one(source_p, form_str(RPL_LOCALUSERS),
216	<	from, to, Count.local, Count.max_loc);
160	>	/* If this user is in the exception class, set it "E lined" */
161	>	if (IsConfExemptKline(conf))
162	>	{
163	>	AddFlag(client_p, FLAGS_EXEMPTKLINE);
164	>	sendto_one_notice(client_p, &me, ":*** You are exempt from K/D lines");
165		}
166	<	else
166	>
167	>	if (IsConfExemptXline(conf))
168	>	{
169	>	AddFlag(client_p, FLAGS_EXEMPTXLINE);
170	>	sendto_one_notice(client_p, &me, ":*** You are exempt from X lines");
171	>	}
172	>
173	>	if (IsConfExemptResv(conf))
174	>	{
175	>	AddFlag(client_p, FLAGS_EXEMPTRESV);
176	>	sendto_one_notice(client_p, &me, ":*** You are exempt from resvs");
177	>	}
178	>
179	>	/* If this user is exempt from user limits set it "F lined" */
180	>	if (IsConfExemptLimits(conf))
181	>	{
182	>	AddFlag(client_p, FLAGS_NOLIMIT);
183	>	sendto_one_notice(client_p, &me, ":*** You are exempt from user limits");
184	>	}
185	>
186	>	if (IsConfCanFlood(conf))
187		{
188	<	sendto_one(source_p, form_str(RPL_LUSERME),
189	<	from, to, Count.total, 0);
190	<	sendto_one(source_p, form_str(RPL_LOCALUSERS),
191	<	from, to, Count.total, Count.max_tot);
188	>	AddFlag(client_p, FLAGS_CANFLOOD);
189	>	sendto_one_notice(client_p, &me, ":*** You are exempt from flood protection");
190	>	}
191	>	}
192	>
193	>	/* introduce_client()
194	>	*
195	>	* inputs       - client_p
196	>	* output       - NONE
197	>	* side effects - This common function introduces a client to the rest
198	>	*                of the net, either from a local client connect or
199	>	*                from a remote connect.
200	>	*/
201	>	static void
202	>	introduce_client(struct Client *client_p)
203	>	{
204	>	dlink_node *node;
205	>	char buf[UMODE_MAX_STR] = "";
206	>
207	>	send_umode(client_p, MyConnect(client_p), 0, buf);
208	>	watch_check_hash(client_p, RPL_LOGON);
209	>
210	>	if (buf[0] == '\0')
211	>	{
212	>	buf[0] = '+';
213	>	buf[1] = '\0';
214		}
215
216	<	sendto_one(source_p, form_str(RPL_GLOBALUSERS),
217	<	from, to, Count.total, Count.max_tot);
216	>	DLINK_FOREACH(node, local_server_list.head)
217	>	{
218	>	struct Client *server_p = node->data;
219
220	<	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
221	<	sendto_one(source_p, form_str(RPL_STATSCONN), from, to,
231	<	Count.max_loc_con, Count.max_loc_cli, Count.totalrestartcount);
220	>	if (server_p == client_p->from)
221	>	continue;
222
223	<	if (Count.local > Count.max_loc_cli)
224	<	Count.max_loc_cli = Count.local;
223	>	/* TBR: compatibility mode */
224	>	if (IsCapable(server_p, CAPAB_RHOST))
225	>	sendto_one(server_p, ":%s UID %s %u %ju %s %s %s %s %s %s %s :%s",
226	>	client_p->servptr->id,
227	>	client_p->name, client_p->hopcount+1,
228	>	client_p->tsinfo,
229	>	buf, client_p->username, client_p->host, client_p->realhost,
230	>	client_p->sockhost, client_p->id,
231	>	client_p->account,
232	>	client_p->info);
233	>	else
234	>	sendto_one(server_p, ":%s UID %s %u %ju %s %s %s %s %s %s :%s",
235	>	client_p->servptr->id,
236	>	client_p->name, client_p->hopcount+1,
237	>	client_p->tsinfo,
238	>	buf, client_p->username, client_p->host,
239	>	client_p->sockhost, client_p->id,
240	>	client_p->account,
241	>	client_p->info);
242
243	<	if ((Count.local + Count.myserver) > Count.max_loc_con)
244	<	Count.max_loc_con = Count.local + Count.myserver;
243	>	if (!EmptyString(client_p->certfp))
244	>	sendto_one(server_p, ":%s CERTFP %s", client_p->id, client_p->certfp);
245	>	}
246		}
247
248	<	/* show_isupport()
248	>	/* user_welcome()
249		*
250	<	* inputs       - pointer to client
250	>	* inputs       - client pointer to client to welcome
251		* output       - NONE
252	<	* side effects - display to client what we support (for them)
252	>	* side effects -
253		*/
254	<	void
255	<	show_isupport(struct Client *source_p)
254	>	static void
255	>	user_welcome(struct Client *client_p)
256		{
257	<	send_message_file(source_p, isupportFile);
257	>	static const char built_date[] = __DATE__ " at " __TIME__;
258	>
259	>	if (HasFlag(client_p, FLAGS_SSL))
260	>	{
261	>	AddUMode(client_p, UMODE_SSL);
262	>	sendto_one_notice(client_p, &me, ":*** Connected securely via %s",
263	>	tls_get_cipher(&client_p->connection->fd->ssl));
264	>	}
265	>
266	>	sendto_one_numeric(client_p, &me, RPL_WELCOME, ConfigServerInfo.network_name,
267	>	client_p->name, client_p->username, client_p->realhost);
268	>	sendto_one_numeric(client_p, &me, RPL_YOURHOST,
269	>	listener_get_name(client_p->connection->listener), PATCHLEVEL);
270	>	sendto_one_numeric(client_p, &me, RPL_CREATED, built_date);
271	>	sendto_one_numeric(client_p, &me, RPL_MYINFO, me.name, PATCHLEVEL, umode_buffer);
272	>
273	>	isupport_show(client_p);
274	>	show_lusers(client_p);
275	>	motd_signon(client_p);
276		}
277
278	<	/*
279	<	** register_local_user
280	<	**      This function is called when both NICK and USER messages
281	<	**      have been accepted for the client, in whatever order. Only
282	<	**      after this, is the USER message propagated.
283	<	**
284	<	**      NICK's must be propagated at once when received, although
285	<	**      it would be better to delay them too until full info is
286	<	**      available. Doing it is not so simple though, would have
287	<	**      to implement the following:
288	<	**
289	<	**      (actually it has been implemented already for a while) -orabidoo
290	<	**
291	<	**      1) user telnets in and gives only "NICK foobar" and waits
292	<	**      2) another user far away logs in normally with the nick
293	<	**         "foobar" (quite legal, as this server didn't propagate
294	<	**         it).
295	<	**      3) now this server gets nick "foobar" from outside, but
296	<	**         has alread the same defined locally. Current server
297	<	**         would just issue "KILL foobar" to clean out dups. But,
298	<	**         this is not fair. It should actually request another
299	<	**         nick from local user or kill him/her...
300	<	*/
278	>	/* check_xline()
279	>	*
280	>	* inputs       - pointer to client to test
281	>	* outupt       - 1 if exiting 0 if ok
282	>	* side effects -
283	>	*/
284	>	static bool
285	>	check_xline(struct Client *client_p)
286	>	{
287	>	const struct GecosItem *gecos = NULL;
288	>
289	>	if (HasFlag(client_p, FLAGS_EXEMPTXLINE))
290	>	return false;
291	>
292	>	if ((gecos = gecos_find(client_p->info, match)))
293	>	{
294	>	sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
295	>	"X-line Rejecting [%s] [%s], user %s [%s]",
296	>	client_p->info, gecos->reason,
297	>	client_get_name(client_p, HIDE_IP),
298	>	client_p->sockhost);
299	>
300	>	++ServerStats.is_ref;
301	>	exit_client(client_p, "Bad user info");
302	>	return true;
303	>	}
304	>
305	>	return false;
306	>	}
307	>
308	>	/*! \brief This function is called when both NICK and USER messages
309	>	*      have been accepted for the client, in whatever order. Only
310	>	*      after this, is the UID message propagated.
311	>	* \param client_p Pointer to given client to introduce
312	>	*/
313		void
314	<	register_local_user(struct Client *source_p)
314	>	register_local_user(struct Client *client_p)
315		{
278	–	const char *id = NULL;
316		const struct MaskItem *conf = NULL;
317
318	<	assert(source_p != NULL);
319	<	assert(source_p == source_p->from);
320	<	assert(MyConnect(source_p));
321	<	assert(!source_p->localClient->registration);
318	>	assert(client_p == client_p->from);
319	>	assert(client_p->connection->registration == 0);
320	>	assert(MyConnect(client_p));
321	>	assert(IsUnknown(client_p));
322
323	<	ClearCap(source_p, CAP_TS6);
287	<
288	<	if (ConfigFileEntry.ping_cookie)
323	>	if (ConfigGeneral.ping_cookie)
324		{
325	<	if (!IsPingSent(source_p) && source_p->localClient->random_ping == 0)
325	>	if (!HasFlag(client_p, FLAGS_PINGSENT) && client_p->connection->random_ping == 0)
326		{
327		do
328	<	source_p->localClient->random_ping = genrand_int32();
329	<	while (!source_p->localClient->random_ping);
328	>	client_p->connection->random_ping = genrand_int32();
329	>	while (client_p->connection->random_ping == 0);
330
331	<	sendto_one(source_p, "PING :%u",
332	<	source_p->localClient->random_ping);
298	<	SetPingSent(source_p);
331	>	sendto_one(client_p, "PING :%u", client_p->connection->random_ping);
332	>	AddFlag(client_p, FLAGS_PINGSENT);
333		return;
334		}
335
336	<	if (!HasPingCookie(source_p))
336	>	if (!HasFlag(client_p, FLAGS_PING_COOKIE))
337		return;
338		}
339
340	<	source_p->localClient->last_privmsg = CurrentTime;
307	<	/* Straight up the maximum rate of flooding... */
308	<	source_p->localClient->allow_read = MAX_FLOOD_BURST;
309	<
310	<	if (!check_client(source_p))
340	>	if (check_client(client_p) == 0)
341		return;
342
343	<	if (valid_hostname(source_p->host) == 0)
314	<	{
315	<	sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You have an illegal "
316	<	"character in your hostname", me.name, source_p->name);
317	<	strlcpy(source_p->host, source_p->sockhost,
318	<	sizeof(source_p->host));
319	<	}
320	<
321	<	conf = source_p->localClient->confs.head->data;
343	>	conf = client_p->connection->confs.head->data;
344
345	<	if (!IsGotId(source_p))
345	>	if (!HasFlag(client_p, FLAGS_GOTID))
346		{
347	<	char username[USERLEN + 1];
326	<	const char *p = username;
347	>	char username[USERLEN + 1] = "";
348		unsigned int i = 0;
349
350		if (IsNeedIdentd(conf))
351		{
352		++ServerStats.is_ref;
353	<	sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You need to install "
354	<	"identd to use this server", me.name, source_p->name);
355	<	exit_client(source_p, &me, "Install identd");
353	>	sendto_one_notice(client_p, &me, ":*** Notice -- You need to install "
354	>	"identd to use this server");
355	>	exit_client(client_p, "Install identd");
356		return;
357		}
358
359	<	strlcpy(username, source_p->username, sizeof(username));
359	>	strlcpy(username, client_p->username, sizeof(username));
360
361		if (!IsNoTilde(conf))
362	<	source_p->username[i++] = '~';
362	>	client_p->username[i++] = '~';
363
364	<	for (; *p && i < USERLEN; ++p)
365	<	if (*p != '[')
345	<	source_p->username[i++] = *p;
364	>	for (const char *p = username; *p && i < USERLEN; ++p)
365	>	client_p->username[i++] = *p;
366
367	<	source_p->username[i] = '\0';
367	>	client_p->username[i] = '\0';
368		}
369
370	<	/* password check */
370	>	/* Password check */
371		if (!EmptyString(conf->passwd))
372		{
373	<	const char *pass = source_p->localClient->passwd;
354	<
355	<	if (!match_conf_password(pass, conf))
373	>	if (match_conf_password(client_p->connection->password, conf) == false)
374		{
375		++ServerStats.is_ref;
376	<	sendto_one(source_p, form_str(ERR_PASSWDMISMATCH),
377	<	me.name, source_p->name);
378	<	exit_client(source_p, &me, "Bad Password");
376	>
377	>	sendto_one_numeric(client_p, &me, ERR_PASSWDMISMATCH);
378	>	exit_client(client_p, "Bad Password");
379		return;
380		}
381		}
382
383	<	/* don't free source_p->localClient->passwd here - it can be required
384	<	* by masked /stats I if there are auth{} blocks with need_password = no;
383	>	/*
384	>	* Don't free client_p->connection->password here - it can be required
385	>	* by masked /stats I if there are auth {} blocks with need_password = no;
386		* --adx
387		*/
388
389	<	/* report if user has &^>= etc. and set flags as needed in source_p */
390	<	report_and_set_user_flags(source_p, conf);
389	>	/*
390	>	* Report if user has &^>= etc. and set flags as needed in client_p
391	>	*/
392	>	report_and_set_user_flags(client_p, conf);
393
394	<	if (IsDead(source_p))
394	>	if (IsDead(client_p))
395		return;
396
397	<	/* Limit clients -
397	>	/*
398	>	* Limit clients -
399		* We want to be able to have servers and F-line clients
400		* connect, so save room for "buffer" connections.
401		* Smaller servers may want to decrease this, and it should
402		* probably be just a percentage of the MAXCLIENTS...
403		*   -Taner
404		*/
405	<	/* Except "F:" clients */
406	<	if ((Count.local >= ServerInfo.max_clients + MAX_BUFFER) ||
385	<	(Count.local >= ServerInfo.max_clients && !IsExemptLimits(source_p)))
405	>	if ((dlink_list_length(&local_client_list) >= GlobalSetOptions.maxclients + MAX_BUFFER) ||
406	>	(dlink_list_length(&local_client_list) >= GlobalSetOptions.maxclients && !HasFlag(client_p, FLAGS_NOLIMIT)))
407		{
408		sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
409		"Too many clients, rejecting %s[%s].",
410	<	source_p->name, source_p->host);
410	>	client_p->name, client_p->host);
411		++ServerStats.is_ref;
412	<	exit_client(source_p, &me, "Sorry, server is full - try later");
412	>	exit_client(client_p, "Sorry, server is full - try later");
413		return;
414		}
415
416	<	/* valid user name check */
396	<	if (valid_username(source_p->username) == 0)
416	>	if (valid_username(client_p->username, true) == false)
417		{
418	<	char tmpstr2[IRCD_BUFSIZE];
418	>	char buf[IRCD_BUFSIZE] = "";
419
420		sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
421		"Invalid username: %s (%s@%s)",
422	<	source_p->name, source_p->username, source_p->host);
422	>	client_p->name, client_p->username, client_p->host);
423		++ServerStats.is_ref;
424	<	snprintf(tmpstr2, sizeof(tmpstr2), "Invalid username [%s]",
425	<	source_p->username);
406	<	exit_client(source_p, &me, tmpstr2);
424	>	snprintf(buf, sizeof(buf), "Invalid username [%s]", client_p->username);
425	>	exit_client(client_p, buf);
426		return;
427		}
428
429	<	if (check_xline(source_p))
429	>	if (check_xline(client_p))
430		return;
431
432	<	while (hash_find_id((id = uid_get())) != NULL)
432	>	const char *id;
433	>	while (hash_find_id((id = uid_get())))
434		;
435
436	<	strlcpy(source_p->id, id, sizeof(source_p->id));
437	<	hash_add_id(source_p);
436	>	strlcpy(client_p->id, id, sizeof(client_p->id));
437	>	hash_add_id(client_p);
438
439		sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
440		"Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>",
441	<	source_p->name, source_p->username, source_p->host,
442	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
443	<	"255.255.255.255" : source_p->sockhost,
444	<	get_client_class(&source_p->localClient->confs),
425	<	source_p->info, source_p->id);
426	<
427	<	sendto_realops_flags(UMODE_CCONN_FULL, L_ALL, SEND_NOTICE,
428	<	"CLICONN %s %s %s %s %s %s %s 0 %s",
429	<	source_p->name, source_p->username, source_p->host,
430	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
431	<	"255.255.255.255" : source_p->sockhost,
432	<	get_client_class(&source_p->localClient->confs),
433	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
434	<	"<hidden>" : source_p->localClient->client_host,
435	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
436	<	"<hidden>" : source_p->localClient->client_server,
437	<	source_p->info);
438	<
441	>	client_p->name, client_p->username, client_p->realhost,
442	>	client_p->sockhost,
443	>	get_client_class(&client_p->connection->confs),
444	>	client_p->info, client_p->id);
445
446	<	if (ConfigFileEntry.invisible_on_connect)
446	>	if (ConfigGeneral.invisible_on_connect)
447		{
448	<	AddUMode(source_p, UMODE_INVISIBLE);
448	>	AddUMode(client_p, UMODE_INVISIBLE);
449		++Count.invisi;
450		}
451
452	<	if ((++Count.local) > Count.max_loc)
452	>	assert(client_p->servptr == &me);
453	>
454	>	SetClient(client_p);
455	>	client_p->connection->last_privmsg = CurrentTime;
456	>
457	>	dlinkAdd(client_p, &client_p->lnode, &client_p->servptr->serv->client_list);
458	>	dlinkAdd(client_p, &client_p->node, &global_client_list);
459	>
460	>	assert(dlinkFind(&unknown_list, client_p));
461	>
462	>	dlink_move_node(&client_p->connection->lclient_node,
463	>	&unknown_list, &local_client_list);
464	>
465	>	if (dlink_list_length(&local_client_list) > Count.max_loc)
466		{
467	<	Count.max_loc = Count.local;
467	>	Count.max_loc = dlink_list_length(&local_client_list);
468
469		if (!(Count.max_loc % 10))
470	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
471	<	"New Max Local Clients: %d",
470	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
471	>	"New maximum local client connections: %u",
472		Count.max_loc);
473		}
474
475	<	/* Increment our total user count here */
476	<	if (++Count.total > Count.max_tot)
477	<	Count.max_tot = Count.total;
478	<	++Count.totalrestartcount;
460	<
461	<	assert(source_p->servptr == &me);
462	<	SetClient(source_p);
463	<	dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
464	<
465	<	source_p->localClient->allow_read = MAX_FLOOD_BURST;
475	>	if ((dlink_list_length(&local_client_list) +
476	>	dlink_list_length(&local_server_list)) > Count.max_loc_con)
477	>	Count.max_loc_con = dlink_list_length(&local_client_list) +
478	>	dlink_list_length(&local_server_list);
479
480	<	assert(dlinkFind(&unknown_list, source_p));
481	<
482	<	dlink_move_node(&source_p->localClient->lclient_node,
470	<	&unknown_list, &local_client_list);
480	>	if (dlink_list_length(&global_client_list) > Count.max_tot)
481	>	Count.max_tot = dlink_list_length(&global_client_list);
482	>	++Count.totalrestartcount;
483
484	<	user_welcome(source_p);
473	<	add_user_host(source_p->username, source_p->host, 0);
474	<	SetUserHost(source_p);
484	>	user_welcome(client_p);
485
486	<	introduce_client(source_p);
486	>	introduce_client(client_p);
487		}
488
489		/* register_remote_user()
490		*
491	<	* inputs       - source_p remote or directly connected client
491	>	* inputs       - client_p remote or directly connected client
492		*              - username to register as
493		*              - host name to register as
494		*              - server name
485	–	*              - realname (gecos)
495		* output       - NONE
496		* side effects - This function is called when a remote client
497		*                is introduced by a server.
498		*/
499		void
500	<	register_remote_user(struct Client *source_p,
492	<	const char *username, const char *host, const char *server,
493	<	const char *realname)
500	>	register_remote_user(struct Client *client_p)
501		{
502	<	struct Client *target_p = NULL;
496	<
497	<	assert(source_p != NULL);
498	<	assert(source_p->username != username);
499	<
500	<	strlcpy(source_p->host, host, sizeof(source_p->host));
501	<	strlcpy(source_p->username, username, sizeof(source_p->username));
502	<
503	<	/*
504	<	* coming from another server, take the servers word for it
505	<	*/
506	<	source_p->servptr = hash_find_server(server);
507	<
508	<	/*
509	<	* Super GhostDetect:
510	<	* If we can't find the server the user is supposed to be on,
511	<	* then simply blow the user away.        -Taner
512	<	*/
513	<	if (source_p->servptr == NULL)
514	<	{
515	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
516	<	"No server %s for user %s[%s@%s] from %s",
517	<	server, source_p->name, source_p->username,
518	<	source_p->host, source_p->from->name);
519	<	kill_client(source_p->from, source_p, "%s (Server doesn't exist)", me.name);
520	<
521	<	AddFlag(source_p, FLAGS_KILLED);
522	<	exit_client(source_p, &me, "Ghosted Client");
523	<	return;
524	<	}
525	<
526	<	if ((target_p = source_p->servptr) && target_p->from != source_p->from)
527	<	{
528	<	sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE,
529	<	"Bad User [%s] :%s USER %s@%s %s, != %s[%s]",
530	<	source_p->from->name, source_p->name, source_p->username,
531	<	source_p->host, source_p->servptr->name,
532	<	target_p->name, target_p->from->name);
533	<	kill_client(source_p->from, source_p,
534	<	"%s (NICK from wrong direction (%s != %s))",
535	<	me.name, source_p->servptr->name, target_p->from->name);
536	<	AddFlag(source_p, FLAGS_KILLED);
537	<	exit_client(source_p, &me, "USER server wrong direction");
538	<	return;
539	<	}
502	>	assert(client_p->servptr->from == client_p->from);
503
504		/*
505		* If the nick has been introduced by a services server,
506		* make it a service as well.
507		*/
508	<	if (HasFlag(source_p->servptr, FLAGS_SERVICE))
509	<	AddFlag(source_p, FLAGS_SERVICE);
547	<
548	<	/* Increment our total user count here */
549	<	if (++Count.total > Count.max_tot)
550	<	Count.max_tot = Count.total;
551	<
552	<	SetClient(source_p);
553	<	dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
554	<	add_user_host(source_p->username, source_p->host, 1);
555	<	SetUserHost(source_p);
556	<
557	<	introduce_client(source_p);
558	<	}
559	<
560	<	/* introduce_client()
561	<	*
562	<	* inputs       - source_p
563	<	* output       - NONE
564	<	* side effects - This common function introduces a client to the rest
565	<	*                of the net, either from a local client connect or
566	<	*                from a remote connect.
567	<	*/
568	<	static void
569	<	introduce_client(struct Client *source_p)
570	<	{
571	<	dlink_node *server_node = NULL;
572	<	static char ubuf[12];
573	<
574	<	if (MyClient(source_p))
575	<	send_umode(source_p, source_p, 0, SEND_UMODES, ubuf);
576	<	else
577	<	send_umode(NULL, source_p, 0, SEND_UMODES, ubuf);
578	<
579	<	watch_check_hash(source_p, RPL_LOGON);
580	<
581	<	if (*ubuf == '\0')
582	<	{
583	<	ubuf[0] = '+';
584	<	ubuf[1] = '\0';
585	<	}
508	>	if (HasFlag(client_p->servptr, FLAGS_SERVICE))
509	>	AddFlag(client_p, FLAGS_SERVICE);
510
511	<	DLINK_FOREACH(server_node, serv_list.head)
512	<	{
513	<	struct Client *server = server_node->data;
514	<
515	<	if (server == source_p->from)
516	<	continue;
511	>	SetClient(client_p);
512	>	dlinkAdd(client_p, &client_p->lnode, &client_p->servptr->serv->client_list);
513	>	dlinkAdd(client_p, &client_p->node, &global_client_list);
514	>
515	>	if (dlink_list_length(&global_client_list) > Count.max_tot)
516	>	Count.max_tot = dlink_list_length(&global_client_list);
517	>
518	>	if (HasFlag(client_p->servptr, FLAGS_EOB))
519	>	sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
520	>	"Client connecting at %s: %s (%s@%s) [%s] [%s] <%s>",
521	>	client_p->servptr->name,
522	>	client_p->name, client_p->username, client_p->realhost,
523	>	client_p->sockhost, client_p->info, client_p->id);
524
525	<	if (IsCapable(server, CAP_SVS))
595	<	{
596	<	if (IsCapable(server, CAP_TS6) && HasID(source_p))
597	<	sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s %s :%s",
598	<	source_p->servptr->id,
599	<	source_p->name, source_p->hopcount+1,
600	<	(unsigned long)source_p->tsinfo,
601	<	ubuf, source_p->username, source_p->host,
602	<	(MyClient(source_p) && IsIPSpoof(source_p)) ?
603	<	"0" : source_p->sockhost, source_p->id,
604	<	source_p->svid,
605	<	source_p->info);
606	<	else
607	<	sendto_one(server, "NICK %s %d %lu %s %s %s %s %s :%s",
608	<	source_p->name, source_p->hopcount+1,
609	<	(unsigned long)source_p->tsinfo,
610	<	ubuf, source_p->username, source_p->host,
611	<	source_p->servptr->name, source_p->svid,
612	<	source_p->info);
613	<
614	<	}
615	<	else
616	<	{
617	<	if (IsCapable(server, CAP_TS6) && HasID(source_p))
618	<	sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s :%s",
619	<	source_p->servptr->id,
620	<	source_p->name, source_p->hopcount+1,
621	<	(unsigned long)source_p->tsinfo,
622	<	ubuf, source_p->username, source_p->host,
623	<	(MyClient(source_p) && IsIPSpoof(source_p)) ?
624	<	"0" : source_p->sockhost, source_p->id, source_p->info);
625	<	else
626	<	sendto_one(server, "NICK %s %d %lu %s %s %s %s :%s",
627	<	source_p->name, source_p->hopcount+1,
628	<	(unsigned long)source_p->tsinfo,
629	<	ubuf, source_p->username, source_p->host,
630	<	source_p->servptr->name, source_p->info);
631	<	}
632	<	}
525	>	introduce_client(client_p);
526		}
527
528		/* valid_hostname()
#	Line 641 | Line 534 | introduce_client(struct Client *source_p
534		* NOTE: this doesn't allow a hostname to begin with a dot and
535		* will not allow more dots than chars.
536		*/
537	<	int
537	>	bool
538		valid_hostname(const char *hostname)
539		{
540		const char *p = hostname;
541
542	<	assert(p != NULL);
542	>	assert(p);
543
544	<	if (*p == '.' || *p == ':')
545	<	return 0;
544	>	if (EmptyString(p) || *p == '.' || *p == ':')
545	>	return false;
546
547		for (; *p; ++p)
548		if (!IsHostChar(*p))
549	<	return 0;
549	>	return false;
550
551		return p - hostname <= HOSTLEN;
552		}
#	Line 669 | Line 562 | valid_hostname(const char *hostname)
562		* Allow '.' in username to allow for "first.last"
563		* style of username
564		*/
565	<	int
566	<	valid_username(const char *username)
565	>	bool
566	>	valid_username(const char *username, bool local)
567		{
675	–	int dots      = 0;
568		const char *p = username;
569
570	<	assert(p != NULL);
570	>	assert(p);
571
572		if (*p == '~')
573		++p;
574
575	<	/* reject usernames that don't start with an alphanum
575	>	/*
576	>	* Reject usernames that don't start with an alphanum
577		* i.e. reject jokers who have '-@somehost' or '.@somehost'
578		* or "-hi-@somehost", "h-----@somehost" would still be accepted.
579		*/
580		if (!IsAlNum(*p))
581	<	return 0;
581	>	return false;
582
583	<	while (*++p)
583	>	if (local)
584		{
585	<	if ((*p == '.') && ConfigFileEntry.dots_in_ident)
585	>	unsigned int dots = 0;
586	>
587	>	while (*++p)
588		{
589	<	if (++dots > ConfigFileEntry.dots_in_ident)
590	<	return 0;
591	<	if (!IsUserChar(*(p + 1)))
592	<	return 0;
589	>	if (*p == '.' && ConfigGeneral.dots_in_ident)
590	>	{
591	>	if (++dots > ConfigGeneral.dots_in_ident)
592	>	return false;
593	>	if (!IsUserChar(*(p + 1)))
594	>	return false;
595	>	}
596	>	else if (!IsUserChar(*p))
597	>	return false;
598		}
599	<	else if (!IsUserChar(*p))
600	<	return 0;
599	>	}
600	>	else
601	>	{
602	>	while (*++p)
603	>	if (!IsUserChar(*p))
604	>	return false;
605		}
606
607	<	return 1;
607	>	return p - username <= USERLEN;
608		}
609
610		/* clean_nick_name()
#	Line 710 | Line 614 | valid_username(const char *username)
614		* output       - none
615		* side effects - walks through the nickname, returning 0 if erroneous
616		*/
617	<	int
618	<	valid_nickname(const char *nickname, const int local)
617	>	bool
618	>	valid_nickname(const char *nickname, bool local)
619		{
620		const char *p = nickname;
717	–	assert(nickname && *nickname);
621
622	<	/* nicks can't start with a digit or - or be 0 length */
623	<	/* This closer duplicates behaviour of hybrid-6 */
624	<	if (*p == '-' || (IsDigit(*p) && local) || *p == '\0')
625	<	return 0;
622	>	assert(p);
623	>
624	>	/*
625	>	* Nicks can't start with a digit or - or be 0 length.
626	>	*/
627	>	if (EmptyString(p) || *p == '-' || (IsDigit(*p) && local))
628	>	return false;
629
630		for (; *p; ++p)
631		if (!IsNickChar(*p))
632	<	return 0;
632	>	return false;
633
634		return p - nickname <= NICKLEN;
635		}
636
637	<	/* report_and_set_user_flags()
638	<	*
639	<	* inputs       - pointer to source_p
640	<	*              - pointer to conf for this user
641	<	* output       - NONE
736	<	* side effects - Report to user any special flags
737	<	*                they are getting, and set them.
738	<	*/
739	<	static void
740	<	report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
741	<	{
742	<	/* If this user is being spoofed, tell them so */
743	<	if (IsConfDoSpoofIp(conf))
744	<	{
745	<	sendto_one(source_p,
746	<	":%s NOTICE %s :*** Spoofing your IP. congrats.",
747	<	me.name, source_p->name);
748	<	}
749	<
750	<	/* If this user is in the exception class, Set it "E lined" */
751	<	if (IsConfExemptKline(conf))
752	<	{
753	<	SetExemptKline(source_p);
754	<	sendto_one(source_p,
755	<	":%s NOTICE %s :*** You are exempt from K/D/G lines. congrats.",
756	<	me.name, source_p->name);
757	<	}
758	<
759	<	/* The else here is to make sure that G line exempt users
760	<	* do not get noticed twice.
761	<	*/
762	<	else if (IsConfExemptGline(conf))
763	<	{
764	<	SetExemptGline(source_p);
765	<	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from G lines.",
766	<	me.name, source_p->name);
767	<	}
768	<
769	<	if (IsConfExemptResv(conf))
770	<	{
771	<	SetExemptResv(source_p);
772	<	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from resvs.",
773	<	me.name, source_p->name);
774	<	}
775	<
776	<	/* If this user is exempt from user limits set it "F lined" */
777	<	if (IsConfExemptLimits(conf))
778	<	{
779	<	SetExemptLimits(source_p);
780	<	sendto_one(source_p,
781	<	":%s NOTICE %s :*** You are exempt from user limits. congrats.",
782	<	me.name,source_p->name);
783	<	}
784	<
785	<	if (IsConfCanFlood(conf))
786	<	{
787	<	SetCanFlood(source_p);
788	<	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from flood "
789	<	"protection, aren't you fearsome.",
790	<	me.name, source_p->name);
791	<	}
792	<	}
793	<
794	<	/* change_simple_umode()
795	<	*
796	<	* this callback can be hooked to allow special handling of
797	<	* certain usermodes
798	<	*/
799	<	static void *
800	<	change_simple_umode(va_list args)
801	<	{
802	<	struct Client *client_p;
803	<	struct Client *source_p;
804	<	int what;
805	<	unsigned int flag;
806	<
807	<	client_p = va_arg(args, struct Client *);
808	<	source_p = va_arg(args, struct Client *);
809	<	what = va_arg(args, int);
810	<	flag = va_arg(args, unsigned int);
811	<
812	<	if (what == MODE_ADD)
813	<	AddUMode(source_p, flag);
814	<	else
815	<	DelUMode(source_p, flag);
816	<
817	<	return NULL;
818	<	}
819	<
820	<	/* set_user_mode()
821	<	*
822	<	* added 15/10/91 By Darren Reed.
823	<	* parv[0] - sender
824	<	* parv[1] - username to change mode for
825	<	* parv[2] - modes to change
826	<	*/
827	<	void
828	<	set_user_mode(struct Client *client_p, struct Client *source_p,
829	<	const int parc, char *parv[])
830	<	{
831	<	unsigned int flag, setflags;
832	<	char **p, *m, buf[IRCD_BUFSIZE];
833	<	struct Client *target_p;
834	<	int what = MODE_ADD, badflag = 0, i;
835	<
836	<	assert(!(parc < 2));
837	<
838	<	if ((target_p = find_person(client_p, parv[1])) == NULL)
839	<	{
840	<	if (MyConnect(source_p))
841	<	sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
842	<	me.name, source_p->name, parv[1]);
843	<	return;
844	<	}
845	<
846	<	if (source_p != target_p)
847	<	{
848	<	sendto_one(source_p, form_str(ERR_USERSDONTMATCH),
849	<	me.name, source_p->name);
850	<	return;
851	<	}
852	<
853	<	if (parc < 3)
854	<	{
855	<	m = buf;
856	<	*m++ = '+';
857	<
858	<	for (i = 0; i < 128; i++)
859	<	if (HasUMode(source_p, user_modes[i]))
860	<	*m++ = (char)i;
861	<	*m = '\0';
862	<
863	<	sendto_one(source_p, form_str(RPL_UMODEIS),
864	<	me.name, source_p->name, buf);
865	<	return;
866	<	}
867	<
868	<	execute_callback(entering_umode_cb, client_p, source_p);
869	<
870	<	/* find flags already set for user */
871	<	setflags = source_p->umodes;
872	<
873	<	/* parse mode change string(s) */
874	<	for (p = &parv[2]; p && *p; p++)
875	<	{
876	<	for (m = *p; *m; m++)
877	<	{
878	<	switch (*m)
879	<	{
880	<	case '+':
881	<	what = MODE_ADD;
882	<	break;
883	<	case '-':
884	<	what = MODE_DEL;
885	<	break;
886	<	case 'o':
887	<	if (what == MODE_ADD)
888	<	{
889	<	if (IsServer(client_p) && !HasUMode(source_p, UMODE_OPER))
890	<	{
891	<	++Count.oper;
892	<	SetOper(source_p);
893	<	}
894	<	}
895	<	else
896	<	{
897	<	/* Only decrement the oper counts if an oper to begin with
898	<	* found by Pat Szuta, Perly , perly@xnet.com
899	<	*/
900	<	if (!HasUMode(source_p, UMODE_OPER))
901	<	break;
902	<
903	<	ClearOper(source_p);
904	<	Count.oper--;
905	<
906	<	if (MyConnect(source_p))
907	<	{
908	<	dlink_node *dm;
909	<
910	<	detach_conf(source_p, CONF_OPER);
911	<	ClrOFlag(source_p);
912	<	DelUMode(source_p, ConfigFileEntry.oper_only_umodes);
913	<
914	<	if ((dm = dlinkFindDelete(&oper_list, source_p)) != NULL)
915	<	free_dlink_node(dm);
916	<	}
917	<	}
918	<
919	<	break;
920	<
921	<	/* we may not get these,
922	<	* but they shouldnt be in default
923	<	*/
924	<	case 'r':
925	<	case ' ' :
926	<	case '\n':
927	<	case '\r':
928	<	case '\t':
929	<	break;
930	<
931	<	default:
932	<	if ((flag = user_modes[(unsigned char)*m]))
933	<	{
934	<	if (MyConnect(source_p) && !HasUMode(source_p, UMODE_OPER) &&
935	<	(ConfigFileEntry.oper_only_umodes & flag))
936	<	{
937	<	badflag = 1;
938	<	}
939	<	else
940	<	execute_callback(umode_cb, client_p, source_p, what, flag);
941	<	}
942	<	else
943	<	{
944	<	if (MyConnect(source_p))
945	<	badflag = 1;
946	<	}
947	<
948	<	break;
949	<	}
950	<	}
951	<	}
952	<
953	<	if (badflag)
954	<	sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG),
955	<	me.name, source_p->name);
956	<
957	<	if (HasUMode(source_p, UMODE_NCHANGE) && !HasOFlag(source_p, OPER_FLAG_N))
958	<	{
959	<	sendto_one(source_p, ":%s NOTICE %s :*** You have no nchange flag;",
960	<	me.name, source_p->name);
961	<	DelUMode(source_p, UMODE_NCHANGE);
962	<	}
963	<
964	<	if (MyConnect(source_p) && HasUMode(source_p, UMODE_ADMIN) &&
965	<	!HasOFlag(source_p, OPER_FLAG_ADMIN))
966	<	{
967	<	sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;",
968	<	me.name, source_p->name);
969	<	DelUMode(source_p, UMODE_ADMIN);
970	<	}
971	<
972	<	if (!(setflags & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
973	<	++Count.invisi;
974	<	if ((setflags & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE))
975	<	--Count.invisi;
976	<
977	<	/*
978	<	* compare new flags with old flags and send string which
979	<	* will cause servers to update correctly.
980	<	*/
981	<	send_umode_out(client_p, source_p, setflags);
982	<	}
983	<
984	<	/* send_umode()
985	<	* send the MODE string for user (user) to connection client_p
986	<	* -avalon
987	<	*
988	<	* inputs       - client_p
989	<	*              - source_p
990	<	*              - int old
991	<	*              - sendmask mask of modes to send
992	<	*              - suplied umode_buf
993	<	* output       - NONE
637	>	/*! \brief Builds a mode change string to buffer pointed by \a buf
638	>	* \param client_p  Pointer to client
639	>	* \param dispatch  Whether to send a MODE message to client_p
640	>	* \param old       Old user mode to compare against when building new mode buffer
641	>	* \param buf       Pointer to buffer to build string in
642		*/
643		void
644	<	send_umode(struct Client *client_p, struct Client *source_p,
997	<	unsigned int old, unsigned int sendmask, char *umode_buf)
644	>	send_umode(struct Client *client_p, bool dispatch, unsigned int old, char *buf)
645		{
646	<	char *m = umode_buf;
646	>	char *m = buf;
647		int what = 0;
1001	–	unsigned int i;
1002	–	unsigned int flag;
648
649		/*
650	<	* build a string in umode_buf to represent the change in the user's
651	<	* mode between the new (source_p->umodes) and 'old'.
650	>	* Build a string in umode_buf to represent the change in the user's
651	>	* mode between the new (client_p->umodes) and 'old'.
652		*/
653	<	for (i = 0; i < 128; i++)
653	>	for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
654		{
655	<	flag = user_modes[i];
1011	<	if (!flag)
1012	<	continue;
1013	<
1014	<	if (MyClient(source_p) && !(flag & sendmask))
1015	<	continue;
1016	<
1017	<	if ((flag & old) && !HasUMode(source_p, flag))
655	>	if ((tab->flag & old) && !HasUMode(client_p, tab->flag))
656		{
657		if (what == MODE_DEL)
658	<	*m++ = (char)i;
658	>	*m++ = tab->c;
659		else
660		{
661		what = MODE_DEL;
662		*m++ = '-';
663	<	*m++ = (char)i;
663	>	*m++ = tab->c;
664		}
665		}
666	<	else if (!(flag & old) && HasUMode(source_p, flag))
666	>	else if (!(tab->flag & old) && HasUMode(client_p, tab->flag))
667		{
668		if (what == MODE_ADD)
669	<	*m++ = (char)i;
669	>	*m++ = tab->c;
670		else
671		{
672		what = MODE_ADD;
673		*m++ = '+';
674	<	*m++ = (char)i;
674	>	*m++ = tab->c;
675		}
676		}
677		}
678
679		*m = '\0';
680
681	<	if (*umode_buf && client_p)
681	>	if (dispatch == true && *buf)
682		sendto_one(client_p, ":%s!%s@%s MODE %s :%s",
683	<	source_p->name, source_p->username,
684	<	source_p->host, source_p->name, umode_buf);
683	>	client_p->name, client_p->username,
684	>	client_p->host, client_p->name, buf);
685		}
686
687		/* send_umode_out()
#	Line 1053 | Line 691 | send_umode(struct Client *client_p, stru
691		* side effects - Only send ubuf out to servers that know about this client
692		*/
693		void
694	<	send_umode_out(struct Client *client_p, struct Client *source_p,
1057	<	unsigned int old)
694	>	send_umode_out(struct Client *client_p, unsigned int old)
695		{
696	<	char buf[IRCD_BUFSIZE] = { '\0' };
1060	<	dlink_node *ptr = NULL;
696	>	char buf[UMODE_MAX_STR] = "";
697
698	<	send_umode(NULL, source_p, old, SEND_UMODES, buf);
698	>	send_umode(client_p, MyConnect(client_p), old, buf);
699
700		if (buf[0])
701	<	{
702	<	DLINK_FOREACH(ptr, serv_list.head)
1067	<	{
1068	<	struct Client *target_p = ptr->data;
1069	<
1070	<	if ((target_p != client_p) && (target_p != source_p))
1071	<	sendto_one(target_p, ":%s MODE %s :%s",
1072	<	ID_or_name(source_p, target_p),
1073	<	ID_or_name(source_p, target_p), buf);
1074	<	}
1075	<	}
1076	<
1077	<	if (client_p && MyClient(client_p))
1078	<	send_umode(client_p, source_p, old, 0xffffffff, buf);
701	>	sendto_server(client_p, 0, 0, ":%s MODE %s :%s",
702	>	client_p->id, client_p->id, buf);
703		}
704
705		void
706	<	user_set_hostmask(struct Client *target_p, const char *hostname)
706	>	user_set_hostmask(struct Client *client_p, const char *hostname)
707		{
708	<	if (!valid_hostname(hostname))
1085	<	return;
1086	<
1087	<	if (IsUserHostIp(target_p))
1088	<	delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));
1089	<
1090	<	strlcpy(target_p->host, hostname, sizeof(target_p->host));
1091	<	SetIPSpoof(target_p);
1092	<
1093	<	add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
1094	<	SetUserHost(target_p);
1095	<
1096	<	if (MyClient(target_p))
1097	<	clear_ban_cache_client(target_p);
1098	<	}
708	>	dlink_node *node;
709
710	<	/* user_welcome()
711	<	*
1102	<	* inputs       - client pointer to client to welcome
1103	<	* output       - NONE
1104	<	* side effects -
1105	<	*/
1106	<	static void
1107	<	user_welcome(struct Client *source_p)
1108	<	{
1109	<	#if defined(__TIME__) && defined(__DATE__)
1110	<	static const char built_date[] = __DATE__ " at " __TIME__;
1111	<	#else
1112	<	static const char built_date[] = "unknown";
1113	<	#endif
1114	<
1115	<	#ifdef HAVE_LIBCRYPTO
1116	<	if (source_p->localClient->fd.ssl != NULL)
1117	<	sendto_one(source_p, ":%s NOTICE %s :*** Connected securely via %s",
1118	<	me.name, source_p->name,
1119	<	ssl_get_cipher(source_p->localClient->fd.ssl));
1120	<	#endif
1121	<
1122	<	sendto_one(source_p, form_str(RPL_WELCOME), me.name, source_p->name,
1123	<	ServerInfo.network_name, source_p->name,
1124	<	source_p->username, source_p->host);
1125	<	sendto_one(source_p, form_str(RPL_YOURHOST), me.name, source_p->name,
1126	<	get_listener_name(source_p->localClient->listener), ircd_version);
1127	<	sendto_one(source_p, form_str(RPL_CREATED),
1128	<	me.name, source_p->name, built_date);
1129	<	sendto_one(source_p, form_str(RPL_MYINFO),
1130	<	me.name, source_p->name, me.name, ircd_version, umode_buffer);
1131	<	show_isupport(source_p);
1132	<
1133	<	if (source_p->id[0] != '\0')
1134	<	sendto_one(source_p, form_str(RPL_YOURID), me.name,
1135	<	source_p->name, source_p->id);
1136	<
1137	<	show_lusers(source_p);
1138	<
1139	<	if (ConfigFileEntry.short_motd)
1140	<	{
1141	<	sendto_one(source_p, ":%s NOTICE %s :*** Notice -- motd was last changed at %s",
1142	<	me.name, source_p->name, ConfigFileEntry.motd.lastChangedDate);
1143	<	sendto_one(source_p,
1144	<	":%s NOTICE %s :*** Notice -- Please read the motd if you haven't "
1145	<	"read it", me.name, source_p->name);
1146	<	sendto_one(source_p, form_str(RPL_MOTDSTART),
1147	<	me.name, source_p->name, me.name);
1148	<	sendto_one(source_p, form_str(RPL_MOTD),
1149	<	me.name, source_p->name,
1150	<	"*** This is the short motd ***");
1151	<	sendto_one(source_p, form_str(RPL_ENDOFMOTD),
1152	<	me.name, source_p->name);
1153	<	}
1154	<	else
1155	<	send_message_file(source_p, &ConfigFileEntry.motd);
1156	<	}
1157	<
1158	<	/* check_xline()
1159	<	*
1160	<	* inputs       - pointer to client to test
1161	<	* outupt       - 1 if exiting 0 if ok
1162	<	* side effects -
1163	<	*/
1164	<	static int
1165	<	check_xline(struct Client *source_p)
1166	<	{
1167	<	struct MaskItem *conf = NULL;
1168	<	const char *reason = NULL;
1169	<
1170	<	if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)) ||
1171	<	(conf = find_matching_name_conf(CONF_RXLINE, source_p->info, NULL, NULL, 0)))
1172	<	{
1173	<	++conf->count;
1174	<
1175	<	if (conf->reason != NULL)
1176	<	reason = conf->reason;
1177	<	else
1178	<	reason = "No Reason";
1179	<
1180	<	sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
1181	<	"X-line Rejecting [%s] [%s], user %s [%s]",
1182	<	source_p->info, reason,
1183	<	get_client_name(source_p, HIDE_IP),
1184	<	source_p->sockhost);
1185	<
1186	<	++ServerStats.is_ref;
1187	<	exit_client(source_p, &me, "Bad user info");
1188	<	return 1;
1189	<	}
1190	<
1191	<	return 0;
1192	<	}
1193	<
1194	<	/* oper_up()
1195	<	*
1196	<	* inputs       - pointer to given client to oper
1197	<	* output       - NONE
1198	<	* side effects - Blindly opers up given source_p, using conf info
1199	<	*                all checks on passwords have already been done.
1200	<	*                This could also be used by rsa oper routines.
1201	<	*/
1202	<	void
1203	<	oper_up(struct Client *source_p)
1204	<	{
1205	<	const unsigned int old = source_p->umodes;
1206	<	const struct MaskItem *conf = source_p->localClient->confs.head->data;
1207	<
1208	<	assert(source_p->localClient->confs.head);
1209	<
1210	<	++Count.oper;
1211	<	SetOper(source_p);
1212	<
1213	<	if (conf->modes)
1214	<	AddUMode(source_p, conf->modes);
1215	<	else if (ConfigFileEntry.oper_umodes)
1216	<	AddUMode(source_p, ConfigFileEntry.oper_umodes);
1217	<
1218	<	if (!(old & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
1219	<	++Count.invisi;
1220	<	if ((old & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE))
1221	<	--Count.invisi;
1222	<
1223	<	assert(dlinkFind(&oper_list, source_p) == NULL);
1224	<	dlinkAdd(source_p, make_dlink_node(), &oper_list);
1225	<
1226	<	AddOFlag(source_p, conf->port);
1227	<
1228	<	if (HasOFlag(source_p, OPER_FLAG_ADMIN))
1229	<	AddUMode(source_p, UMODE_ADMIN);
1230	<	if (!HasOFlag(source_p, OPER_FLAG_N))
1231	<	DelUMode(source_p, UMODE_NCHANGE);
1232	<
1233	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, "%s is now an operator",
1234	<	get_oper_name(source_p));
1235	<	send_umode_out(source_p, source_p, old);
1236	<	sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name);
1237	<	}
1238	<
1239	<	static char new_uid[TOTALSIDUID + 1];     /* allow for \0 */
1240	<
1241	<	int
1242	<	valid_sid(const char *sid)
1243	<	{
1244	<	if (strlen(sid) == IRC_MAXSID)
1245	<	if (IsDigit(*sid))
1246	<	if (IsAlNum(*(sid + 1)) && IsAlNum(*(sid + 2)))
1247	<	return 1;
1248	<
1249	<	return 0;
1250	<	}
1251	<
1252	<	/*
1253	<	* init_uid()
1254	<	*
1255	<	* inputs       - NONE
1256	<	* output       - NONE
1257	<	* side effects - new_uid is filled in with server id portion (sid)
1258	<	*                (first 3 bytes) or defaulted to 'A'.
1259	<	*                Rest is filled in with 'A'
1260	<	*/
1261	<	void
1262	<	init_uid(void)
1263	<	{
1264	<	unsigned int i;
1265	<
1266	<	memset(new_uid, 0, sizeof(new_uid));
1267	<
1268	<	if (!EmptyString(ServerInfo.sid))
1269	<	strlcpy(new_uid, ServerInfo.sid, sizeof(new_uid));
710	>	if (strcmp(client_p->host, hostname) == 0)
711	>	return;
712
713	<	for (i = 0; i < IRC_MAXSID; ++i)
714	<	if (new_uid[i] == '\0')
715	<	new_uid[i] = 'A';
713	>	if (ConfigGeneral.cycle_on_host_change)
714	>	sendto_common_channels_local(client_p, false, 0, CAP_CHGHOST, ":%s!%s@%s QUIT :Changing hostname",
715	>	client_p->name, client_p->username, client_p->host);
716
717	<	/* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
718	<	/* Yes nenolod, I have known it was off by one ever since I wrote it
719	<	* But *JUST* for you, though, it really doesn't look as *pretty*
1278	<	* -Dianora
1279	<	*/
1280	<	memcpy(new_uid + IRC_MAXSID, "AAAAA@", IRC_MAXUID);
717	>	sendto_common_channels_local(client_p, false, CAP_CHGHOST, 0, ":%s!%s@%s CHGHOST %s %s",
718	>	client_p->name, client_p->username,
719	>	client_p->host, client_p->username, hostname);
720
721	<	entering_umode_cb = register_callback("entering_umode", NULL);
1283	<	umode_cb = register_callback("changing_umode", change_simple_umode);
1284	<	}
721	>	strlcpy(client_p->host, hostname, sizeof(client_p->host));
722
723	<	/*
1287	<	* add_one_to_uid
1288	<	*
1289	<	* inputs       - index number into new_uid
1290	<	* output       - NONE
1291	<	* side effects - new_uid is incremented by one
1292	<	*                note this is a recursive function
1293	<	*/
1294	<	static void
1295	<	add_one_to_uid(int i)
1296	<	{
1297	<	if (i != IRC_MAXSID)    /* Not reached server SID portion yet? */
723	>	if (MyConnect(client_p))
724		{
725	<	if (new_uid[i] == 'Z')
726	<	new_uid[i] = '0';
1301	<	else if (new_uid[i] == '9')
1302	<	{
1303	<	new_uid[i] = 'A';
1304	<	add_one_to_uid(i-1);
1305	<	}
1306	<	else
1307	<	++new_uid[i];
725	>	sendto_one_numeric(client_p, &me, RPL_VISIBLEHOST, client_p->host);
726	>	clear_ban_cache_list(&client_p->channel);
727		}
1309	–	else
1310	–	{
1311	–	/* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1312	–	if (new_uid[i] == 'Z')
1313	–	memcpy(new_uid + IRC_MAXSID, "AAAAAA", IRC_MAXUID);
1314	–	else
1315	–	++new_uid[i];
1316	–	}
1317	–	}
1318	–
1319	–	/*
1320	–	* uid_get
1321	–	*
1322	–	* inputs       - struct Client *
1323	–	* output       - new UID is returned to caller
1324	–	* side effects - new_uid is incremented by one.
1325	–	*/
1326	–	static const char *
1327	–	uid_get(void)
1328	–	{
1329	–	add_one_to_uid(TOTALSIDUID - 1);    /* index from 0 */
1330	–	return new_uid;
1331	–	}
728
729	<	/*
730	<	* init_isupport()
1335	<	*
1336	<	* input        - NONE
1337	<	* output       - NONE
1338	<	* side effects - Must be called before isupport is enabled
1339	<	*/
1340	<	void
1341	<	init_isupport(void)
1342	<	{
1343	<	isupportFile = init_MessageLine();
1344	<
1345	<	add_isupport("CALLERID", NULL, -1);
1346	<	add_isupport("CASEMAPPING", CASEMAP, -1);
1347	<	add_isupport("DEAF", "D", -1);
1348	<	add_isupport("KICKLEN", NULL, KICKLEN);
1349	<	add_isupport("MODES", NULL, MAXMODEPARAMS);
1350	<	#ifdef HALFOPS
1351	<	add_isupport("PREFIX", "(ohv)@%+", -1);
1352	<	add_isupport("STATUSMSG", "@%+", -1);
1353	<	#else
1354	<	add_isupport("PREFIX", "(ov)@+", -1);
1355	<	add_isupport("STATUSMSG", "@+", -1);
1356	<	#endif
1357	<	}
1358	<
1359	<	/*
1360	<	* add_isupport()
1361	<	*
1362	<	* input        - name of supported function
1363	<	*              - options if any
1364	<	*              - number if any
1365	<	* output       - NONE
1366	<	* side effects - Each supported item must call this when activated
1367	<	*/
1368	<	void
1369	<	add_isupport(const char *name, const char *options, int n)
1370	<	{
1371	<	dlink_node *ptr;
1372	<	struct Isupport *support;
1373	<
1374	<	DLINK_FOREACH(ptr, support_list.head)
1375	<	{
1376	<	support = ptr->data;
1377	<	if (irccmp(support->name, name) == 0)
1378	<	{
1379	<	MyFree(support->name);
1380	<	MyFree(support->options);
1381	<	break;
1382	<	}
1383	<	}
729	>	if (ConfigGeneral.cycle_on_host_change == 0)
730	>	return;
731
732	<	if (ptr == NULL)
732	>	DLINK_FOREACH(node, client_p->channel.head)
733		{
734	<	support = MyMalloc(sizeof(*support));
735	<	dlinkAddTail(support, &support->node, &support_list);
736	<	}
737	<
738	<	support->name = xstrdup(name);
1392	<	if (options != NULL)
1393	<	support->options = xstrdup(options);
1394	<	support->number = n;
1395	<
1396	<	rebuild_isupport_message_line();
1397	<	}
1398	<
1399	<	/*
1400	<	* delete_isupport()
1401	<	*
1402	<	* input        - name of supported function
1403	<	* output       - NONE
1404	<	* side effects - Each supported item must call this when deactivated
1405	<	*/
1406	<	void
1407	<	delete_isupport(const char *name)
1408	<	{
1409	<	dlink_node *ptr;
1410	<	struct Isupport *support;
734	>	char modebuf[CMEMBER_STATUS_FLAGS_LEN + 1];
735	>	char nickbuf[CMEMBER_STATUS_FLAGS_LEN * NICKLEN + CMEMBER_STATUS_FLAGS_LEN] = "";
736	>	char *p = modebuf;
737	>	int len = 0;
738	>	const struct Membership *member = node->data;
739
740	<	DLINK_FOREACH(ptr, support_list.head)
1413	<	{
1414	<	support = ptr->data;
1415	<	if (irccmp(support->name, name) == 0)
740	>	if (has_member_flags(member, CHFL_CHANOP))
741		{
742	<	dlinkDelete(ptr, &support_list);
743	<	MyFree(support->name);
1419	<	MyFree(support->options);
1420	<	MyFree(support);
1421	<	break;
742	>	*p++ = 'o';
743	>	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", client_p->name);
744		}
1423	–	}
745
746	<	rebuild_isupport_message_line();
1426	<	}
1427	<
1428	<	/*
1429	<	* rebuild_isupport_message_line
1430	<	*
1431	<	* input        - NONE
1432	<	* output       - NONE
1433	<	* side effects - Destroy the isupport MessageFile lines, and rebuild.
1434	<	*/
1435	<	void
1436	<	rebuild_isupport_message_line(void)
1437	<	{
1438	<	char isupportbuffer[IRCD_BUFSIZE];
1439	<	char *p = isupportbuffer;
1440	<	dlink_node *ptr = NULL;
1441	<	int n = 0;
1442	<	int tokens = 0;
1443	<	size_t len = 0;
1444	<	size_t reserve = strlen(me.name) + HOSTLEN + strlen(form_str(RPL_ISUPPORT));
1445	<
1446	<	destroy_MessageLine(isupportFile);
1447	<
1448	<	DLINK_FOREACH(ptr, support_list.head)
1449	<	{
1450	<	struct Isupport *support = ptr->data;
1451	<
1452	<	p += (n = sprintf(p, "%s", support->name));
1453	<	len += n;
1454	<
1455	<	if (support->options != NULL)
746	>	if (has_member_flags(member, CHFL_HALFOP))
747		{
748	<	p += (n = sprintf(p, "=%s", support->options));
749	<	len += n;
748	>	*p++ = 'h';
749	>	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", client_p->name);
750		}
751
752	<	if (support->number > 0)
752	>	if (has_member_flags(member, CHFL_VOICE))
753		{
754	<	p += (n = sprintf(p, "=%d", support->number));
755	<	len += n;
754	>	*p++ = 'v';
755	>	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", client_p->name);
756		}
757
1467	–	*p++ = ' ';
1468	–	len++;
758		*p = '\0';
759
760	<	if (++tokens == (MAXPARA-2) || len >= (sizeof(isupportbuffer)-reserve))
761	<	{ /* arbritrary for now */
762	<	if (*--p == ' ')
763	<	*p = '\0';
764	<
765	<	addto_MessageLine(isupportFile, isupportbuffer);
766	<	p = isupportbuffer;
767	<	len = 0;
768	<	n = tokens = 0;
769	<	}
770	<	}
771	<
772	<	if (len != 0)
773	<	{
774	<	if (*--p == ' ')
775	<	*p = '\0';
776	<	addto_MessageLine(isupportFile, isupportbuffer);
777	<	}
760	>	sendto_channel_local(client_p, member->chptr, 0, CAP_EXTENDED_JOIN, CAP_CHGHOST, ":%s!%s@%s JOIN %s %s :%s",
761	>	client_p->name, client_p->username,
762	>	client_p->host, member->chptr->name,
763	>	client_p->account, client_p->info);
764	>	sendto_channel_local(client_p, member->chptr, 0, 0, CAP_EXTENDED_JOIN | CAP_CHGHOST, ":%s!%s@%s JOIN :%s",
765	>	client_p->name, client_p->username,
766	>	client_p->host, member->chptr->name);
767	>
768	>	if (nickbuf[0])
769	>	sendto_channel_local(client_p, member->chptr, 0, 0, CAP_CHGHOST, ":%s MODE %s +%s %s",
770	>	client_p->servptr->name, member->chptr->name,
771	>	modebuf, nickbuf);
772	>	}
773	>
774	>	if (client_p->away[0])
775	>	sendto_common_channels_local(client_p, false, CAP_AWAY_NOTIFY, CAP_CHGHOST,
776	>	":%s!%s@%s AWAY :%s",
777	>	client_p->name, client_p->username,
778	>	client_p->host, client_p->away);
779		}

Comparing:
ircd-hybrid/trunk/src/s_user.c (property svn:keywords), Revision 1899 by michael, Sat Apr 27 18:55:28 2013 UTC vs.
ircd-hybrid/branches/8.2.x/src/user.c (property svn:keywords), Revision 8751 by michael, Tue Jan 1 11:06:50 2019 UTC

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