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

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ircd-hybrid/trunk/src/s_user.c (file contents), Revision 3117 by michael, Fri Mar 7 19:28:54 2014 UTC vs.
ircd-hybrid/trunk/src/user.c (file contents), Revision 6161 by michael, Thu Jun 18 10:55:29 2015 UTC

#	Line 1 | Line 1
1		/*
2		*  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3		*
4	<	*  Copyright (c) 1997-2014 ircd-hybrid development team
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 15 | 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
22	<	/*! \file s_user.c
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"
30	<	#include "s_misc.h"
29	>	#include "user.h"
30		#include "channel.h"
31		#include "channel_mode.h"
32		#include "client.h"
33		#include "hash.h"
34	+	#include "id.h"
35		#include "irc_string.h"
36		#include "ircd.h"
37		#include "listener.h"
#	Line 39 | Line 39
39		#include "numeric.h"
40		#include "conf.h"
41		#include "log.h"
42	<	#include "s_serv.h"
42	>	#include "server.h"
43		#include "send.h"
44	–	#include "supported.h"
44		#include "memory.h"
45		#include "packet.h"
46		#include "rng_mt.h"
47		#include "userhost.h"
48	<	#include "s_misc.h"
48	>	#include "misc.h"
49		#include "parse.h"
50		#include "watch.h"
51
52		static char umode_buffer[IRCD_BUFSIZE];
53
55	–	static void user_welcome(struct Client *);
56	–	static void report_and_set_user_flags(struct Client *, const struct MaskItem *);
57	–	static int check_xline(struct Client *);
58	–	static void introduce_client(struct Client *);
59	–	static const char *uid_get(void);
60	–
54		/* Used for building up the isupport string,
55		* used with init_isupport, add_isupport, delete_isupport
56		*/
64	–
57		struct Isupport
58		{
59		dlink_node node;
#	Line 73 | Line 65 | struct Isupport
65		static dlink_list support_list;
66		static dlink_list support_list_lines;
67
68	<	/* memory is cheap. map 0-255 to equivalent mode */
69	<	const unsigned int user_modes[256] =
68	>	const struct user_modes *umode_map[256];
69	>	const struct user_modes  umode_tab[] =
70		{
71	<	/* 0x00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x0F */
72	<	/* 0x10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x1F */
73	<	/* 0x20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x2F */
74	<	/* 0x30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x3F */
75	<	0,                  /* @ */
76	<	0,                  /* A */
77	<	0,                  /* B */
78	<	0,                  /* C */
79	<	UMODE_DEAF,         /* D */
80	<	0,                  /* E */
81	<	UMODE_FARCONNECT,   /* F */
82	<	UMODE_SOFTCALLERID, /* G */
83	<	UMODE_HIDDEN,       /* H */
84	<	0,                  /* I */
85	<	0,                  /* J */
86	<	0,                  /* K */
87	<	0,                  /* L */
88	<	0,                  /* M */
89	<	0,                  /* N */
90	<	0,                  /* O */
91	<	0,                  /* P */
92	<	0,                  /* Q */
93	<	UMODE_REGONLY,      /* R */
94	<	UMODE_SSL,          /* S */
95	<	0,                  /* T */
96	<	0,                  /* U */
97	<	0,                  /* V */
98	<	UMODE_WEBIRC,       /* W */
99	<	0,                  /* X */
108	<	0,                  /* Y */
109	<	0,                  /* Z 0x5A */
110	<	0, 0, 0, 0, 0,      /* 0x5F   */
111	<	0,                  /* 0x60   */
112	<	UMODE_ADMIN,        /* a */
113	<	UMODE_BOTS,         /* b */
114	<	UMODE_CCONN,        /* c */
115	<	UMODE_DEBUG,        /* d */
116	<	UMODE_EXTERNAL,     /* e */
117	<	UMODE_FULL,         /* f */
118	<	UMODE_CALLERID,     /* g */
119	<	0,                  /* h */
120	<	UMODE_INVISIBLE,    /* i */
121	<	UMODE_REJ,          /* j */
122	<	UMODE_SKILL,        /* k */
123	<	UMODE_LOCOPS,       /* l */
124	<	0,                  /* m */
125	<	UMODE_NCHANGE,      /* n */
126	<	UMODE_OPER,         /* o */
127	<	0,                  /* p */
128	<	0,                  /* q */
129	<	UMODE_REGISTERED,   /* r */
130	<	UMODE_SERVNOTICE,   /* s */
131	<	0,                  /* t */
132	<	UMODE_UNAUTH,       /* u */
133	<	0,                  /* v */
134	<	UMODE_WALLOP,       /* w */
135	<	UMODE_HIDDENHOST,   /* x */
136	<	UMODE_SPY,          /* y */
137	<	UMODE_OPERWALL,     /* z      0x7A */
138	<	0,0,0,0,0,          /* 0x7B - 0x7F */
139	<
140	<	/* 0x80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x8F */
141	<	/* 0x90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x9F */
142	<	/* 0xA0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xAF */
143	<	/* 0xB0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xBF */
144	<	/* 0xC0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xCF */
145	<	/* 0xD0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xDF */
146	<	/* 0xE0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xEF */
147	<	/* 0xF0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0  /* 0xFF */
71	>	{ 'D', UMODE_DEAF         },
72	>	{ 'F', UMODE_FARCONNECT   },
73	>	{ 'G', UMODE_SOFTCALLERID },
74	>	{ 'H', UMODE_HIDDEN       },
75	>	{ 'R', UMODE_REGONLY      },
76	>	{ 'S', UMODE_SSL          },
77	>	{ 'W', UMODE_WEBIRC       },
78	>	{ 'a', UMODE_ADMIN        },
79	>	{ 'b', UMODE_BOTS         },
80	>	{ 'c', UMODE_CCONN        },
81	>	{ 'd', UMODE_DEBUG        },
82	>	{ 'e', UMODE_EXTERNAL     },
83	>	{ 'f', UMODE_FULL         },
84	>	{ 'g', UMODE_CALLERID     },
85	>	{ 'i', UMODE_INVISIBLE    },
86	>	{ 'j', UMODE_REJ          },
87	>	{ 'k', UMODE_SKILL        },
88	>	{ 'l', UMODE_LOCOPS       },
89	>	{ 'n', UMODE_NCHANGE      },
90	>	{ 'o', UMODE_OPER         },
91	>	{ 'p', UMODE_HIDECHANS    },
92	>	{ 'q', UMODE_HIDEIDLE     },
93	>	{ 'r', UMODE_REGISTERED   },
94	>	{ 's', UMODE_SERVNOTICE   },
95	>	{ 'u', UMODE_UNAUTH       },
96	>	{ 'w', UMODE_WALLOP       },
97	>	{ 'x', UMODE_HIDDENHOST   },
98	>	{ 'y', UMODE_SPY          },
99	>	{ '\0', 0 }
100		};
101
102		void
103	<	assemble_umode_buffer(void)
103	>	user_usermodes_init(void)
104		{
153	–	unsigned int idx = 0;
105		char *umode_buffer_ptr = umode_buffer;
106
107	<	for (; idx < (sizeof(user_modes) / sizeof(user_modes[0])); ++idx)
108	<	if (user_modes[idx])
109	<	*umode_buffer_ptr++ = idx;
107	>	for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
108	>	{
109	>	umode_map[tab->c] = tab;
110	>	*umode_buffer_ptr++ = tab->c;
111	>	}
112
113		*umode_buffer_ptr = '\0';
114		}
#	Line 170 | Line 123 | void
123		show_lusers(struct Client *source_p)
124		{
125		if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
126	<	sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total-Count.invisi),
127	<	Count.invisi, dlink_list_length(&global_serv_list));
126	>	sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total - Count.invisi),
127	>	Count.invisi, dlink_list_length(&global_server_list));
128		else
129	<	sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT,
130	<	(Count.total-Count.invisi), Count.invisi, 1);
129	>	sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total - Count.invisi),
130	>	Count.invisi, 1);
131
132	<	if (Count.oper > 0)
132	>	if (Count.oper)
133		sendto_one_numeric(source_p, &me, RPL_LUSEROP, Count.oper);
134
135	<	if (dlink_list_length(&unknown_list) > 0)
135	>	if (dlink_list_length(&unknown_list))
136		sendto_one_numeric(source_p, &me, RPL_LUSERUNKNOWN, dlink_list_length(&unknown_list));
137
138	<	if (dlink_list_length(&global_channel_list) > 0)
139	<	sendto_one_numeric(source_p, &me, RPL_LUSERCHANNELS, dlink_list_length(&global_channel_list));
138	>	if (dlink_list_length(&channel_list))
139	>	sendto_one_numeric(source_p, &me, RPL_LUSERCHANNELS, dlink_list_length(&channel_list));
140
141		if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
142		{
#	Line 218 | Line 171 | show_lusers(struct Client *source_p)
171		void
172		show_isupport(struct Client *source_p)
173		{
174	<	const dlink_node *ptr = NULL;
174	>	const dlink_node *node = NULL;
175
176	<	DLINK_FOREACH(ptr, support_list_lines.head)
177	<	sendto_one_numeric(source_p, &me, RPL_ISUPPORT, ptr->data);
176	>	DLINK_FOREACH(node, support_list_lines.head)
177	>	sendto_one_numeric(source_p, &me, RPL_ISUPPORT, node->data);
178		}
179
180	<	/*
181	<	** register_local_user
182	<	**      This function is called when both NICK and USER messages
183	<	**      have been accepted for the client, in whatever order. Only
184	<	**      after this, is the USER message propagated.
185	<	**
186	<	**      NICK's must be propagated at once when received, although
187	<	**      it would be better to delay them too until full info is
188	<	**      available. Doing it is not so simple though, would have
189	<	**      to implement the following:
190	<	**
191	<	**      (actually it has been implemented already for a while) -orabidoo
192	<	**
193	<	**      1) user telnets in and gives only "NICK foobar" and waits
194	<	**      2) another user far away logs in normally with the nick
195	<	**         "foobar" (quite legal, as this server didn't propagate
196	<	**         it).
197	<	**      3) now this server gets nick "foobar" from outside, but
198	<	**         has alread the same defined locally. Current server
199	<	**         would just issue "KILL foobar" to clean out dups. But,
200	<	**         this is not fair. It should actually request another
201	<	**         nick from local user or kill him/her...
202	<	*/
180	>
181	>	/* report_and_set_user_flags()
182	>	*
183	>	* inputs       - pointer to source_p
184	>	*              - pointer to conf for this user
185	>	* output       - NONE
186	>	* side effects - Report to user any special flags
187	>	*                they are getting, and set them.
188	>	*/
189	>	static void
190	>	report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
191	>	{
192	>	/* If this user is being spoofed, tell them so */
193	>	if (IsConfDoSpoofIp(conf))
194	>	sendto_one_notice(source_p, &me, ":*** Spoofing your IP. Congrats.");
195	>
196	>	/* If this user is in the exception class, set it "E lined" */
197	>	if (IsConfExemptKline(conf))
198	>	{
199	>	SetExemptKline(source_p);
200	>	sendto_one_notice(source_p, &me, ":*** You are exempt from K/D lines. Congrats.");
201	>	}
202	>
203	>	if (IsConfExemptXline(conf))
204	>	{
205	>	SetExemptXline(source_p);
206	>	sendto_one_notice(source_p, &me, ":*** You are exempt from X lines. Congrats.");
207	>	}
208	>
209	>	if (IsConfExemptResv(conf))
210	>	{
211	>	SetExemptResv(source_p);
212	>	sendto_one_notice(source_p, &me, ":*** You are exempt from resvs. Congrats.");
213	>	}
214	>
215	>	/* If this user is exempt from user limits set it "F lined" */
216	>	if (IsConfExemptLimits(conf))
217	>	{
218	>	SetExemptLimits(source_p);
219	>	sendto_one_notice(source_p, &me, ":*** You are exempt from user limits. Congrats.");
220	>	}
221	>
222	>	if (IsConfCanFlood(conf))
223	>	{
224	>	SetCanFlood(source_p);
225	>	sendto_one_notice(source_p, &me, ":*** You are exempt from flood "
226	>	"protection, aren't you fearsome.");
227	>	}
228	>	}
229	>
230	>	/* introduce_client()
231	>	*
232	>	* inputs       - source_p
233	>	* output       - NONE
234	>	* side effects - This common function introduces a client to the rest
235	>	*                of the net, either from a local client connect or
236	>	*                from a remote connect.
237	>	*/
238	>	static void
239	>	introduce_client(struct Client *source_p)
240	>	{
241	>	dlink_node *node = NULL;
242	>	char ubuf[IRCD_BUFSIZE] = "";
243	>
244	>	if (MyClient(source_p))
245	>	send_umode(source_p, source_p, 0, ubuf);
246	>	else
247	>	send_umode(NULL, source_p, 0, ubuf);
248	>
249	>	watch_check_hash(source_p, RPL_LOGON);
250	>
251	>	if (ubuf[0] == '\0')
252	>	{
253	>	ubuf[0] = '+';
254	>	ubuf[1] = '\0';
255	>	}
256	>
257	>	DLINK_FOREACH(node, local_server_list.head)
258	>	{
259	>	struct Client *server = node->data;
260	>
261	>	if (server == source_p->from)
262	>	continue;
263	>
264	>	if (IsCapable(server, CAP_SVS))
265	>	sendto_one(server, ":%s UID %s %u %lu %s %s %s %s %s %s :%s",
266	>	source_p->servptr->id,
267	>	source_p->name, source_p->hopcount+1,
268	>	(unsigned long)source_p->tsinfo,
269	>	ubuf, source_p->username, source_p->host,
270	>	source_p->sockhost, source_p->id,
271	>	source_p->account,
272	>	source_p->info);
273	>	else
274	>	sendto_one(server, ":%s UID %s %u %lu %s %s %s %s %s :%s",
275	>	source_p->servptr->id,
276	>	source_p->name, source_p->hopcount+1,
277	>	(unsigned long)source_p->tsinfo,
278	>	ubuf, source_p->username, source_p->host,
279	>	source_p->sockhost, source_p->id, source_p->info);
280	>
281	>	if (!EmptyString(source_p->certfp))
282	>	sendto_one(server, ":%s CERTFP %s", source_p->id, source_p->certfp);
283	>	}
284	>	}
285	>
286	>	/* user_welcome()
287	>	*
288	>	* inputs       - client pointer to client to welcome
289	>	* output       - NONE
290	>	* side effects -
291	>	*/
292	>	static void
293	>	user_welcome(struct Client *source_p)
294	>	{
295	>	#if defined(__TIME__) && defined(__DATE__)
296	>	static const char built_date[] = __DATE__ " at " __TIME__;
297	>	#else
298	>	static const char built_date[] = "unknown";
299	>	#endif
300	>
301	>	#ifdef HAVE_LIBCRYPTO
302	>	if (HasFlag(source_p, FLAGS_SSL))
303	>	{
304	>	AddUMode(source_p, UMODE_SSL);
305	>	sendto_one_notice(source_p, &me, ":*** Connected securely via %s",
306	>	ssl_get_cipher(source_p->connection->fd.ssl));
307	>	}
308	>	#endif
309	>
310	>	sendto_one_numeric(source_p, &me, RPL_WELCOME, ConfigServerInfo.network_name,
311	>	source_p->name);
312	>	sendto_one_numeric(source_p, &me, RPL_YOURHOST,
313	>	get_listener_name(source_p->connection->listener), ircd_version);
314	>	sendto_one_numeric(source_p, &me, RPL_CREATED, built_date);
315	>	sendto_one_numeric(source_p, &me, RPL_MYINFO, me.name, ircd_version, umode_buffer);
316	>	show_isupport(source_p);
317	>	sendto_one_numeric(source_p, &me, RPL_YOURID, source_p->id);
318	>
319	>	show_lusers(source_p);
320	>	motd_signon(source_p);
321	>	}
322	>
323	>	/* check_xline()
324	>	*
325	>	* inputs       - pointer to client to test
326	>	* outupt       - 1 if exiting 0 if ok
327	>	* side effects -
328	>	*/
329	>	static int
330	>	check_xline(struct Client *source_p)
331	>	{
332	>	struct MaskItem *conf = NULL;
333	>
334	>	if (IsExemptXline(source_p))
335	>	return 0;
336	>
337	>	if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)))
338	>	{
339	>	++conf->count;
340	>	sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
341	>	"X-line Rejecting [%s] [%s], user %s [%s]",
342	>	source_p->info, conf->reason,
343	>	get_client_name(source_p, HIDE_IP),
344	>	source_p->sockhost);
345	>
346	>	++ServerStats.is_ref;
347	>	exit_client(source_p, "Bad user info");
348	>	return 1;
349	>	}
350	>
351	>	return 0;
352	>	}
353	>
354	>	/*! \brief This function is called when both NICK and USER messages
355	>	*      have been accepted for the client, in whatever order. Only
356	>	*      after this, is the UID message propagated.
357	>	* \param source_p Pointer to given client to introduce
358	>	*/
359		void
360		register_local_user(struct Client *source_p)
361		{
362		const char *id = NULL;
363		const struct MaskItem *conf = NULL;
364
256	–	assert(source_p != NULL);
365		assert(source_p == source_p->from);
366		assert(MyConnect(source_p));
367	<	assert(!source_p->localClient->registration);
367	>	assert(IsUnknown(source_p));
368	>	assert(!source_p->connection->registration);
369
370	<	ClearCap(source_p, CAP_TS6);
262	<
263	<	if (ConfigFileEntry.ping_cookie)
370	>	if (ConfigGeneral.ping_cookie)
371		{
372	<	if (!IsPingSent(source_p) && !source_p->localClient->random_ping)
372	>	if (!IsPingSent(source_p) && !source_p->connection->random_ping)
373		{
374		do
375	<	source_p->localClient->random_ping = genrand_int32();
376	<	while (!source_p->localClient->random_ping);
375	>	source_p->connection->random_ping = genrand_int32();
376	>	while (!source_p->connection->random_ping);
377
378	<	sendto_one(source_p, "PING :%u",
272	<	source_p->localClient->random_ping);
378	>	sendto_one(source_p, "PING :%u", source_p->connection->random_ping);
379		SetPingSent(source_p);
380		return;
381		}
#	Line 278 | Line 384 | register_local_user(struct Client *sourc
384		return;
385		}
386
387	<	source_p->localClient->last_privmsg = CurrentTime;
387	>	source_p->connection->last_privmsg = CurrentTime;
388		/* Straight up the maximum rate of flooding... */
389	<	source_p->localClient->allow_read = MAX_FLOOD_BURST;
389	>	source_p->connection->allow_read = MAX_FLOOD_BURST;
390
391		if (!check_client(source_p))
392		return;
#	Line 289 | Line 395 | register_local_user(struct Client *sourc
395		{
396		sendto_one_notice(source_p, &me, ":*** Notice -- You have an illegal "
397		"character in your hostname");
398	<	strlcpy(source_p->host, source_p->sockhost,
293	<	sizeof(source_p->host));
398	>	strlcpy(source_p->host, source_p->sockhost, sizeof(source_p->host));
399		}
400
401	<	conf = source_p->localClient->confs.head->data;
401	>	conf = source_p->connection->confs.head->data;
402
403		if (!IsGotId(source_p))
404		{
405	<	char username[USERLEN + 1];
405	>	char username[USERLEN + 1] = "";
406		const char *p = username;
407		unsigned int i = 0;
408
#	Line 306 | Line 411 | register_local_user(struct Client *sourc
411		++ServerStats.is_ref;
412		sendto_one_notice(source_p, &me, ":*** Notice -- You need to install "
413		"identd to use this server");
414	<	exit_client(source_p, &me, "Install identd");
414	>	exit_client(source_p, "Install identd");
415		return;
416		}
417
#	Line 316 | Line 421 | register_local_user(struct Client *sourc
421		source_p->username[i++] = '~';
422
423		for (; *p && i < USERLEN; ++p)
424	<	if (*p != '[')
320	<	source_p->username[i++] = *p;
424	>	source_p->username[i++] = *p;
425
426		source_p->username[i] = '\0';
427		}
428
429	<	/* password check */
429	>	/* Password check */
430		if (!EmptyString(conf->passwd))
431		{
432	<	const char *pass = source_p->localClient->passwd;
329	<
330	<	if (!match_conf_password(pass, conf))
432	>	if (!match_conf_password(source_p->connection->password, conf))
433		{
434		++ServerStats.is_ref;
435
436		sendto_one_numeric(source_p, &me, ERR_PASSWDMISMATCH);
437	<	exit_client(source_p, &me, "Bad Password");
437	>	exit_client(source_p, "Bad Password");
438		return;
439		}
440		}
441
442	<	/* don't free source_p->localClient->passwd here - it can be required
443	<	* by masked /stats I if there are auth{} blocks with need_password = no;
442	>	/*
443	>	* Don't free source_p->connection->password here - it can be required
444	>	* by masked /stats I if there are auth {} blocks with need_password = no;
445		* --adx
446		*/
447
448	<	/* report if user has &^>= etc. and set flags as needed in source_p */
448	>	/*
449	>	* Report if user has &^>= etc. and set flags as needed in source_p
450	>	*/
451		report_and_set_user_flags(source_p, conf);
452
453		if (IsDead(source_p))
454		return;
455
456	<	/* Limit clients -
456	>	/*
457	>	* Limit clients -
458		* We want to be able to have servers and F-line clients
459		* connect, so save room for "buffer" connections.
460		* Smaller servers may want to decrease this, and it should
461		* probably be just a percentage of the MAXCLIENTS...
462		*   -Taner
463		*/
464	<	/* Except "F:" clients */
465	<	if ((Count.local >= ServerInfo.max_clients + MAX_BUFFER) ||
360	<	(Count.local >= ServerInfo.max_clients && !IsExemptLimits(source_p)))
464	>	if ((Count.local >= GlobalSetOptions.maxclients + MAX_BUFFER) ||
465	>	(Count.local >= GlobalSetOptions.maxclients && !IsExemptLimits(source_p)))
466		{
467		sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
468		"Too many clients, rejecting %s[%s].",
469		source_p->name, source_p->host);
470		++ServerStats.is_ref;
471	<	exit_client(source_p, &me, "Sorry, server is full - try later");
471	>	exit_client(source_p, "Sorry, server is full - try later");
472		return;
473		}
474
370	–	/* valid user name check */
475		if (!valid_username(source_p->username, 1))
476		{
477	<	char tmpstr2[IRCD_BUFSIZE];
477	>	char buf[IRCD_BUFSIZE] = "";
478
479		sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
480		"Invalid username: %s (%s@%s)",
481		source_p->name, source_p->username, source_p->host);
482		++ServerStats.is_ref;
483	<	snprintf(tmpstr2, sizeof(tmpstr2), "Invalid username [%s]",
484	<	source_p->username);
381	<	exit_client(source_p, &me, tmpstr2);
483	>	snprintf(buf, sizeof(buf), "Invalid username [%s]", source_p->username);
484	>	exit_client(source_p, buf);
485		return;
486		}
487
488		if (check_xline(source_p))
489		return;
490
491	<	while (hash_find_id((id = uid_get())) != NULL)
491	>	while (hash_find_id((id = uid_get())))
492		;
493
494		strlcpy(source_p->id, id, sizeof(source_p->id));
#	Line 394 | Line 497 | register_local_user(struct Client *sourc
497		sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
498		"Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>",
499		source_p->name, source_p->username, source_p->host,
500	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
501	<	"255.255.255.255" : source_p->sockhost,
399	<	get_client_class(&source_p->localClient->confs),
500	>	source_p->sockhost,
501	>	get_client_class(&source_p->connection->confs),
502		source_p->info, source_p->id);
503
504	<	if (ConfigFileEntry.invisible_on_connect)
504	>	if (ConfigGeneral.invisible_on_connect)
505		{
506		AddUMode(source_p, UMODE_INVISIBLE);
507		++Count.invisi;
#	Line 411 | Line 513 | register_local_user(struct Client *sourc
513
514		if (!(Count.max_loc % 10))
515		sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
516	<	"New Max Local Clients: %d",
516	>	"New maximum local client connections: %u",
517		Count.max_loc);
518		}
519
418	–	/* Increment our total user count here */
520		if (++Count.total > Count.max_tot)
521		Count.max_tot = Count.total;
522		++Count.totalrestartcount;
#	Line 423 | Line 524 | register_local_user(struct Client *sourc
524		assert(source_p->servptr == &me);
525		SetClient(source_p);
526		dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
527	<
427	<	source_p->localClient->allow_read = MAX_FLOOD_BURST;
527	>	dlinkAdd(source_p, &source_p->node, &global_client_list);
528
529		assert(dlinkFind(&unknown_list, source_p));
530
531	<	dlink_move_node(&source_p->localClient->lclient_node,
531	>	dlink_move_node(&source_p->connection->lclient_node,
532		&unknown_list, &local_client_list);
533
534		user_welcome(source_p);
#	Line 449 | Line 549 | register_local_user(struct Client *sourc
549		*                is introduced by a server.
550		*/
551		void
552	<	register_remote_user(struct Client *source_p, const char *username,
453	<	const char *host, const char *server)
552	>	register_remote_user(struct Client *source_p)
553		{
554	<	struct Client *target_p = NULL;
456	<
457	<	assert(source_p != NULL);
458	<	assert(source_p->username != username);
459	<
460	<	strlcpy(source_p->host, host, sizeof(source_p->host));
461	<	strlcpy(source_p->username, username, sizeof(source_p->username));
462	<
463	<	/*
464	<	* coming from another server, take the servers word for it
465	<	*/
466	<	source_p->servptr = hash_find_server(server);
467	<
468	<	/*
469	<	* Super GhostDetect:
470	<	* If we can't find the server the user is supposed to be on,
471	<	* then simply blow the user away.        -Taner
472	<	*/
473	<	if (source_p->servptr == NULL)
474	<	{
475	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
476	<	"No server %s for user %s[%s@%s] from %s",
477	<	server, source_p->name, source_p->username,
478	<	source_p->host, source_p->from->name);
479	<	kill_client(source_p->from, source_p, "%s (Server doesn't exist)", me.name);
480	<
481	<	AddFlag(source_p, FLAGS_KILLED);
482	<	exit_client(source_p, &me, "Ghosted Client");
483	<	return;
484	<	}
554	>	const struct Client *target_p = NULL;
555
556		if ((target_p = source_p->servptr) && target_p->from != source_p->from)
557		{
#	Line 490 | Line 560 | register_remote_user(struct Client *sour
560		source_p->from->name, source_p->name, source_p->username,
561		source_p->host, source_p->servptr->name,
562		target_p->name, target_p->from->name);
563	<	kill_client(source_p->from, source_p,
564	<	"%s (NICK from wrong direction (%s != %s))",
565	<	me.name, source_p->servptr->name, target_p->from->name);
563	>	sendto_one(source_p->from,
564	>	":%s KILL %s :%s (UID from wrong direction (%s != %s))",
565	>	me.id, source_p->id, me.name, source_p->servptr->name,
566	>	target_p->from->name);
567	>
568		AddFlag(source_p, FLAGS_KILLED);
569	<	exit_client(source_p, &me, "USER server wrong direction");
569	>	exit_client(source_p, "UID server wrong direction");
570		return;
571		}
572
#	Line 505 | Line 577 | register_remote_user(struct Client *sour
577		if (HasFlag(source_p->servptr, FLAGS_SERVICE))
578		AddFlag(source_p, FLAGS_SERVICE);
579
508	–	/* Increment our total user count here */
580		if (++Count.total > Count.max_tot)
581		Count.max_tot = Count.total;
582
583		SetClient(source_p);
584		dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
585	+	dlinkAdd(source_p, &source_p->node, &global_client_list);
586		add_user_host(source_p->username, source_p->host, 1);
587		SetUserHost(source_p);
588
589		if (HasFlag(source_p->servptr, FLAGS_EOB))
590		sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
591	<	"Client connecting at %s: %s (%s@%s) [%s] <%s>",
591	>	"Client connecting at %s: %s (%s@%s) [%s] [%s] <%s>",
592		source_p->servptr->name,
593		source_p->name, source_p->username, source_p->host,
594	<	source_p->info, source_p->id);
594	>	source_p->sockhost, source_p->info, source_p->id);
595
596		introduce_client(source_p);
597		}
598
527	–	/* introduce_client()
528	–	*
529	–	* inputs       - source_p
530	–	* output       - NONE
531	–	* side effects - This common function introduces a client to the rest
532	–	*                of the net, either from a local client connect or
533	–	*                from a remote connect.
534	–	*/
535	–	static void
536	–	introduce_client(struct Client *source_p)
537	–	{
538	–	dlink_node *server_node = NULL;
539	–	char ubuf[IRCD_BUFSIZE];
540	–
541	–	if (MyClient(source_p))
542	–	send_umode(source_p, source_p, 0, SEND_UMODES, ubuf);
543	–	else
544	–	send_umode(NULL, source_p, 0, SEND_UMODES, ubuf);
545	–
546	–	watch_check_hash(source_p, RPL_LOGON);
547	–
548	–	if (ubuf[0] == '\0')
549	–	{
550	–	ubuf[0] = '+';
551	–	ubuf[1] = '\0';
552	–	}
553	–
554	–	DLINK_FOREACH(server_node, serv_list.head)
555	–	{
556	–	struct Client *server = server_node->data;
557	–
558	–	if (server == source_p->from)
559	–	continue;
560	–
561	–	if (IsCapable(server, CAP_SVS))
562	–	{
563	–	if (IsCapable(server, CAP_TS6) && HasID(source_p))
564	–	sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s %s :%s",
565	–	source_p->servptr->id,
566	–	source_p->name, source_p->hopcount+1,
567	–	(unsigned long)source_p->tsinfo,
568	–	ubuf, source_p->username, source_p->host,
569	–	(MyClient(source_p) && IsIPSpoof(source_p)) ?
570	–	"0" : source_p->sockhost, source_p->id,
571	–	source_p->svid,
572	–	source_p->info);
573	–	else
574	–	sendto_one(server, "NICK %s %d %lu %s %s %s %s %s :%s",
575	–	source_p->name, source_p->hopcount+1,
576	–	(unsigned long)source_p->tsinfo,
577	–	ubuf, source_p->username, source_p->host,
578	–	source_p->servptr->name, source_p->svid,
579	–	source_p->info);
580	–
581	–	}
582	–	else
583	–	{
584	–	if (IsCapable(server, CAP_TS6) && HasID(source_p))
585	–	sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s :%s",
586	–	source_p->servptr->id,
587	–	source_p->name, source_p->hopcount+1,
588	–	(unsigned long)source_p->tsinfo,
589	–	ubuf, source_p->username, source_p->host,
590	–	(MyClient(source_p) && IsIPSpoof(source_p)) ?
591	–	"0" : source_p->sockhost, source_p->id, source_p->info);
592	–	else
593	–	sendto_one(server, "NICK %s %d %lu %s %s %s %s :%s",
594	–	source_p->name, source_p->hopcount+1,
595	–	(unsigned long)source_p->tsinfo,
596	–	ubuf, source_p->username, source_p->host,
597	–	source_p->servptr->name, source_p->info);
598	–	}
599	–
600	–	if (!EmptyString(source_p->certfp))
601	–	sendto_one(server, ":%s CERTFP %s", ID(source_p), source_p->certfp);
602	–	}
603	–	}
604	–
599		/* valid_hostname()
600		*
601		* Inputs       - pointer to hostname
#	Line 616 | Line 610 | valid_hostname(const char *hostname)
610		{
611		const char *p = hostname;
612
613	<	assert(p != NULL);
613	>	assert(p);
614
615		if (EmptyString(p) || *p == '.' || *p == ':')
616		return 0;
#	Line 642 | Line 636 | valid_hostname(const char *hostname)
636		int
637		valid_username(const char *username, const int local)
638		{
639	<	int dots      = 0;
639	>	unsigned int dots = 0;
640		const char *p = username;
641
642	<	assert(p != NULL);
642	>	assert(p);
643
644		if (*p == '~')
645		++p;
#	Line 662 | Line 656 | valid_username(const char *username, con
656		{
657		while (*++p)
658		{
659	<	if ((*p == '.') && ConfigFileEntry.dots_in_ident)
659	>	if (*p == '.' && ConfigGeneral.dots_in_ident)
660		{
661	<	if (++dots > ConfigFileEntry.dots_in_ident)
661	>	if (++dots > ConfigGeneral.dots_in_ident)
662		return 0;
663		if (!IsUserChar(*(p + 1)))
664		return 0;
#	Line 680 | Line 674 | valid_username(const char *username, con
674		return 0;
675		}
676
677	<	return  p - username <= USERLEN;;
677	>	return p - username <= USERLEN;
678		}
679
680		/* clean_nick_name()
#	Line 694 | Line 688 | int
688		valid_nickname(const char *nickname, const int local)
689		{
690		const char *p = nickname;
697	–	assert(nickname && *nickname);
691
692	<	/* nicks can't start with a digit or - or be 0 length */
693	<	/* This closer duplicates behaviour of hybrid-6 */
694	<	if (*p == '-' || (IsDigit(*p) && local) || *p == '\0')
692	>	assert(p);
693	>
694	>	/*
695	>	* Nicks can't start with a digit or - or be 0 length.
696	>	*/
697	>	if (EmptyString(p) || *p == '-' || (IsDigit(*p) && local))
698		return 0;
699
700		for (; *p; ++p)
#	Line 708 | Line 704 | valid_nickname(const char *nickname, con
704		return p - nickname <= NICKLEN;
705		}
706
711	–	/* report_and_set_user_flags()
712	–	*
713	–	* inputs       - pointer to source_p
714	–	*              - pointer to conf for this user
715	–	* output       - NONE
716	–	* side effects - Report to user any special flags
717	–	*                they are getting, and set them.
718	–	*/
719	–	static void
720	–	report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
721	–	{
722	–	/* If this user is being spoofed, tell them so */
723	–	if (IsConfDoSpoofIp(conf))
724	–	sendto_one_notice(source_p, &me, ":*** Spoofing your IP. Congrats.");
725	–
726	–	/* If this user is in the exception class, Set it "E lined" */
727	–	if (IsConfExemptKline(conf))
728	–	{
729	–	SetExemptKline(source_p);
730	–	sendto_one_notice(source_p, &me, ":*** You are exempt from K/D/G lines. Congrats.");
731	–	}
732	–
733	–	/*
734	–	* The else here is to make sure that G line exempt users
735	–	* do not get noticed twice.
736	–	*/
737	–	else if (IsConfExemptGline(conf))
738	–	{
739	–	SetExemptGline(source_p);
740	–	sendto_one_notice(source_p, &me, ":*** You are exempt from G lines. Congrats.");
741	–	}
742	–
743	–	if (IsConfExemptResv(conf))
744	–	{
745	–	SetExemptResv(source_p);
746	–	sendto_one_notice(source_p, &me, ":*** You are exempt from resvs. Congrats.");
747	–	}
748	–
749	–	/* If this user is exempt from user limits set it "F lined" */
750	–	if (IsConfExemptLimits(conf))
751	–	{
752	–	SetExemptLimits(source_p);
753	–	sendto_one_notice(source_p, &me, ":*** You are exempt from user limits. Congrats.");
754	–	}
755	–
756	–	if (IsConfCanFlood(conf))
757	–	{
758	–	SetCanFlood(source_p);
759	–	sendto_one_notice(source_p, &me, ":*** You are exempt from flood "
760	–	"protection, aren't you fearsome.");
761	–	}
762	–	}
763	–
764	–	/* set_user_mode()
765	–	*
766	–	* added 15/10/91 By Darren Reed.
767	–	* parv[0] - sender
768	–	* parv[1] - username to change mode for
769	–	* parv[2] - modes to change
770	–	*/
771	–	void
772	–	set_user_mode(struct Client *client_p, struct Client *source_p,
773	–	const int parc, char *parv[])
774	–	{
775	–	unsigned int flag, setflags;
776	–	char **p, *m, buf[IRCD_BUFSIZE];
777	–	struct Client *target_p;
778	–	int what = MODE_ADD, badflag = 0, i;
779	–
780	–	assert(!(parc < 2));
781	–
782	–	if ((target_p = find_person(client_p, parv[1])) == NULL)
783	–	{
784	–	if (MyConnect(source_p))
785	–	sendto_one_numeric(source_p, &me, ERR_NOSUCHCHANNEL, parv[1]);
786	–	return;
787	–	}
788	–
789	–	if (source_p != target_p)
790	–	{
791	–	sendto_one_numeric(source_p, &me, ERR_USERSDONTMATCH);
792	–	return;
793	–	}
794	–
795	–	if (parc < 3)
796	–	{
797	–	m = buf;
798	–	*m++ = '+';
799	–
800	–	for (i = 0; i < 128; ++i)
801	–	if (HasUMode(source_p, user_modes[i]))
802	–	*m++ = (char)i;
803	–	*m = '\0';
804	–
805	–	sendto_one_numeric(source_p, &me, RPL_UMODEIS, buf);
806	–	return;
807	–	}
808	–
809	–	/* find flags already set for user */
810	–	setflags = source_p->umodes;
811	–
812	–	/* parse mode change string(s) */
813	–	for (p = &parv[2]; p && *p; ++p)
814	–	{
815	–	for (m = *p; *m; ++m)
816	–	{
817	–	switch (*m)
818	–	{
819	–	case '+':
820	–	what = MODE_ADD;
821	–	break;
822	–	case '-':
823	–	what = MODE_DEL;
824	–	break;
825	–	case 'o':
826	–	if (what == MODE_ADD)
827	–	{
828	–	if (IsServer(client_p) && !HasUMode(source_p, UMODE_OPER))
829	–	{
830	–	++Count.oper;
831	–	SetOper(source_p);
832	–	}
833	–	}
834	–	else
835	–	{
836	–	if (!HasUMode(source_p, UMODE_OPER))
837	–	break;
838	–
839	–	ClearOper(source_p);
840	–	Count.oper--;
841	–
842	–	if (MyConnect(source_p))
843	–	{
844	–	dlink_node *dm = NULL;
845	–
846	–	detach_conf(source_p, CONF_OPER);
847	–	ClrOFlag(source_p);
848	–	DelUMode(source_p, ConfigFileEntry.oper_only_umodes);
849	–
850	–	if ((dm = dlinkFindDelete(&oper_list, source_p)) != NULL)
851	–	free_dlink_node(dm);
852	–	}
853	–	}
854	–
855	–	break;
856	–
857	–	case 'S':  /* Only servers may set +S in a burst */
858	–	case 'W':  /* Only servers may set +W in a burst */
859	–	case 'r':  /* Only services may set +r */
860	–	case 'x':  /* Only services may set +x */
861	–	break;
862	–
863	–	default:
864	–	if ((flag = user_modes[(unsigned char)*m]))
865	–	{
866	–	if (MyConnect(source_p) && !HasUMode(source_p, UMODE_OPER) &&
867	–	(ConfigFileEntry.oper_only_umodes & flag))
868	–	badflag = 1;
869	–	else
870	–	{
871	–	if (what == MODE_ADD)
872	–	AddUMode(source_p, flag);
873	–	else
874	–	DelUMode(source_p, flag);
875	–	}
876	–	}
877	–	else if (MyConnect(source_p))
878	–	badflag = 1;
879	–
880	–	break;
881	–	}
882	–	}
883	–	}
884	–
885	–	if (badflag)
886	–	sendto_one_numeric(source_p, &me, ERR_UMODEUNKNOWNFLAG);
887	–
888	–	if (MyConnect(source_p) && HasUMode(source_p, UMODE_ADMIN) &&
889	–	!HasOFlag(source_p, OPER_FLAG_ADMIN))
890	–	{
891	–	sendto_one_notice(source_p, &me, ":*** You have no admin flag;");
892	–	DelUMode(source_p, UMODE_ADMIN);
893	–	}
894	–
895	–	if (!(setflags & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
896	–	++Count.invisi;
897	–	if ((setflags & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE))
898	–	--Count.invisi;
899	–
900	–	/*
901	–	* compare new flags with old flags and send string which
902	–	* will cause servers to update correctly.
903	–	*/
904	–	send_umode_out(client_p, source_p, setflags);
905	–	}
906	–
707		/* send_umode()
708		* send the MODE string for user (user) to connection client_p
709		* -avalon
#	Line 917 | Line 717 | set_user_mode(struct Client *client_p, s
717		*/
718		void
719		send_umode(struct Client *client_p, struct Client *source_p,
720	<	unsigned int old, unsigned int sendmask, char *umode_buf)
720	>	unsigned int old, char *umode_buf)
721		{
722		char *m = umode_buf;
723		int what = 0;
924	–	unsigned int i;
925	–	unsigned int flag;
724
725		/*
726	<	* build a string in umode_buf to represent the change in the user's
726	>	* Build a string in umode_buf to represent the change in the user's
727		* mode between the new (source_p->umodes) and 'old'.
728		*/
729	<	for (i = 0; i < 128; ++i)
729	>	for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
730		{
731	<	flag = user_modes[i];
934	<	if (!flag)
935	<	continue;
936	<
937	<	if (MyClient(source_p) && !(flag & sendmask))
938	<	continue;
939	<
940	<	if ((flag & old) && !HasUMode(source_p, flag))
731	>	if ((tab->flag & old) && !HasUMode(source_p, tab->flag))
732		{
733		if (what == MODE_DEL)
734	<	*m++ = (char)i;
734	>	*m++ = tab->c;
735		else
736		{
737		what = MODE_DEL;
738		*m++ = '-';
739	<	*m++ = (char)i;
739	>	*m++ = tab->c;
740		}
741		}
742	<	else if (!(flag & old) && HasUMode(source_p, flag))
742	>	else if (!(tab->flag & old) && HasUMode(source_p, tab->flag))
743		{
744		if (what == MODE_ADD)
745	<	*m++ = (char)i;
745	>	*m++ = tab->c;
746		else
747		{
748		what = MODE_ADD;
749		*m++ = '+';
750	<	*m++ = (char)i;
750	>	*m++ = tab->c;
751		}
752		}
753		}
#	Line 965 | Line 756 | send_umode(struct Client *client_p, stru
756
757		if (*umode_buf && client_p)
758		sendto_one(client_p, ":%s!%s@%s MODE %s :%s",
759	<	source_p->name, source_p->username,
760	<	source_p->host, source_p->name, umode_buf);
759	>	client_p->name, client_p->username,
760	>	client_p->host, client_p->name, umode_buf);
761		}
762
763		/* send_umode_out()
#	Line 976 | Line 767 | send_umode(struct Client *client_p, stru
767		* side effects - Only send ubuf out to servers that know about this client
768		*/
769		void
770	<	send_umode_out(struct Client *client_p, struct Client *source_p,
980	<	unsigned int old)
770	>	send_umode_out(struct Client *source_p, unsigned int old)
771		{
772	<	char buf[IRCD_BUFSIZE] = { '\0' };
983	<	dlink_node *ptr = NULL;
772	>	char buf[IRCD_BUFSIZE] = "";
773
774	<	send_umode(NULL, source_p, old, SEND_UMODES, buf);
774	>	send_umode(MyClient(source_p) ? source_p : NULL, source_p, old, buf);
775
776		if (buf[0])
777	<	{
778	<	DLINK_FOREACH(ptr, serv_list.head)
990	<	{
991	<	struct Client *target_p = ptr->data;
992	<
993	<	if ((target_p != client_p) && (target_p != source_p))
994	<	sendto_one(target_p, ":%s MODE %s :%s",
995	<	ID_or_name(source_p, target_p),
996	<	ID_or_name(source_p, target_p), buf);
997	<	}
998	<	}
999	<
1000	<	if (client_p && MyClient(client_p))
1001	<	send_umode(client_p, source_p, old, 0xffffffff, buf);
777	>	sendto_server(source_p, 0, 0, ":%s MODE %s :%s",
778	>	source_p->id, source_p->id, buf);
779		}
780
781		void
782		user_set_hostmask(struct Client *target_p, const char *hostname, const int what)
783		{
784	<	dlink_node *ptr = NULL;
784	>	dlink_node *node = NULL;
785
786		if (!strcmp(target_p->host, hostname))
787		return;
#	Line 1013 | Line 790 | user_set_hostmask(struct Client *target_
790		{
791		case MODE_ADD:
792		AddUMode(target_p, UMODE_HIDDENHOST);
1016	–	AddFlag(target_p, FLAGS_IP_SPOOFING);
793		break;
794		case MODE_DEL:
795		DelUMode(target_p, UMODE_HIDDENHOST);
1020	–
1021	–	if (!HasFlag(target_p, FLAGS_AUTH_SPOOF))
1022	–	DelFlag(target_p, FLAGS_IP_SPOOFING);
796		break;
797		default: return;
798		}
799
800	<	if (ConfigFileEntry.cycle_on_host_change)
800	>	if (ConfigGeneral.cycle_on_host_change)
801		sendto_common_channels_local(target_p, 0, 0, ":%s!%s@%s QUIT :Changing hostname",
802		target_p->name, target_p->username, target_p->host);
803
#	Line 1038 | Line 811 | user_set_hostmask(struct Client *target_
811
812		if (MyClient(target_p))
813		{
814	<	sendto_one_numeric(target_p, &me, RPL_NEWHOSTIS, target_p->host);
814	>	sendto_one_numeric(target_p, &me, RPL_VISIBLEHOST, target_p->host);
815		clear_ban_cache_client(target_p);
816		}
817
818	<	if (!ConfigFileEntry.cycle_on_host_change)
818	>	if (!ConfigGeneral.cycle_on_host_change)
819		return;
820
821	<	DLINK_FOREACH(ptr, target_p->channel.head)
821	>	DLINK_FOREACH(node, target_p->channel.head)
822		{
823	<	char modebuf[4], nickbuf[NICKLEN * 3 + 3] = { '\0' };
823	>	char modebuf[4], nickbuf[NICKLEN * 3 + 3] = "";
824		char *p = modebuf;
825		int len = 0;
826	<	const struct Membership *ms = ptr->data;
826	>	const struct Membership *member = node->data;
827
828	<	if (has_member_flags(ms, CHFL_CHANOP))
828	>	if (has_member_flags(member, CHFL_CHANOP))
829		{
830		*p++ = 'o';
831		len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
832		}
833
834	<	if (has_member_flags(ms, CHFL_HALFOP))
834	>	if (has_member_flags(member, CHFL_HALFOP))
835		{
836		*p++ = 'h';
837		len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
838		}
839
840	<	if (has_member_flags(ms, CHFL_VOICE))
840	>	if (has_member_flags(member, CHFL_VOICE))
841		{
842		*p++ = 'v';
843		len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
#	Line 1072 | Line 845 | user_set_hostmask(struct Client *target_
845
846		*p = '\0';
847
848	<	sendto_channel_local_butone(target_p, 0, 0, ms->chptr, ":%s!%s@%s JOIN :%s",
849	<	target_p->name, target_p->username, target_p->host,
850	<	ms->chptr->chname);
848	>
849	>	sendto_channel_local_butone(target_p, CAP_EXTENDED_JOIN, 0, member->chptr, ":%s!%s@%s JOIN %s %s :%s",
850	>	target_p->name, target_p->username,
851	>	target_p->host, member->chptr->name,
852	>	(!IsDigit(target_p->account[0]) && target_p->account[0] != '*') ? target_p->account : "*",
853	>	target_p->info);
854	>	sendto_channel_local_butone(target_p, 0, CAP_EXTENDED_JOIN, member->chptr, ":%s!%s@%s JOIN :%s",
855	>	target_p->name, target_p->username,
856	>	target_p->host, member->chptr->name);
857	>
858		if (nickbuf[0])
859	<	sendto_channel_local_butone(target_p, 0, 0, ms->chptr, ":%s MODE %s +%s %s",
860	<	target_p->servptr->name, ms->chptr->chname,
859	>	sendto_channel_local_butone(target_p, 0, 0, member->chptr, ":%s MODE %s +%s %s",
860	>	target_p->servptr->name, member->chptr->name,
861		modebuf, nickbuf);
862
863		}
#	Line 1089 | Line 869 | user_set_hostmask(struct Client *target_
869		target_p->host, target_p->away);
870		}
871
872	<	/* user_welcome()
873	<	*
874	<	* inputs       - client pointer to client to welcome
1095	<	* output       - NONE
1096	<	* side effects -
1097	<	*/
1098	<	static void
1099	<	user_welcome(struct Client *source_p)
1100	<	{
1101	<	#if defined(__TIME__) && defined(__DATE__)
1102	<	static const char built_date[] = __DATE__ " at " __TIME__;
1103	<	#else
1104	<	static const char built_date[] = "unknown";
1105	<	#endif
1106	<
1107	<	#ifdef HAVE_LIBCRYPTO
1108	<	if (HasFlag(source_p, FLAGS_SSL))
1109	<	{
1110	<	AddUMode(source_p, UMODE_SSL);
1111	<	sendto_one_notice(source_p, &me, ":*** Connected securely via %s",
1112	<	ssl_get_cipher(source_p->localClient->fd.ssl));
1113	<	}
1114	<	#endif
1115	<
1116	<	sendto_one_numeric(source_p, &me, RPL_WELCOME, ServerInfo.network_name,
1117	<	source_p->name);
1118	<	sendto_one_numeric(source_p, &me, RPL_YOURHOST,
1119	<	get_listener_name(source_p->localClient->listener), ircd_version);
1120	<	sendto_one_numeric(source_p, &me, RPL_CREATED, built_date);
1121	<	sendto_one_numeric(source_p, &me, RPL_MYINFO, me.name, ircd_version, umode_buffer);
1122	<	show_isupport(source_p);
1123	<
1124	<	if (source_p->id[0] != '\0')
1125	<	sendto_one_numeric(source_p, &me, RPL_YOURID, source_p->id);
1126	<
1127	<	show_lusers(source_p);
1128	<	motd_signon(source_p);
1129	<	}
1130	<
1131	<	/* check_xline()
1132	<	*
1133	<	* inputs       - pointer to client to test
1134	<	* outupt       - 1 if exiting 0 if ok
1135	<	* side effects -
1136	<	*/
1137	<	static int
1138	<	check_xline(struct Client *source_p)
1139	<	{
1140	<	struct MaskItem *conf = NULL;
1141	<	const char *reason = NULL;
1142	<
1143	<	if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)))
1144	<	{
1145	<	++conf->count;
1146	<
1147	<	if (conf->reason != NULL)
1148	<	reason = conf->reason;
1149	<	else
1150	<	reason = "No Reason";
1151	<
1152	<	sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
1153	<	"X-line Rejecting [%s] [%s], user %s [%s]",
1154	<	source_p->info, reason,
1155	<	get_client_name(source_p, HIDE_IP),
1156	<	source_p->sockhost);
1157	<
1158	<	++ServerStats.is_ref;
1159	<	exit_client(source_p, &me, "Bad user info");
1160	<	return 1;
1161	<	}
1162	<
1163	<	return 0;
1164	<	}
1165	<
1166	<	/* oper_up()
1167	<	*
1168	<	* inputs       - pointer to given client to oper
1169	<	* output       - NONE
1170	<	* side effects - Blindly opers up given source_p, using conf info
1171	<	*                all checks on passwords have already been done.
1172	<	*                This could also be used by rsa oper routines.
872	>	/*! \brief Blindly opers up given source_p, using conf info.
873	>	*         All checks on passwords have already been done.
874	>	* \param source_p Pointer to given client to oper
875		*/
876		void
877		oper_up(struct Client *source_p)
878		{
879		const unsigned int old = source_p->umodes;
880	<	const struct MaskItem *conf = source_p->localClient->confs.head->data;
880	>	const struct MaskItem *const conf = source_p->connection->confs.head->data;
881
882	<	assert(source_p->localClient->confs.head);
882	>	assert(source_p->connection->confs.head);
883
884		++Count.oper;
885		SetOper(source_p);
886
887		if (conf->modes)
888		AddUMode(source_p, conf->modes);
889	<	else if (ConfigFileEntry.oper_umodes)
890	<	AddUMode(source_p, ConfigFileEntry.oper_umodes);
889	>	else if (ConfigGeneral.oper_umodes)
890	>	AddUMode(source_p, ConfigGeneral.oper_umodes);
891
892		if (!(old & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
893		++Count.invisi;
#	Line 1200 | Line 902 | oper_up(struct Client *source_p)
902		if (HasOFlag(source_p, OPER_FLAG_ADMIN))
903		AddUMode(source_p, UMODE_ADMIN);
904
905	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, "%s is now an operator",
1204	<	get_oper_name(source_p));
1205	<	send_umode_out(source_p, source_p, old);
1206	<	sendto_one_numeric(source_p, &me, RPL_YOUREOPER);
1207	<	}
1208	<
1209	<	static char new_uid[TOTALSIDUID + 1];     /* allow for \0 */
1210	<
1211	<	int
1212	<	valid_sid(const char *sid)
1213	<	{
1214	<	if (strlen(sid) == IRC_MAXSID)
1215	<	if (IsDigit(*sid))
1216	<	if (IsAlNum(*(sid + 1)) && IsAlNum(*(sid + 2)))
1217	<	return 1;
1218	<
1219	<	return 0;
1220	<	}
1221	<
1222	<	/*
1223	<	* init_uid()
1224	<	*
1225	<	* inputs       - NONE
1226	<	* output       - NONE
1227	<	* side effects - new_uid is filled in with server id portion (sid)
1228	<	*                (first 3 bytes) or defaulted to 'A'.
1229	<	*                Rest is filled in with 'A'
1230	<	*/
1231	<	void
1232	<	init_uid(void)
1233	<	{
1234	<	unsigned int i;
1235	<
1236	<	memset(new_uid, 0, sizeof(new_uid));
1237	<
1238	<	if (!EmptyString(ServerInfo.sid))
1239	<	strlcpy(new_uid, ServerInfo.sid, sizeof(new_uid));
1240	<
1241	<	for (i = 0; i < IRC_MAXSID; ++i)
1242	<	if (new_uid[i] == '\0')
1243	<	new_uid[i] = 'A';
1244	<
1245	<	/* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1246	<	memcpy(new_uid + IRC_MAXSID, "AAAAA@", IRC_MAXUID);
1247	<	}
1248	<
1249	<	/*
1250	<	* add_one_to_uid
1251	<	*
1252	<	* inputs       - index number into new_uid
1253	<	* output       - NONE
1254	<	* side effects - new_uid is incremented by one
1255	<	*                note this is a recursive function
1256	<	*/
1257	<	static void
1258	<	add_one_to_uid(int i)
1259	<	{
1260	<	if (i != IRC_MAXSID)    /* Not reached server SID portion yet? */
905	>	if (!EmptyString(conf->whois))
906		{
907	<	if (new_uid[i] == 'Z')
908	<	new_uid[i] = '0';
909	<	else if (new_uid[i] == '9')
910	<	{
1266	<	new_uid[i] = 'A';
1267	<	add_one_to_uid(i-1);
1268	<	}
1269	<	else
1270	<	++new_uid[i];
907	>	client_attach_svstag(source_p, RPL_WHOISOPERATOR, "+", conf->whois);
908	>	sendto_server(source_p, 0, 0, ":%s SVSTAG %s %lu %u + :%s",
909	>	me.id, source_p->id, (unsigned long)source_p->tsinfo,
910	>	RPL_WHOISOPERATOR, conf->whois);
911		}
1272	–	else
1273	–	{
1274	–	/* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1275	–	if (new_uid[i] == 'Z')
1276	–	memcpy(new_uid + IRC_MAXSID, "AAAAAA", IRC_MAXUID);
1277	–	else
1278	–	++new_uid[i];
1279	–	}
1280	–	}
912
913	<	/*
914	<	* uid_get
915	<	*
916	<	* inputs       - struct Client *
917	<	* output       - new UID is returned to caller
918	<	* side effects - new_uid is incremented by one.
1288	<	*/
1289	<	static const char *
1290	<	uid_get(void)
1291	<	{
1292	<	add_one_to_uid(TOTALSIDUID - 1);    /* index from 0 */
1293	<	return new_uid;
913	>	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, "%s is now an operator",
914	>	get_oper_name(source_p));
915	>	sendto_server(NULL, 0, 0, ":%s GLOBOPS :%s is now an operator",
916	>	me.id, get_oper_name(source_p));
917	>	send_umode_out(source_p, old);
918	>	sendto_one_numeric(source_p, &me, RPL_YOUREOPER);
919		}
920
921		/*
#	Line 1304 | Line 929 | void
929		init_isupport(void)
930		{
931		add_isupport("CALLERID", NULL, -1);
932	<	add_isupport("CASEMAPPING", CASEMAP, -1);
932	>	add_isupport("CASEMAPPING", "rfc1459", -1);
933		add_isupport("DEAF", "D", -1);
934		add_isupport("KICKLEN", NULL, KICKLEN);
935		add_isupport("MODES", NULL, MAXMODEPARAMS);
1311	–	#ifdef HALFOPS
936		add_isupport("PREFIX", "(ohv)@%+", -1);
937		add_isupport("STATUSMSG", "@%+", -1);
938	<	#else
939	<	add_isupport("PREFIX", "(ov)@+", -1);
1316	<	add_isupport("STATUSMSG", "@+", -1);
1317	<	#endif
1318	<	add_isupport("EXCEPTS", "e", -1);
1319	<	add_isupport("INVEX", "I", -1);
938	>	add_isupport("EXCEPTS", NULL, -1);
939	>	add_isupport("INVEX", NULL, -1);
940		}
941
942		/*
#	Line 1331 | Line 951 | init_isupport(void)
951		void
952		add_isupport(const char *name, const char *options, int n)
953		{
954	<	dlink_node *ptr;
955	<	struct Isupport *support;
954	>	dlink_node *node = NULL;
955	>	struct Isupport *support = NULL;
956
957	<	DLINK_FOREACH(ptr, support_list.head)
957	>	DLINK_FOREACH(node, support_list.head)
958		{
959	<	support = ptr->data;
959	>	support = node->data;
960		if (irccmp(support->name, name) == 0)
961		{
962		MyFree(support->name);
#	Line 1345 | Line 965 | add_isupport(const char *name, const cha
965		}
966		}
967
968	<	if (ptr == NULL)
968	>	if (node == NULL)
969		{
970	<	support = MyMalloc(sizeof(*support));
970	>	support = MyCalloc(sizeof(*support));
971		dlinkAddTail(support, &support->node, &support_list);
972		}
973
974		support->name = xstrdup(name);
975	<	if (options != NULL)
975	>	if (options)
976		support->options = xstrdup(options);
977		support->number = n;
978
#	Line 1369 | Line 989 | add_isupport(const char *name, const cha
989		void
990		delete_isupport(const char *name)
991		{
992	<	dlink_node *ptr;
1373	<	struct Isupport *support;
992	>	dlink_node *node = NULL;
993
994	<	DLINK_FOREACH(ptr, support_list.head)
994	>	DLINK_FOREACH(node, support_list.head)
995		{
996	<	support = ptr->data;
996	>	struct Isupport *support = node->data;
997	>
998		if (irccmp(support->name, name) == 0)
999		{
1000	<	dlinkDelete(ptr, &support_list);
1000	>	dlinkDelete(node, &support_list);
1001		MyFree(support->name);
1002		MyFree(support->options);
1003		MyFree(support);
#	Line 1400 | Line 1020 | rebuild_isupport_message_line(void)
1020		{
1021		char isupportbuffer[IRCD_BUFSIZE];
1022		char *p = isupportbuffer;
1023	<	dlink_node *ptr = NULL, *ptr_next = NULL;
1023	>	dlink_node *node = NULL, *node_next = NULL;
1024		int n = 0;
1025		int tokens = 0;
1026		size_t len = 0;
1027		size_t reserve = strlen(me.name) + HOSTLEN + strlen(numeric_form(RPL_ISUPPORT));
1028
1029	<	DLINK_FOREACH_SAFE(ptr, ptr_next, support_list_lines.head)
1029	>	DLINK_FOREACH_SAFE(node, node_next, support_list_lines.head)
1030		{
1031	<	dlinkDelete(ptr, &support_list_lines);
1032	<	MyFree(ptr->data);
1033	<	free_dlink_node(ptr);
1031	>	dlinkDelete(node, &support_list_lines);
1032	>	MyFree(node->data);
1033	>	free_dlink_node(node);
1034		}
1035
1036	<	DLINK_FOREACH(ptr, support_list.head)
1036	>	DLINK_FOREACH(node, support_list.head)
1037		{
1038	<	struct Isupport *support = ptr->data;
1038	>	struct Isupport *support = node->data;
1039
1040		p += (n = sprintf(p, "%s", support->name));
1041		len += n;
1042
1043	<	if (support->options != NULL)
1043	>	if (support->options)
1044		{
1045		p += (n = sprintf(p, "=%s", support->options));
1046		len += n;
#	Line 1448 | Line 1068 | rebuild_isupport_message_line(void)
1068		}
1069		}
1070
1071	<	if (len != 0)
1071	>	if (len)
1072		{
1073		if (*--p == ' ')
1074		*p = '\0';

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