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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 2134 by michael, Wed May 29 18:59:39 2013 UTC vs.
ircd-hybrid/trunk/src/user.c (file contents), Revision 6367 by michael, Wed Aug 19 10:25:00 2015 UTC

#	Line 1 | Line 1
1		/*
2	<	*  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3	<	*  s_user.c: User related functions.
2	>	*  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3		*
4	<	*  Copyright (C) 2002 by the past and present ircd coders, and others.
4	>	*  Copyright (c) 1997-2015 ircd-hybrid development team
5		*
6		*  This program is free software; you can redistribute it and/or modify
7		*  it under the terms of the GNU General Public License as published by
#	Line 16 | Line 15
15		*
16		*  You should have received a copy of the GNU General Public License
17		*  along with this program; if not, write to the Free Software
18	<	*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
18	>	*  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19		*  USA
20	<	*
21	<	*  $Id$
20	>	*/
21	>
22	>	/*! \file user.c
23	>	* \brief User related functions.
24	>	* \version $Id$
25		*/
26
27		#include "stdinc.h"
28		#include "list.h"
29	<	#include "s_user.h"
28	<	#include "s_misc.h"
29	>	#include "user.h"
30		#include "channel.h"
31		#include "channel_mode.h"
32		#include "client.h"
32	–	#include "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 "log.h"
42	<	#include "s_serv.h"
42	>	#include "server.h"
43		#include "send.h"
44	–	#include "supported.h"
45	–	#include "whowas.h"
44		#include "memory.h"
45		#include "packet.h"
46		#include "rng_mt.h"
47		#include "userhost.h"
48	<	#include "hook.h"
51	<	#include "s_misc.h"
48	>	#include "misc.h"
49		#include "parse.h"
50		#include "watch.h"
51	<
51	>	#include "isupport.h"
52
53		static char umode_buffer[IRCD_BUFSIZE];
54
55	<	static void user_welcome(struct Client *);
56	<	static void report_and_set_user_flags(struct Client *, const struct MaskItem *);
60	<	static int check_xline(struct Client *);
61	<	static void introduce_client(struct Client *);
62	<	static const char *uid_get(void);
63	<
64	<	/* Used for building up the isupport string,
65	<	* used with init_isupport, add_isupport, delete_isupport
66	<	*/
67	<
68	<	struct Isupport
55	>	const struct user_modes *umode_map[256];
56	>	const struct user_modes  umode_tab[] =
57		{
58	<	dlink_node node;
59	<	char *name;
60	<	char *options;
61	<	int number;
62	<	};
63	<
64	<	static dlink_list support_list = { NULL, NULL, 0 };
65	<	MessageFile *isupportFile;
66	<
67	<	/* memory is cheap. map 0-255 to equivalent mode */
68	<	const unsigned int user_modes[256] =
69	<	{
70	<	/* 0x00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x0F */
71	<	/* 0x10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x1F */
72	<	/* 0x20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x2F */
73	<	/* 0x30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x3F */
74	<	0,                  /* @ */
75	<	0,                  /* A */
76	<	0,                  /* B */
77	<	UMODE_CCONN_FULL,   /* C */
78	<	UMODE_DEAF,         /* D */
79	<	0,                  /* E */
80	<	UMODE_FARCONNECT,   /* F */
81	<	UMODE_SOFTCALLERID, /* G */
82	<	UMODE_HIDDEN,       /* H */
83	<	0,                  /* I */
84	<	0,                  /* J */
85	<	0,                  /* K */
86	<	0,                  /* L */
99	<	0,                  /* M */
100	<	0,                  /* N */
101	<	0,                  /* O */
102	<	0,                  /* P */
103	<	0,                  /* Q */
104	<	UMODE_REGONLY,      /* R */
105	<	0,                  /* S */
106	<	0,                  /* T */
107	<	0,                  /* U */
108	<	0,                  /* V */
109	<	0,                  /* W */
110	<	0,                  /* X */
111	<	0,                  /* Y */
112	<	0,                  /* Z 0x5A */
113	<	0, 0, 0, 0, 0,      /* 0x5F   */
114	<	0,                  /* 0x60   */
115	<	UMODE_ADMIN,        /* a */
116	<	UMODE_BOTS,         /* b */
117	<	UMODE_CCONN,        /* c */
118	<	UMODE_DEBUG,        /* d */
119	<	UMODE_EXTERNAL,     /* e */
120	<	UMODE_FULL,         /* f */
121	<	UMODE_CALLERID,     /* g */
122	<	0,                  /* h */
123	<	UMODE_INVISIBLE,    /* i */
124	<	UMODE_REJ,          /* j */
125	<	UMODE_SKILL,        /* k */
126	<	UMODE_LOCOPS,       /* l */
127	<	0,                  /* m */
128	<	UMODE_NCHANGE,      /* n */
129	<	UMODE_OPER,         /* o */
130	<	0,                  /* p */
131	<	0,                  /* q */
132	<	UMODE_REGISTERED,   /* r */
133	<	UMODE_SERVNOTICE,   /* s */
134	<	0,                  /* t */
135	<	UMODE_UNAUTH,       /* u */
136	<	0,                  /* v */
137	<	UMODE_WALLOP,       /* w */
138	<	0,                  /* x */
139	<	UMODE_SPY,          /* y */
140	<	UMODE_OPERWALL,     /* z      0x7A */
141	<	0,0,0,0,0,          /* 0x7B - 0x7F */
142	<
143	<	/* 0x80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x8F */
144	<	/* 0x90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x9F */
145	<	/* 0xA0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xAF */
146	<	/* 0xB0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xBF */
147	<	/* 0xC0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xCF */
148	<	/* 0xD0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xDF */
149	<	/* 0xE0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xEF */
150	<	/* 0xF0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0  /* 0xFF */
58	>	{ 'D', UMODE_DEAF         },
59	>	{ 'F', UMODE_FARCONNECT   },
60	>	{ 'G', UMODE_SOFTCALLERID },
61	>	{ 'H', UMODE_HIDDEN       },
62	>	{ 'R', UMODE_REGONLY      },
63	>	{ 'S', UMODE_SSL          },
64	>	{ 'W', UMODE_WEBIRC       },
65	>	{ 'a', UMODE_ADMIN        },
66	>	{ 'b', UMODE_BOTS         },
67	>	{ 'c', UMODE_CCONN        },
68	>	{ 'd', UMODE_DEBUG        },
69	>	{ 'e', UMODE_EXTERNAL     },
70	>	{ 'f', UMODE_FULL         },
71	>	{ 'g', UMODE_CALLERID     },
72	>	{ 'i', UMODE_INVISIBLE    },
73	>	{ 'j', UMODE_REJ          },
74	>	{ 'k', UMODE_SKILL        },
75	>	{ 'l', UMODE_LOCOPS       },
76	>	{ 'n', UMODE_NCHANGE      },
77	>	{ 'o', UMODE_OPER         },
78	>	{ 'p', UMODE_HIDECHANS    },
79	>	{ 'q', UMODE_HIDEIDLE     },
80	>	{ 'r', UMODE_REGISTERED   },
81	>	{ 's', UMODE_SERVNOTICE   },
82	>	{ 'u', UMODE_UNAUTH       },
83	>	{ 'w', UMODE_WALLOP       },
84	>	{ 'x', UMODE_HIDDENHOST   },
85	>	{ 'y', UMODE_SPY          },
86	>	{ '\0', 0 }
87		};
88
89		void
90	<	assemble_umode_buffer(void)
90	>	user_modes_init(void)
91		{
156	–	unsigned int idx = 0;
92		char *umode_buffer_ptr = umode_buffer;
93
94	<	for (; idx < (sizeof(user_modes) / sizeof(user_modes[0])); ++idx)
95	<	if (user_modes[idx])
96	<	*umode_buffer_ptr++ = idx;
94	>	for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
95	>	{
96	>	umode_map[tab->c] = tab;
97	>	*umode_buffer_ptr++ = tab->c;
98	>	}
99
100		*umode_buffer_ptr = '\0';
101		}
#	Line 170 | Line 107 | assemble_umode_buffer(void)
107		* side effects - display to client user counts etc.
108		*/
109		void
110	<	show_lusers(struct Client *source_p)
110	>	show_lusers(struct Client *source_p)
111		{
112	<	const char *from, *to;
112	>	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
113	>	sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total - Count.invisi),
114	>	Count.invisi, dlink_list_length(&global_server_list));
115	>	else
116	>	sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total - Count.invisi),
117	>	Count.invisi, 1);
118
119	<	if (!MyConnect(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
119	>	if (Count.oper)
120	>	sendto_one_numeric(source_p, &me, RPL_LUSEROP, Count.oper);
121	>
122	>	if (dlink_list_length(&unknown_list))
123	>	sendto_one_numeric(source_p, &me, RPL_LUSERUNKNOWN, dlink_list_length(&unknown_list));
124	>
125	>	if (dlink_list_length(&channel_list))
126	>	sendto_one_numeric(source_p, &me, RPL_LUSERCHANNELS, dlink_list_length(&channel_list));
127	>
128	>	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
129		{
130	<	from = me.id;
131	<	to = source_p->id;
130	>	sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.local, Count.myserver);
131	>	sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.local, Count.max_loc);
132		}
133		else
134		{
135	<	from = me.name;
136	<	to = source_p->name;
135	>	sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.total, 0);
136	>	sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.total, Count.max_tot);
137		}
138
139	+	sendto_one_numeric(source_p, &me, RPL_GLOBALUSERS, Count.total, Count.max_tot);
140	+
141		if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
142	<	sendto_one(source_p, form_str(RPL_LUSERCLIENT),
143	<	from, to, (Count.total-Count.invisi),
144	<	Count.invisi, dlink_list_length(&global_serv_list));
145	<	else
146	<	sendto_one(source_p, form_str(RPL_LUSERCLIENT), from, to,
194	<	(Count.total-Count.invisi), Count.invisi, 1);
142	>	sendto_one_numeric(source_p, &me, RPL_STATSCONN, Count.max_loc_con,
143	>	Count.max_loc_cli, Count.totalrestartcount);
144	>
145	>	if (Count.local > Count.max_loc_cli)
146	>	Count.max_loc_cli = Count.local;
147
148	<	if (Count.oper > 0)
149	<	sendto_one(source_p, form_str(RPL_LUSEROP),
150	<	from, to, Count.oper);
199	<
200	<	if (dlink_list_length(&unknown_list) > 0)
201	<	sendto_one(source_p, form_str(RPL_LUSERUNKNOWN),
202	<	from, to, dlink_list_length(&unknown_list));
203	<
204	<	if (dlink_list_length(&global_channel_list) > 0)
205	<	sendto_one(source_p, form_str(RPL_LUSERCHANNELS),
206	<	from, to, dlink_list_length(&global_channel_list));
148	>	if ((Count.local + Count.myserver) > Count.max_loc_con)
149	>	Count.max_loc_con = Count.local + Count.myserver;
150	>	}
151
152	<	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
152	>	/* report_and_set_user_flags()
153	>	*
154	>	* inputs       - pointer to source_p
155	>	*              - pointer to conf for this user
156	>	* output       - NONE
157	>	* side effects - Report to user any special flags
158	>	*                they are getting, and set them.
159	>	*/
160	>	static void
161	>	report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
162	>	{
163	>	/* If this user is being spoofed, tell them so */
164	>	if (IsConfDoSpoofIp(conf))
165	>	sendto_one_notice(source_p, &me, ":*** Spoofing your IP. Congrats.");
166	>
167	>	/* If this user is in the exception class, set it "E lined" */
168	>	if (IsConfExemptKline(conf))
169	>	{
170	>	AddFlag(source_p, FLAGS_EXEMPTKLINE);
171	>	sendto_one_notice(source_p, &me, ":*** You are exempt from K/D lines. Congrats.");
172	>	}
173	>
174	>	if (IsConfExemptXline(conf))
175	>	{
176	>	AddFlag(source_p, FLAGS_EXEMPTXLINE);
177	>	sendto_one_notice(source_p, &me, ":*** You are exempt from X lines. Congrats.");
178	>	}
179	>
180	>	if (IsConfExemptResv(conf))
181	>	{
182	>	AddFlag(source_p, FLAGS_EXEMPTRESV);
183	>	sendto_one_notice(source_p, &me, ":*** You are exempt from resvs. Congrats.");
184	>	}
185	>
186	>	/* If this user is exempt from user limits set it "F lined" */
187	>	if (IsConfExemptLimits(conf))
188		{
189	<	sendto_one(source_p, form_str(RPL_LUSERME),
190	<	from, to, Count.local, Count.myserver);
212	<	sendto_one(source_p, form_str(RPL_LOCALUSERS),
213	<	from, to, Count.local, Count.max_loc);
189	>	AddFlag(source_p, FLAGS_NOLIMIT);
190	>	sendto_one_notice(source_p, &me, ":*** You are exempt from user limits. Congrats.");
191		}
192	+
193	+	if (IsConfCanFlood(conf))
194	+	{
195	+	AddFlag(source_p, FLAGS_CANFLOOD);
196	+	sendto_one_notice(source_p, &me, ":*** You are exempt from flood "
197	+	"protection, aren't you fearsome.");
198	+	}
199	+	}
200	+
201	+	/* introduce_client()
202	+	*
203	+	* inputs       - source_p
204	+	* output       - NONE
205	+	* side effects - This common function introduces a client to the rest
206	+	*                of the net, either from a local client connect or
207	+	*                from a remote connect.
208	+	*/
209	+	static void
210	+	introduce_client(struct Client *source_p)
211	+	{
212	+	dlink_node *node = NULL;
213	+	char ubuf[IRCD_BUFSIZE] = "";
214	+
215	+	if (MyClient(source_p))
216	+	send_umode(source_p, source_p, 0, ubuf);
217		else
218	+	send_umode(NULL, source_p, 0, ubuf);
219	+
220	+	watch_check_hash(source_p, RPL_LOGON);
221	+
222	+	if (ubuf[0] == '\0')
223		{
224	<	sendto_one(source_p, form_str(RPL_LUSERME),
225	<	from, to, Count.total, 0);
219	<	sendto_one(source_p, form_str(RPL_LOCALUSERS),
220	<	from, to, Count.total, Count.max_tot);
224	>	ubuf[0] = '+';
225	>	ubuf[1] = '\0';
226		}
227
228	<	sendto_one(source_p, form_str(RPL_GLOBALUSERS),
229	<	from, to, Count.total, Count.max_tot);
228	>	DLINK_FOREACH(node, local_server_list.head)
229	>	{
230	>	struct Client *server = node->data;
231
232	<	if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
233	<	sendto_one(source_p, form_str(RPL_STATSCONN), from, to,
228	<	Count.max_loc_con, Count.max_loc_cli, Count.totalrestartcount);
232	>	if (server == source_p->from)
233	>	continue;
234
235	<	if (Count.local > Count.max_loc_cli)
236	<	Count.max_loc_cli = Count.local;
235	>	if (IsCapable(server, CAPAB_SVS))
236	>	sendto_one(server, ":%s UID %s %u %lu %s %s %s %s %s %s :%s",
237	>	source_p->servptr->id,
238	>	source_p->name, source_p->hopcount+1,
239	>	(unsigned long)source_p->tsinfo,
240	>	ubuf, source_p->username, source_p->host,
241	>	source_p->sockhost, source_p->id,
242	>	source_p->account,
243	>	source_p->info);
244	>	else
245	>	sendto_one(server, ":%s UID %s %u %lu %s %s %s %s %s :%s",
246	>	source_p->servptr->id,
247	>	source_p->name, source_p->hopcount+1,
248	>	(unsigned long)source_p->tsinfo,
249	>	ubuf, source_p->username, source_p->host,
250	>	source_p->sockhost, source_p->id, source_p->info);
251
252	<	if ((Count.local + Count.myserver) > Count.max_loc_con)
253	<	Count.max_loc_con = Count.local + Count.myserver;
252	>	if (!EmptyString(source_p->certfp))
253	>	sendto_one(server, ":%s CERTFP %s", source_p->id, source_p->certfp);
254	>	}
255		}
256
257	<	/* show_isupport()
257	>	/* user_welcome()
258		*
259	<	* inputs       - pointer to client
259	>	* inputs       - client pointer to client to welcome
260		* output       - NONE
261	<	* side effects - display to client what we support (for them)
261	>	* side effects -
262		*/
263	<	void
264	<	show_isupport(struct Client *source_p)
263	>	static void
264	>	user_welcome(struct Client *source_p)
265		{
266	<	send_message_file(source_p, isupportFile);
266	>	#if defined(__TIME__) && defined(__DATE__)
267	>	static const char built_date[] = __DATE__ " at " __TIME__;
268	>	#else
269	>	static const char built_date[] = "unknown";
270	>	#endif
271	>
272	>	#ifdef HAVE_LIBCRYPTO
273	>	if (HasFlag(source_p, FLAGS_SSL))
274	>	{
275	>	AddUMode(source_p, UMODE_SSL);
276	>	sendto_one_notice(source_p, &me, ":*** Connected securely via %s",
277	>	ssl_get_cipher(source_p->connection->fd.ssl));
278	>	}
279	>	#endif
280	>
281	>	sendto_one_numeric(source_p, &me, RPL_WELCOME, ConfigServerInfo.network_name,
282	>	source_p->name);
283	>	sendto_one_numeric(source_p, &me, RPL_YOURHOST,
284	>	listener_get_name(source_p->connection->listener), ircd_version);
285	>	sendto_one_numeric(source_p, &me, RPL_CREATED, built_date);
286	>	sendto_one_numeric(source_p, &me, RPL_MYINFO, me.name, ircd_version, umode_buffer);
287	>
288	>	isupport_show(source_p);
289	>	show_lusers(source_p);
290	>	motd_signon(source_p);
291		}
292
293	<	/*
294	<	** register_local_user
295	<	**      This function is called when both NICK and USER messages
296	<	**      have been accepted for the client, in whatever order. Only
297	<	**      after this, is the USER message propagated.
298	<	**
299	<	**      NICK's must be propagated at once when received, although
300	<	**      it would be better to delay them too until full info is
301	<	**      available. Doing it is not so simple though, would have
302	<	**      to implement the following:
303	<	**
304	<	**      (actually it has been implemented already for a while) -orabidoo
305	<	**
306	<	**      1) user telnets in and gives only "NICK foobar" and waits
307	<	**      2) another user far away logs in normally with the nick
308	<	**         "foobar" (quite legal, as this server didn't propagate
309	<	**         it).
310	<	**      3) now this server gets nick "foobar" from outside, but
311	<	**         has alread the same defined locally. Current server
312	<	**         would just issue "KILL foobar" to clean out dups. But,
313	<	**         this is not fair. It should actually request another
314	<	**         nick from local user or kill him/her...
315	<	*/
293	>	/* check_xline()
294	>	*
295	>	* inputs       - pointer to client to test
296	>	* outupt       - 1 if exiting 0 if ok
297	>	* side effects -
298	>	*/
299	>	static int
300	>	check_xline(struct Client *source_p)
301	>	{
302	>	struct MaskItem *conf = NULL;
303	>
304	>	if (HasFlag(source_p, FLAGS_EXEMPTXLINE))
305	>	return 0;
306	>
307	>	if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)))
308	>	{
309	>	++conf->count;
310	>	sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
311	>	"X-line Rejecting [%s] [%s], user %s [%s]",
312	>	source_p->info, conf->reason,
313	>	get_client_name(source_p, HIDE_IP),
314	>	source_p->sockhost);
315	>
316	>	++ServerStats.is_ref;
317	>	exit_client(source_p, "Bad user info");
318	>	return 1;
319	>	}
320	>
321	>	return 0;
322	>	}
323	>
324	>	/*! \brief This function is called when both NICK and USER messages
325	>	*      have been accepted for the client, in whatever order. Only
326	>	*      after this, is the UID message propagated.
327	>	* \param source_p Pointer to given client to introduce
328	>	*/
329		void
330		register_local_user(struct Client *source_p)
331		{
332		const char *id = NULL;
333		const struct MaskItem *conf = NULL;
334
278	–	assert(source_p != NULL);
335		assert(source_p == source_p->from);
336		assert(MyConnect(source_p));
337	<	assert(!source_p->localClient->registration);
338	<
283	<	ClearCap(source_p, CAP_TS6);
337	>	assert(IsUnknown(source_p));
338	>	assert(!source_p->connection->registration);
339
340	<	if (ConfigFileEntry.ping_cookie)
340	>	if (ConfigGeneral.ping_cookie)
341		{
342	<	if (!IsPingSent(source_p) && source_p->localClient->random_ping == 0)
342	>	if (!HasFlag(source_p, FLAGS_PINGSENT) && !source_p->connection->random_ping)
343		{
344		do
345	<	source_p->localClient->random_ping = genrand_int32();
346	<	while (!source_p->localClient->random_ping);
345	>	source_p->connection->random_ping = genrand_int32();
346	>	while (!source_p->connection->random_ping);
347
348	<	sendto_one(source_p, "PING :%u",
349	<	source_p->localClient->random_ping);
295	<	SetPingSent(source_p);
348	>	sendto_one(source_p, "PING :%u", source_p->connection->random_ping);
349	>	AddFlag(source_p, FLAGS_PINGSENT);
350		return;
351		}
352
353	<	if (!HasPingCookie(source_p))
353	>	if (!HasFlag(source_p, FLAGS_PING_COOKIE))
354		return;
355		}
356
357	<	source_p->localClient->last_privmsg = CurrentTime;
357	>	source_p->connection->last_privmsg = CurrentTime;
358		/* Straight up the maximum rate of flooding... */
359	<	source_p->localClient->allow_read = MAX_FLOOD_BURST;
359	>	source_p->connection->allow_read = MAX_FLOOD_BURST;
360
361		if (!check_client(source_p))
362		return;
363
364	<	if (valid_hostname(source_p->host) == 0)
364	>	if (!valid_hostname(source_p->host))
365		{
366	<	sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You have an illegal "
367	<	"character in your hostname", me.name, source_p->name);
368	<	strlcpy(source_p->host, source_p->sockhost,
315	<	sizeof(source_p->host));
366	>	sendto_one_notice(source_p, &me, ":*** Notice -- You have an illegal "
367	>	"character in your hostname");
368	>	strlcpy(source_p->host, source_p->sockhost, sizeof(source_p->host));
369		}
370
371	<	conf = source_p->localClient->confs.head->data;
371	>	conf = source_p->connection->confs.head->data;
372
373	<	if (!IsGotId(source_p))
373	>	if (!HasFlag(source_p, FLAGS_GOTID))
374		{
375	<	char username[USERLEN + 1];
323	<	const char *p = username;
375	>	char username[USERLEN + 1] = "";
376		unsigned int i = 0;
377
378		if (IsNeedIdentd(conf))
379		{
380		++ServerStats.is_ref;
381	<	sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You need to install "
382	<	"identd to use this server", me.name, source_p->name);
383	<	exit_client(source_p, &me, "Install identd");
381	>	sendto_one_notice(source_p, &me, ":*** Notice -- You need to install "
382	>	"identd to use this server");
383	>	exit_client(source_p, "Install identd");
384		return;
385		}
386
#	Line 337 | Line 389 | register_local_user(struct Client *sourc
389		if (!IsNoTilde(conf))
390		source_p->username[i++] = '~';
391
392	<	for (; *p && i < USERLEN; ++p)
393	<	if (*p != '[')
342	<	source_p->username[i++] = *p;
392	>	for (const char *p = username; *p && i < USERLEN; ++p)
393	>	source_p->username[i++] = *p;
394
395		source_p->username[i] = '\0';
396		}
397
398	<	/* password check */
398	>	/* Password check */
399		if (!EmptyString(conf->passwd))
400		{
401	<	const char *pass = source_p->localClient->passwd;
351	<
352	<	if (!match_conf_password(pass, conf))
401	>	if (!match_conf_password(source_p->connection->password, conf))
402		{
403		++ServerStats.is_ref;
404	<	sendto_one(source_p, form_str(ERR_PASSWDMISMATCH),
405	<	me.name, source_p->name);
406	<	exit_client(source_p, &me, "Bad Password");
404	>
405	>	sendto_one_numeric(source_p, &me, ERR_PASSWDMISMATCH);
406	>	exit_client(source_p, "Bad Password");
407		return;
408		}
409		}
410
411	<	/* don't free source_p->localClient->passwd here - it can be required
412	<	* by masked /stats I if there are auth{} blocks with need_password = no;
411	>	/*
412	>	* Don't free source_p->connection->password here - it can be required
413	>	* by masked /stats I if there are auth {} blocks with need_password = no;
414		* --adx
415		*/
416
417	<	/* report if user has &^>= etc. and set flags as needed in source_p */
417	>	/*
418	>	* Report if user has &^>= etc. and set flags as needed in source_p
419	>	*/
420		report_and_set_user_flags(source_p, conf);
421
422		if (IsDead(source_p))
423		return;
424
425	<	/* Limit clients -
425	>	/*
426	>	* Limit clients -
427		* We want to be able to have servers and F-line clients
428		* connect, so save room for "buffer" connections.
429		* Smaller servers may want to decrease this, and it should
430		* probably be just a percentage of the MAXCLIENTS...
431		*   -Taner
432		*/
433	<	/* Except "F:" clients */
434	<	if ((Count.local >= ServerInfo.max_clients + MAX_BUFFER) ||
382	<	(Count.local >= ServerInfo.max_clients && !IsExemptLimits(source_p)))
433	>	if ((Count.local >= GlobalSetOptions.maxclients + MAX_BUFFER) ||
434	>	(Count.local >= GlobalSetOptions.maxclients && !HasFlag(source_p, FLAGS_NOLIMIT)))
435		{
436		sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
437		"Too many clients, rejecting %s[%s].",
438		source_p->name, source_p->host);
439		++ServerStats.is_ref;
440	<	exit_client(source_p, &me, "Sorry, server is full - try later");
440	>	exit_client(source_p, "Sorry, server is full - try later");
441		return;
442		}
443
444	<	/* valid user name check */
393	<	if (valid_username(source_p->username, 1) == 0)
444	>	if (!valid_username(source_p->username, 1))
445		{
446	<	char tmpstr2[IRCD_BUFSIZE];
446	>	char buf[IRCD_BUFSIZE] = "";
447
448		sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
449		"Invalid username: %s (%s@%s)",
450		source_p->name, source_p->username, source_p->host);
451		++ServerStats.is_ref;
452	<	snprintf(tmpstr2, sizeof(tmpstr2), "Invalid username [%s]",
453	<	source_p->username);
403	<	exit_client(source_p, &me, tmpstr2);
452	>	snprintf(buf, sizeof(buf), "Invalid username [%s]", source_p->username);
453	>	exit_client(source_p, buf);
454		return;
455		}
456
457		if (check_xline(source_p))
458		return;
459
460	<	while (hash_find_id((id = uid_get())) != NULL)
460	>	while (hash_find_id((id = uid_get())))
461		;
462
463		strlcpy(source_p->id, id, sizeof(source_p->id));
#	Line 416 | Line 466 | register_local_user(struct Client *sourc
466		sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
467		"Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>",
468		source_p->name, source_p->username, source_p->host,
469	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
470	<	"255.255.255.255" : source_p->sockhost,
421	<	get_client_class(&source_p->localClient->confs),
469	>	source_p->sockhost,
470	>	get_client_class(&source_p->connection->confs),
471		source_p->info, source_p->id);
472
473	<	sendto_realops_flags(UMODE_CCONN_FULL, L_ALL, SEND_NOTICE,
425	<	"CLICONN %s %s %s %s %s %s %s 0 %s",
426	<	source_p->name, source_p->username, source_p->host,
427	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
428	<	"255.255.255.255" : source_p->sockhost,
429	<	get_client_class(&source_p->localClient->confs),
430	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
431	<	"<hidden>" : source_p->localClient->client_host,
432	<	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
433	<	"<hidden>" : source_p->localClient->client_server,
434	<	source_p->info);
435	<
436	<
437	<	if (ConfigFileEntry.invisible_on_connect)
473	>	if (ConfigGeneral.invisible_on_connect)
474		{
475		AddUMode(source_p, UMODE_INVISIBLE);
476		++Count.invisi;
477		}
478
479	<	if ((++Count.local) > Count.max_loc)
479	>	if (++Count.local > Count.max_loc)
480		{
481		Count.max_loc = Count.local;
482
483		if (!(Count.max_loc % 10))
484	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
485	<	"New Max Local Clients: %d",
484	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
485	>	"New maximum local client connections: %u",
486		Count.max_loc);
487		}
488
453	–	/* Increment our total user count here */
489		if (++Count.total > Count.max_tot)
490		Count.max_tot = Count.total;
491		++Count.totalrestartcount;
#	Line 458 | Line 493 | register_local_user(struct Client *sourc
493		assert(source_p->servptr == &me);
494		SetClient(source_p);
495		dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
496	<
462	<	source_p->localClient->allow_read = MAX_FLOOD_BURST;
496	>	dlinkAdd(source_p, &source_p->node, &global_client_list);
497
498		assert(dlinkFind(&unknown_list, source_p));
499
500	<	dlink_move_node(&source_p->localClient->lclient_node,
500	>	dlink_move_node(&source_p->connection->lclient_node,
501		&unknown_list, &local_client_list);
502
503		user_welcome(source_p);
504		add_user_host(source_p->username, source_p->host, 0);
505	<	SetUserHost(source_p);
505	>	AddFlag(source_p, FLAGS_USERHOST);
506
507		introduce_client(source_p);
508		}
#	Line 479 | Line 513 | register_local_user(struct Client *sourc
513		*              - username to register as
514		*              - host name to register as
515		*              - server name
482	–	*              - realname (gecos)
516		* output       - NONE
517		* side effects - This function is called when a remote client
518		*                is introduced by a server.
519		*/
520		void
521	<	register_remote_user(struct Client *source_p,
489	<	const char *username, const char *host, const char *server,
490	<	const char *realname)
521	>	register_remote_user(struct Client *source_p)
522		{
523	<	struct Client *target_p = NULL;
493	<
494	<	assert(source_p != NULL);
495	<	assert(source_p->username != username);
496	<
497	<	strlcpy(source_p->host, host, sizeof(source_p->host));
498	<	strlcpy(source_p->username, username, sizeof(source_p->username));
499	<
500	<	/*
501	<	* coming from another server, take the servers word for it
502	<	*/
503	<	source_p->servptr = hash_find_server(server);
504	<
505	<	/*
506	<	* Super GhostDetect:
507	<	* If we can't find the server the user is supposed to be on,
508	<	* then simply blow the user away.        -Taner
509	<	*/
510	<	if (source_p->servptr == NULL)
511	<	{
512	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
513	<	"No server %s for user %s[%s@%s] from %s",
514	<	server, source_p->name, source_p->username,
515	<	source_p->host, source_p->from->name);
516	<	kill_client(source_p->from, source_p, "%s (Server doesn't exist)", me.name);
517	<
518	<	AddFlag(source_p, FLAGS_KILLED);
519	<	exit_client(source_p, &me, "Ghosted Client");
520	<	return;
521	<	}
523	>	const struct Client *target_p = NULL;
524
525		if ((target_p = source_p->servptr) && target_p->from != source_p->from)
526		{
#	Line 527 | Line 529 | register_remote_user(struct Client *sour
529		source_p->from->name, source_p->name, source_p->username,
530		source_p->host, source_p->servptr->name,
531		target_p->name, target_p->from->name);
532	<	kill_client(source_p->from, source_p,
533	<	"%s (NICK from wrong direction (%s != %s))",
534	<	me.name, source_p->servptr->name, target_p->from->name);
532	>	sendto_one(source_p->from,
533	>	":%s KILL %s :%s (UID from wrong direction (%s != %s))",
534	>	me.id, source_p->id, me.name, source_p->servptr->name,
535	>	target_p->from->name);
536	>
537		AddFlag(source_p, FLAGS_KILLED);
538	<	exit_client(source_p, &me, "USER server wrong direction");
538	>	exit_client(source_p, "UID server wrong direction");
539		return;
540		}
541
#	Line 542 | Line 546 | register_remote_user(struct Client *sour
546		if (HasFlag(source_p->servptr, FLAGS_SERVICE))
547		AddFlag(source_p, FLAGS_SERVICE);
548
545	–	/* 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	+	dlinkAdd(source_p, &source_p->node, &global_client_list);
555		add_user_host(source_p->username, source_p->host, 1);
556	<	SetUserHost(source_p);
556	>	AddFlag(source_p, FLAGS_USERHOST);
557
558		if (HasFlag(source_p->servptr, FLAGS_EOB))
559		sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
560	<	"Client connecting at %s: %s (%s@%s) [%s] <%s>",
560	>	"Client connecting at %s: %s (%s@%s) [%s] [%s] <%s>",
561		source_p->servptr->name,
562		source_p->name, source_p->username, source_p->host,
563	<	source_p->info, source_p->id);
563	>	source_p->sockhost, source_p->info, source_p->id);
564
565		introduce_client(source_p);
566		}
567
564	–	/* introduce_client()
565	–	*
566	–	* inputs       - source_p
567	–	* output       - NONE
568	–	* side effects - This common function introduces a client to the rest
569	–	*                of the net, either from a local client connect or
570	–	*                from a remote connect.
571	–	*/
572	–	static void
573	–	introduce_client(struct Client *source_p)
574	–	{
575	–	dlink_node *server_node = NULL;
576	–	static char ubuf[12];
577	–
578	–	if (MyClient(source_p))
579	–	send_umode(source_p, source_p, 0, SEND_UMODES, ubuf);
580	–	else
581	–	send_umode(NULL, source_p, 0, SEND_UMODES, ubuf);
582	–
583	–	watch_check_hash(source_p, RPL_LOGON);
584	–
585	–	if (*ubuf == '\0')
586	–	{
587	–	ubuf[0] = '+';
588	–	ubuf[1] = '\0';
589	–	}
590	–
591	–	DLINK_FOREACH(server_node, serv_list.head)
592	–	{
593	–	struct Client *server = server_node->data;
594	–
595	–	if (server == source_p->from)
596	–	continue;
597	–
598	–	if (IsCapable(server, CAP_SVS))
599	–	{
600	–	if (IsCapable(server, CAP_TS6) && HasID(source_p))
601	–	sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s %s :%s",
602	–	source_p->servptr->id,
603	–	source_p->name, source_p->hopcount+1,
604	–	(unsigned long)source_p->tsinfo,
605	–	ubuf, source_p->username, source_p->host,
606	–	(MyClient(source_p) && IsIPSpoof(source_p)) ?
607	–	"0" : source_p->sockhost, source_p->id,
608	–	source_p->svid,
609	–	source_p->info);
610	–	else
611	–	sendto_one(server, "NICK %s %d %lu %s %s %s %s %s :%s",
612	–	source_p->name, source_p->hopcount+1,
613	–	(unsigned long)source_p->tsinfo,
614	–	ubuf, source_p->username, source_p->host,
615	–	source_p->servptr->name, source_p->svid,
616	–	source_p->info);
617	–
618	–	}
619	–	else
620	–	{
621	–	if (IsCapable(server, CAP_TS6) && HasID(source_p))
622	–	sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s :%s",
623	–	source_p->servptr->id,
624	–	source_p->name, source_p->hopcount+1,
625	–	(unsigned long)source_p->tsinfo,
626	–	ubuf, source_p->username, source_p->host,
627	–	(MyClient(source_p) && IsIPSpoof(source_p)) ?
628	–	"0" : source_p->sockhost, source_p->id, source_p->info);
629	–	else
630	–	sendto_one(server, "NICK %s %d %lu %s %s %s %s :%s",
631	–	source_p->name, source_p->hopcount+1,
632	–	(unsigned long)source_p->tsinfo,
633	–	ubuf, source_p->username, source_p->host,
634	–	source_p->servptr->name, source_p->info);
635	–	}
636	–	}
637	–	}
638	–
568		/* valid_hostname()
569		*
570		* Inputs       - pointer to hostname
#	Line 650 | Line 579 | valid_hostname(const char *hostname)
579		{
580		const char *p = hostname;
581
582	<	assert(p != NULL);
582	>	assert(p);
583
584	<	if (*p == '.' || *p == ':')
584	>	if (EmptyString(p) || *p == '.' || *p == ':')
585		return 0;
586
587		for (; *p; ++p)
#	Line 676 | Line 605 | valid_hostname(const char *hostname)
605		int
606		valid_username(const char *username, const int local)
607		{
608	<	int dots      = 0;
608	>	unsigned int dots = 0;
609		const char *p = username;
610
611	<	assert(p != NULL);
611	>	assert(p);
612
613		if (*p == '~')
614		++p;
#	Line 696 | Line 625 | valid_username(const char *username, con
625		{
626		while (*++p)
627		{
628	<	if ((*p == '.') && ConfigFileEntry.dots_in_ident)
628	>	if (*p == '.' && ConfigGeneral.dots_in_ident)
629		{
630	<	if (++dots > ConfigFileEntry.dots_in_ident)
630	>	if (++dots > ConfigGeneral.dots_in_ident)
631		return 0;
632		if (!IsUserChar(*(p + 1)))
633		return 0;
#	Line 714 | Line 643 | valid_username(const char *username, con
643		return 0;
644		}
645
646	<	return  p - username <= USERLEN;;
646	>	return p - username <= USERLEN;
647		}
648
649		/* clean_nick_name()
#	Line 728 | Line 657 | int
657		valid_nickname(const char *nickname, const int local)
658		{
659		const char *p = nickname;
731	–	assert(nickname && *nickname);
660
661	<	/* nicks can't start with a digit or - or be 0 length */
662	<	/* This closer duplicates behaviour of hybrid-6 */
663	<	if (*p == '-' || (IsDigit(*p) && local) || *p == '\0')
661	>	assert(p);
662	>
663	>	/*
664	>	* Nicks can't start with a digit or - or be 0 length.
665	>	*/
666	>	if (EmptyString(p) || *p == '-' || (IsDigit(*p) && local))
667		return 0;
668
669		for (; *p; ++p)
#	Line 742 | Line 673 | valid_nickname(const char *nickname, con
673		return p - nickname <= NICKLEN;
674		}
675
745	–	/* report_and_set_user_flags()
746	–	*
747	–	* inputs       - pointer to source_p
748	–	*              - pointer to conf for this user
749	–	* output       - NONE
750	–	* side effects - Report to user any special flags
751	–	*                they are getting, and set them.
752	–	*/
753	–	static void
754	–	report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
755	–	{
756	–	/* If this user is being spoofed, tell them so */
757	–	if (IsConfDoSpoofIp(conf))
758	–	sendto_one(source_p,
759	–	":%s NOTICE %s :*** Spoofing your IP. Congrats.",
760	–	me.name, source_p->name);
761	–
762	–	/* If this user is in the exception class, Set it "E lined" */
763	–	if (IsConfExemptKline(conf))
764	–	{
765	–	SetExemptKline(source_p);
766	–	sendto_one(source_p,
767	–	":%s NOTICE %s :*** You are exempt from K/D/G lines. Congrats.",
768	–	me.name, source_p->name);
769	–	}
770	–
771	–	/* The else here is to make sure that G line exempt users
772	–	* do not get noticed twice.
773	–	*/
774	–	else if (IsConfExemptGline(conf))
775	–	{
776	–	SetExemptGline(source_p);
777	–	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from G lines. Congrats.",
778	–	me.name, source_p->name);
779	–	}
780	–
781	–	if (IsConfExemptResv(conf))
782	–	{
783	–	SetExemptResv(source_p);
784	–	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from resvs. Congrats.",
785	–	me.name, source_p->name);
786	–	}
787	–
788	–	/* If this user is exempt from user limits set it "F lined" */
789	–	if (IsConfExemptLimits(conf))
790	–	{
791	–	SetExemptLimits(source_p);
792	–	sendto_one(source_p,
793	–	":%s NOTICE %s :*** You are exempt from user limits. Congrats.",
794	–	me.name,source_p->name);
795	–	}
796	–
797	–	if (IsConfCanFlood(conf))
798	–	{
799	–	SetCanFlood(source_p);
800	–	sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from flood "
801	–	"protection, aren't you fearsome.",
802	–	me.name, source_p->name);
803	–	}
804	–	}
805	–
806	–	/* set_user_mode()
807	–	*
808	–	* added 15/10/91 By Darren Reed.
809	–	* parv[0] - sender
810	–	* parv[1] - username to change mode for
811	–	* parv[2] - modes to change
812	–	*/
813	–	void
814	–	set_user_mode(struct Client *client_p, struct Client *source_p,
815	–	const int parc, char *parv[])
816	–	{
817	–	unsigned int flag, setflags;
818	–	char **p, *m, buf[IRCD_BUFSIZE];
819	–	struct Client *target_p;
820	–	int what = MODE_ADD, badflag = 0, i;
821	–
822	–	assert(!(parc < 2));
823	–
824	–	if ((target_p = find_person(client_p, parv[1])) == NULL)
825	–	{
826	–	if (MyConnect(source_p))
827	–	sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
828	–	me.name, source_p->name, parv[1]);
829	–	return;
830	–	}
831	–
832	–	if (source_p != target_p)
833	–	{
834	–	sendto_one(source_p, form_str(ERR_USERSDONTMATCH),
835	–	me.name, source_p->name);
836	–	return;
837	–	}
838	–
839	–	if (parc < 3)
840	–	{
841	–	m = buf;
842	–	*m++ = '+';
843	–
844	–	for (i = 0; i < 128; i++)
845	–	if (HasUMode(source_p, user_modes[i]))
846	–	*m++ = (char)i;
847	–	*m = '\0';
848	–
849	–	sendto_one(source_p, form_str(RPL_UMODEIS),
850	–	me.name, source_p->name, buf);
851	–	return;
852	–	}
853	–
854	–	/* find flags already set for user */
855	–	setflags = source_p->umodes;
856	–
857	–	/* parse mode change string(s) */
858	–	for (p = &parv[2]; p && *p; p++)
859	–	{
860	–	for (m = *p; *m; m++)
861	–	{
862	–	switch (*m)
863	–	{
864	–	case '+':
865	–	what = MODE_ADD;
866	–	break;
867	–	case '-':
868	–	what = MODE_DEL;
869	–	break;
870	–	case 'o':
871	–	if (what == MODE_ADD)
872	–	{
873	–	if (IsServer(client_p) && !HasUMode(source_p, UMODE_OPER))
874	–	{
875	–	++Count.oper;
876	–	SetOper(source_p);
877	–	}
878	–	}
879	–	else
880	–	{
881	–	/* Only decrement the oper counts if an oper to begin with
882	–	* found by Pat Szuta, Perly , perly@xnet.com
883	–	*/
884	–	if (!HasUMode(source_p, UMODE_OPER))
885	–	break;
886	–
887	–	ClearOper(source_p);
888	–	Count.oper--;
889	–
890	–	if (MyConnect(source_p))
891	–	{
892	–	dlink_node *dm;
893	–
894	–	detach_conf(source_p, CONF_OPER);
895	–	ClrOFlag(source_p);
896	–	DelUMode(source_p, ConfigFileEntry.oper_only_umodes);
897	–
898	–	if ((dm = dlinkFindDelete(&oper_list, source_p)) != NULL)
899	–	free_dlink_node(dm);
900	–	}
901	–	}
902	–
903	–	break;
904	–
905	–	case 'r':  /* Only services may set +r */
906	–	break;
907	–
908	–	default:
909	–	if ((flag = user_modes[(unsigned char)*m]))
910	–	{
911	–	if (MyConnect(source_p) && !HasUMode(source_p, UMODE_OPER) &&
912	–	(ConfigFileEntry.oper_only_umodes & flag))
913	–	badflag = 1;
914	–	else
915	–	{
916	–	if (what == MODE_ADD)
917	–	AddUMode(source_p, flag);
918	–	else
919	–	DelUMode(source_p, flag);
920	–	}
921	–	}
922	–	else
923	–	{
924	–	if (MyConnect(source_p))
925	–	badflag = 1;
926	–	}
927	–
928	–	break;
929	–	}
930	–	}
931	–	}
932	–
933	–	if (badflag)
934	–	sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG),
935	–	me.name, source_p->name);
936	–
937	–	if (MyConnect(source_p) && HasUMode(source_p, UMODE_ADMIN) &&
938	–	!HasOFlag(source_p, OPER_FLAG_ADMIN))
939	–	{
940	–	sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;",
941	–	me.name, source_p->name);
942	–	DelUMode(source_p, UMODE_ADMIN);
943	–	}
944	–
945	–	if (!(setflags & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
946	–	++Count.invisi;
947	–	if ((setflags & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE))
948	–	--Count.invisi;
949	–
950	–	/*
951	–	* compare new flags with old flags and send string which
952	–	* will cause servers to update correctly.
953	–	*/
954	–	send_umode_out(client_p, source_p, setflags);
955	–	}
956	–
676		/* send_umode()
677		* send the MODE string for user (user) to connection client_p
678		* -avalon
#	Line 961 | Line 680 | set_user_mode(struct Client *client_p, s
680		* inputs       - client_p
681		*              - source_p
682		*              - int old
964	–	*              - sendmask mask of modes to send
683		*              - suplied umode_buf
684		* output       - NONE
685		*/
686		void
687		send_umode(struct Client *client_p, struct Client *source_p,
688	<	unsigned int old, unsigned int sendmask, char *umode_buf)
688	>	unsigned int old, char *umode_buf)
689		{
690		char *m = umode_buf;
691		int what = 0;
974	–	unsigned int i;
975	–	unsigned int flag;
692
693		/*
694	<	* build a string in umode_buf to represent the change in the user's
694	>	* Build a string in umode_buf to represent the change in the user's
695		* mode between the new (source_p->umodes) and 'old'.
696		*/
697	<	for (i = 0; i < 128; i++)
697	>	for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
698		{
699	<	flag = user_modes[i];
984	<	if (!flag)
985	<	continue;
986	<
987	<	if (MyClient(source_p) && !(flag & sendmask))
988	<	continue;
989	<
990	<	if ((flag & old) && !HasUMode(source_p, flag))
699	>	if ((tab->flag & old) && !HasUMode(source_p, tab->flag))
700		{
701		if (what == MODE_DEL)
702	<	*m++ = (char)i;
702	>	*m++ = tab->c;
703		else
704		{
705		what = MODE_DEL;
706		*m++ = '-';
707	<	*m++ = (char)i;
707	>	*m++ = tab->c;
708		}
709		}
710	<	else if (!(flag & old) && HasUMode(source_p, flag))
710	>	else if (!(tab->flag & old) && HasUMode(source_p, tab->flag))
711		{
712		if (what == MODE_ADD)
713	<	*m++ = (char)i;
713	>	*m++ = tab->c;
714		else
715		{
716		what = MODE_ADD;
717		*m++ = '+';
718	<	*m++ = (char)i;
718	>	*m++ = tab->c;
719		}
720		}
721		}
#	Line 1015 | Line 724 | send_umode(struct Client *client_p, stru
724
725		if (*umode_buf && client_p)
726		sendto_one(client_p, ":%s!%s@%s MODE %s :%s",
727	<	source_p->name, source_p->username,
728	<	source_p->host, source_p->name, umode_buf);
727	>	client_p->name, client_p->username,
728	>	client_p->host, client_p->name, umode_buf);
729		}
730
731		/* send_umode_out()
#	Line 1026 | Line 735 | send_umode(struct Client *client_p, stru
735		* side effects - Only send ubuf out to servers that know about this client
736		*/
737		void
738	<	send_umode_out(struct Client *client_p, struct Client *source_p,
1030	<	unsigned int old)
738	>	send_umode_out(struct Client *source_p, unsigned int old)
739		{
740	<	char buf[IRCD_BUFSIZE] = { '\0' };
1033	<	dlink_node *ptr = NULL;
740	>	char buf[IRCD_BUFSIZE] = "";
741
742	<	send_umode(NULL, source_p, old, SEND_UMODES, buf);
742	>	send_umode(MyClient(source_p) ? source_p : NULL, source_p, old, buf);
743
744		if (buf[0])
745	<	{
746	<	DLINK_FOREACH(ptr, serv_list.head)
1040	<	{
1041	<	struct Client *target_p = ptr->data;
1042	<
1043	<	if ((target_p != client_p) && (target_p != source_p))
1044	<	sendto_one(target_p, ":%s MODE %s :%s",
1045	<	ID_or_name(source_p, target_p),
1046	<	ID_or_name(source_p, target_p), buf);
1047	<	}
1048	<	}
1049	<
1050	<	if (client_p && MyClient(client_p))
1051	<	send_umode(client_p, source_p, old, 0xffffffff, buf);
745	>	sendto_server(source_p, 0, 0, ":%s MODE %s :%s",
746	>	source_p->id, source_p->id, buf);
747		}
748
749		void
750	<	user_set_hostmask(struct Client *target_p, const char *hostname)
750	>	user_set_hostmask(struct Client *target_p, const char *hostname, const int what)
751		{
752	<	if (!valid_hostname(hostname))
752	>	dlink_node *node = NULL;
753	>
754	>	if (!strcmp(target_p->host, hostname))
755		return;
756
757	<	if (IsUserHostIp(target_p))
757	>	switch (what)
758	>	{
759	>	case MODE_ADD:
760	>	AddUMode(target_p, UMODE_HIDDENHOST);
761	>	break;
762	>	case MODE_DEL:
763	>	DelUMode(target_p, UMODE_HIDDENHOST);
764	>	break;
765	>	default: return;
766	>	}
767	>
768	>	if (ConfigGeneral.cycle_on_host_change)
769	>	sendto_common_channels_local(target_p, 0, 0, ":%s!%s@%s QUIT :Changing hostname",
770	>	target_p->name, target_p->username, target_p->host);
771	>
772	>	if (HasFlag(target_p, FLAGS_USERHOST))
773		delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));
774
775		strlcpy(target_p->host, hostname, sizeof(target_p->host));
1064	–	SetIPSpoof(target_p);
776
777		add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
778	<	SetUserHost(target_p);
778	>	AddFlag(target_p, FLAGS_USERHOST);
779
780		if (MyClient(target_p))
781	+	{
782	+	sendto_one_numeric(target_p, &me, RPL_VISIBLEHOST, target_p->host);
783		clear_ban_cache_client(target_p);
784	<	}
784	>	}
785
786	<	/* user_welcome()
787	<	*
1075	<	* inputs       - client pointer to client to welcome
1076	<	* output       - NONE
1077	<	* side effects -
1078	<	*/
1079	<	static void
1080	<	user_welcome(struct Client *source_p)
1081	<	{
1082	<	#if defined(__TIME__) && defined(__DATE__)
1083	<	static const char built_date[] = __DATE__ " at " __TIME__;
1084	<	#else
1085	<	static const char built_date[] = "unknown";
1086	<	#endif
786	>	if (!ConfigGeneral.cycle_on_host_change)
787	>	return;
788
789	<	#ifdef HAVE_LIBCRYPTO
790	<	if (source_p->localClient->fd.ssl != NULL)
791	<	sendto_one(source_p, ":%s NOTICE %s :*** Connected securely via %s",
792	<	me.name, source_p->name,
793	<	ssl_get_cipher(source_p->localClient->fd.ssl));
794	<	#endif
789	>	DLINK_FOREACH(node, target_p->channel.head)
790	>	{
791	>	char modebuf[4], nickbuf[NICKLEN * 3 + 3] = "";
792	>	char *p = modebuf;
793	>	int len = 0;
794	>	const struct Membership *member = node->data;
795
796	<	sendto_one(source_p, form_str(RPL_WELCOME), me.name, source_p->name,
797	<	ServerInfo.network_name, source_p->name);
798	<	sendto_one(source_p, form_str(RPL_YOURHOST), me.name, source_p->name,
799	<	get_listener_name(source_p->localClient->listener), ircd_version);
800	<	sendto_one(source_p, form_str(RPL_CREATED),
1100	<	me.name, source_p->name, built_date);
1101	<	sendto_one(source_p, form_str(RPL_MYINFO),
1102	<	me.name, source_p->name, me.name, ircd_version, umode_buffer);
1103	<	show_isupport(source_p);
1104	<
1105	<	if (source_p->id[0] != '\0')
1106	<	sendto_one(source_p, form_str(RPL_YOURID), me.name,
1107	<	source_p->name, source_p->id);
796	>	if (has_member_flags(member, CHFL_CHANOP))
797	>	{
798	>	*p++ = 'o';
799	>	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
800	>	}
801
802	<	show_lusers(source_p);
802	>	if (has_member_flags(member, CHFL_HALFOP))
803	>	{
804	>	*p++ = 'h';
805	>	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
806	>	}
807
808	<	if (ConfigFileEntry.short_motd)
809	<	{
810	<	sendto_one(source_p, ":%s NOTICE %s :*** Notice -- motd was last changed at %s",
811	<	me.name, source_p->name, ConfigFileEntry.motd.lastChangedDate);
812	<	sendto_one(source_p,
1116	<	":%s NOTICE %s :*** Notice -- Please read the motd if you haven't "
1117	<	"read it", me.name, source_p->name);
1118	<	sendto_one(source_p, form_str(RPL_MOTDSTART),
1119	<	me.name, source_p->name, me.name);
1120	<	sendto_one(source_p, form_str(RPL_MOTD),
1121	<	me.name, source_p->name,
1122	<	"*** This is the short motd ***");
1123	<	sendto_one(source_p, form_str(RPL_ENDOFMOTD),
1124	<	me.name, source_p->name);
1125	<	}
1126	<	else
1127	<	send_message_file(source_p, &ConfigFileEntry.motd);
1128	<	}
808	>	if (has_member_flags(member, CHFL_VOICE))
809	>	{
810	>	*p++ = 'v';
811	>	len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
812	>	}
813
814	<	/* check_xline()
1131	<	*
1132	<	* inputs       - pointer to client to test
1133	<	* outupt       - 1 if exiting 0 if ok
1134	<	* side effects -
1135	<	*/
1136	<	static int
1137	<	check_xline(struct Client *source_p)
1138	<	{
1139	<	struct MaskItem *conf = NULL;
1140	<	const char *reason = NULL;
814	>	*p = '\0';
815
1142	–	if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)))
1143	–	{
1144	–	++conf->count;
816
817	<	if (conf->reason != NULL)
818	<	reason = conf->reason;
819	<	else
820	<	reason = "No Reason";
817	>	sendto_channel_local_butone(target_p, CAP_EXTENDED_JOIN, 0, member->chptr, ":%s!%s@%s JOIN %s %s :%s",
818	>	target_p->name, target_p->username,
819	>	target_p->host, member->chptr->name,
820	>	(!IsDigit(target_p->account[0]) && target_p->account[0] != '*') ? target_p->account : "*",
821	>	target_p->info);
822	>	sendto_channel_local_butone(target_p, 0, CAP_EXTENDED_JOIN, member->chptr, ":%s!%s@%s JOIN :%s",
823	>	target_p->name, target_p->username,
824	>	target_p->host, member->chptr->name);
825
826	<	sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
827	<	"X-line Rejecting [%s] [%s], user %s [%s]",
828	<	source_p->info, reason,
829	<	get_client_name(source_p, HIDE_IP),
1155	<	source_p->sockhost);
826	>	if (nickbuf[0])
827	>	sendto_channel_local_butone(target_p, 0, 0, member->chptr, ":%s MODE %s +%s %s",
828	>	target_p->servptr->name, member->chptr->name,
829	>	modebuf, nickbuf);
830
1157	–	++ServerStats.is_ref;
1158	–	exit_client(source_p, &me, "Bad user info");
1159	–	return 1;
831		}
832
833	<	return 0;
833	>	if (target_p->away[0])
834	>	sendto_common_channels_local(target_p, 0, CAP_AWAY_NOTIFY,
835	>	":%s!%s@%s AWAY :%s",
836	>	target_p->name, target_p->username,
837	>	target_p->host, target_p->away);
838		}
839
840	<	/* oper_up()
841	<	*
842	<	* inputs       - pointer to given client to oper
1168	<	* output       - NONE
1169	<	* side effects - Blindly opers up given source_p, using conf info
1170	<	*                all checks on passwords have already been done.
1171	<	*                This could also be used by rsa oper routines.
840	>	/*! \brief Blindly opers up given source_p, using conf info.
841	>	*         All checks on passwords have already been done.
842	>	* \param source_p Pointer to given client to oper
843		*/
844		void
845	<	oper_up(struct Client *source_p)
845	>	user_oper_up(struct Client *source_p)
846		{
847		const unsigned int old = source_p->umodes;
848	<	const struct MaskItem *conf = source_p->localClient->confs.head->data;
1178	<
1179	<	assert(source_p->localClient->confs.head);
848	>	const struct MaskItem *const conf = source_p->connection->confs.head->data;
849
850		++Count.oper;
851		SetOper(source_p);
852
853		if (conf->modes)
854		AddUMode(source_p, conf->modes);
855	<	else if (ConfigFileEntry.oper_umodes)
856	<	AddUMode(source_p, ConfigFileEntry.oper_umodes);
855	>	else if (ConfigGeneral.oper_umodes)
856	>	AddUMode(source_p, ConfigGeneral.oper_umodes);
857
858		if (!(old & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
859		++Count.invisi;
#	Line 1199 | Line 868 | oper_up(struct Client *source_p)
868		if (HasOFlag(source_p, OPER_FLAG_ADMIN))
869		AddUMode(source_p, UMODE_ADMIN);
870
871	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, "%s is now an operator",
1203	<	get_oper_name(source_p));
1204	<	send_umode_out(source_p, source_p, old);
1205	<	sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name);
1206	<	}
1207	<
1208	<	static char new_uid[TOTALSIDUID + 1];     /* allow for \0 */
1209	<
1210	<	int
1211	<	valid_sid(const char *sid)
1212	<	{
1213	<	if (strlen(sid) == IRC_MAXSID)
1214	<	if (IsDigit(*sid))
1215	<	if (IsAlNum(*(sid + 1)) && IsAlNum(*(sid + 2)))
1216	<	return 1;
1217	<
1218	<	return 0;
1219	<	}
1220	<
1221	<	/*
1222	<	* init_uid()
1223	<	*
1224	<	* inputs       - NONE
1225	<	* output       - NONE
1226	<	* side effects - new_uid is filled in with server id portion (sid)
1227	<	*                (first 3 bytes) or defaulted to 'A'.
1228	<	*                Rest is filled in with 'A'
1229	<	*/
1230	<	void
1231	<	init_uid(void)
1232	<	{
1233	<	unsigned int i;
1234	<
1235	<	memset(new_uid, 0, sizeof(new_uid));
1236	<
1237	<	if (!EmptyString(ServerInfo.sid))
1238	<	strlcpy(new_uid, ServerInfo.sid, sizeof(new_uid));
1239	<
1240	<	for (i = 0; i < IRC_MAXSID; ++i)
1241	<	if (new_uid[i] == '\0')
1242	<	new_uid[i] = 'A';
1243	<
1244	<	/* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1245	<	/* Yes nenolod, I have known it was off by one ever since I wrote it
1246	<	* But *JUST* for you, though, it really doesn't look as *pretty*
1247	<	* -Dianora
1248	<	*/
1249	<	memcpy(new_uid + IRC_MAXSID, "AAAAA@", IRC_MAXUID);
1250	<	}
1251	<
1252	<	/*
1253	<	* add_one_to_uid
1254	<	*
1255	<	* inputs       - index number into new_uid
1256	<	* output       - NONE
1257	<	* side effects - new_uid is incremented by one
1258	<	*                note this is a recursive function
1259	<	*/
1260	<	static void
1261	<	add_one_to_uid(int i)
1262	<	{
1263	<	if (i != IRC_MAXSID)    /* Not reached server SID portion yet? */
1264	<	{
1265	<	if (new_uid[i] == 'Z')
1266	<	new_uid[i] = '0';
1267	<	else if (new_uid[i] == '9')
1268	<	{
1269	<	new_uid[i] = 'A';
1270	<	add_one_to_uid(i-1);
1271	<	}
1272	<	else
1273	<	++new_uid[i];
1274	<	}
1275	<	else
1276	<	{
1277	<	/* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1278	<	if (new_uid[i] == 'Z')
1279	<	memcpy(new_uid + IRC_MAXSID, "AAAAAA", IRC_MAXUID);
1280	<	else
1281	<	++new_uid[i];
1282	<	}
1283	<	}
1284	<
1285	<	/*
1286	<	* uid_get
1287	<	*
1288	<	* inputs       - struct Client *
1289	<	* output       - new UID is returned to caller
1290	<	* side effects - new_uid is incremented by one.
1291	<	*/
1292	<	static const char *
1293	<	uid_get(void)
1294	<	{
1295	<	add_one_to_uid(TOTALSIDUID - 1);    /* index from 0 */
1296	<	return new_uid;
1297	<	}
1298	<
1299	<	/*
1300	<	* init_isupport()
1301	<	*
1302	<	* input        - NONE
1303	<	* output       - NONE
1304	<	* side effects - Must be called before isupport is enabled
1305	<	*/
1306	<	void
1307	<	init_isupport(void)
1308	<	{
1309	<	isupportFile = init_MessageLine();
1310	<
1311	<	add_isupport("CALLERID", NULL, -1);
1312	<	add_isupport("CASEMAPPING", CASEMAP, -1);
1313	<	add_isupport("DEAF", "D", -1);
1314	<	add_isupport("KICKLEN", NULL, KICKLEN);
1315	<	add_isupport("MODES", NULL, MAXMODEPARAMS);
1316	<	#ifdef HALFOPS
1317	<	add_isupport("PREFIX", "(ohv)@%+", -1);
1318	<	add_isupport("STATUSMSG", "@%+", -1);
1319	<	#else
1320	<	add_isupport("PREFIX", "(ov)@+", -1);
1321	<	add_isupport("STATUSMSG", "@+", -1);
1322	<	#endif
1323	<	}
1324	<
1325	<	/*
1326	<	* add_isupport()
1327	<	*
1328	<	* input        - name of supported function
1329	<	*              - options if any
1330	<	*              - number if any
1331	<	* output       - NONE
1332	<	* side effects - Each supported item must call this when activated
1333	<	*/
1334	<	void
1335	<	add_isupport(const char *name, const char *options, int n)
1336	<	{
1337	<	dlink_node *ptr;
1338	<	struct Isupport *support;
1339	<
1340	<	DLINK_FOREACH(ptr, support_list.head)
1341	<	{
1342	<	support = ptr->data;
1343	<	if (irccmp(support->name, name) == 0)
1344	<	{
1345	<	MyFree(support->name);
1346	<	MyFree(support->options);
1347	<	break;
1348	<	}
1349	<	}
1350	<
1351	<	if (ptr == NULL)
1352	<	{
1353	<	support = MyMalloc(sizeof(*support));
1354	<	dlinkAddTail(support, &support->node, &support_list);
1355	<	}
1356	<
1357	<	support->name = xstrdup(name);
1358	<	if (options != NULL)
1359	<	support->options = xstrdup(options);
1360	<	support->number = n;
1361	<
1362	<	rebuild_isupport_message_line();
1363	<	}
1364	<
1365	<	/*
1366	<	* delete_isupport()
1367	<	*
1368	<	* input        - name of supported function
1369	<	* output       - NONE
1370	<	* side effects - Each supported item must call this when deactivated
1371	<	*/
1372	<	void
1373	<	delete_isupport(const char *name)
1374	<	{
1375	<	dlink_node *ptr;
1376	<	struct Isupport *support;
1377	<
1378	<	DLINK_FOREACH(ptr, support_list.head)
1379	<	{
1380	<	support = ptr->data;
1381	<	if (irccmp(support->name, name) == 0)
1382	<	{
1383	<	dlinkDelete(ptr, &support_list);
1384	<	MyFree(support->name);
1385	<	MyFree(support->options);
1386	<	MyFree(support);
1387	<	break;
1388	<	}
1389	<	}
1390	<
1391	<	rebuild_isupport_message_line();
1392	<	}
1393	<
1394	<	/*
1395	<	* rebuild_isupport_message_line
1396	<	*
1397	<	* input        - NONE
1398	<	* output       - NONE
1399	<	* side effects - Destroy the isupport MessageFile lines, and rebuild.
1400	<	*/
1401	<	void
1402	<	rebuild_isupport_message_line(void)
1403	<	{
1404	<	char isupportbuffer[IRCD_BUFSIZE];
1405	<	char *p = isupportbuffer;
1406	<	dlink_node *ptr = NULL;
1407	<	int n = 0;
1408	<	int tokens = 0;
1409	<	size_t len = 0;
1410	<	size_t reserve = strlen(me.name) + HOSTLEN + strlen(form_str(RPL_ISUPPORT));
1411	<
1412	<	destroy_MessageLine(isupportFile);
1413	<
1414	<	DLINK_FOREACH(ptr, support_list.head)
871	>	if (!EmptyString(conf->whois))
872		{
873	<	struct Isupport *support = ptr->data;
874	<
875	<	p += (n = sprintf(p, "%s", support->name));
876	<	len += n;
1420	<
1421	<	if (support->options != NULL)
1422	<	{
1423	<	p += (n = sprintf(p, "=%s", support->options));
1424	<	len += n;
1425	<	}
1426	<
1427	<	if (support->number > 0)
1428	<	{
1429	<	p += (n = sprintf(p, "=%d", support->number));
1430	<	len += n;
1431	<	}
1432	<
1433	<	*p++ = ' ';
1434	<	len++;
1435	<	*p = '\0';
1436	<
1437	<	if (++tokens == (MAXPARA-2) || len >= (sizeof(isupportbuffer)-reserve))
1438	<	{ /* arbritrary for now */
1439	<	if (*--p == ' ')
1440	<	*p = '\0';
1441	<
1442	<	addto_MessageLine(isupportFile, isupportbuffer);
1443	<	p = isupportbuffer;
1444	<	len = 0;
1445	<	n = tokens = 0;
1446	<	}
873	>	client_attach_svstag(source_p, RPL_WHOISOPERATOR, "+", conf->whois);
874	>	sendto_server(source_p, 0, 0, ":%s SVSTAG %s %lu %u + :%s",
875	>	me.id, source_p->id, (unsigned long)source_p->tsinfo,
876	>	RPL_WHOISOPERATOR, conf->whois);
877		}
878
879	<	if (len != 0)
880	<	{
881	<	if (*--p == ' ')
882	<	*p = '\0';
883	<	addto_MessageLine(isupportFile, isupportbuffer);
884	<	}
879	>	sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE, "%s is now an operator",
880	>	get_oper_name(source_p));
881	>	sendto_server(NULL, 0, 0, ":%s GLOBOPS :%s is now an operator",
882	>	me.id, get_oper_name(source_p));
883	>	send_umode_out(source_p, old);
884	>	sendto_one_numeric(source_p, &me, RPL_YOUREOPER);
885		}

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