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root/svn/ircd-hybrid/trunk/src/user.c
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Comparing:
ircd-hybrid-7.3/src/s_user.c (file contents), Revision 1125 by michael, Sun Feb 20 13:44:39 2011 UTC vs.
ircd-hybrid/trunk/src/user.c (file contents), Revision 7113 by michael, Sat Jan 23 20:31:25 2016 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) 1997-2016 ircd-hybrid development team
5   *
6   *  This program is free software; you can redistribute it and/or modify
7   *  it under the terms of the GNU General Public License as published by
# Line 16 | Line 15
15   *
16   *  You should have received a copy of the GNU General Public License
17   *  along with this program; if not, write to the Free Software
18 < *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
18 > *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19   *  USA
20 < *
21 < *  $Id$
20 > */
21 >
22 > /*! \file user.c
23 > * \brief User related functions.
24 > * \version $Id$
25   */
26  
27   #include "stdinc.h"
28   #include "list.h"
29 < #include "s_user.h"
28 < #include "s_misc.h"
29 > #include "user.h"
30   #include "channel.h"
31   #include "channel_mode.h"
32   #include "client.h"
32 #include "common.h"
33 #include "fdlist.h"
33   #include "hash.h"
34 + #include "id.h"
35   #include "irc_string.h"
36 #include "sprintf_irc.h"
37 #include "s_bsd.h"
36   #include "ircd.h"
37   #include "listener.h"
38   #include "motd.h"
39   #include "numeric.h"
40 < #include "s_conf.h"
41 < #include "s_log.h"
42 < #include "s_serv.h"
40 > #include "conf.h"
41 > #include "log.h"
42 > #include "server.h"
43   #include "send.h"
46 #include "supported.h"
47 #include "whowas.h"
44   #include "memory.h"
45   #include "packet.h"
46   #include "rng_mt.h"
47   #include "userhost.h"
48 < #include "hook.h"
49 < #include "s_misc.h"
54 < #include "msg.h"
48 > #include "misc.h"
49 > #include "parse.h"
50   #include "watch.h"
51 <
52 < unsigned int MaxClientCount     = 1;
58 < unsigned int MaxConnectionCount = 1;
59 < struct Callback *entering_umode_cb = NULL;
60 < struct Callback *umode_cb = NULL;
51 > #include "isupport.h"
52 > #include "tls.h"
53  
54   static char umode_buffer[IRCD_BUFSIZE];
55  
56 < static void user_welcome(struct Client *);
57 < static void report_and_set_user_flags(struct Client *, const struct AccessItem *);
66 < static int check_xline(struct Client *);
67 < static void introduce_client(struct Client *);
68 < static const char *uid_get(void);
69 <
70 < /* Used for building up the isupport string,
71 < * used with init_isupport, add_isupport, delete_isupport
72 < */
73 <
74 < struct Isupport
56 > const struct user_modes *umode_map[256];
57 > const struct user_modes  umode_tab[] =
58   {
59 <  dlink_node node;
60 <  char *name;
61 <  char *options;
62 <  int number;
63 < };
64 <
65 < static dlink_list support_list = { NULL, NULL, 0 };
66 < MessageFile *isupportFile;
67 <
68 < /* memory is cheap. map 0-255 to equivalent mode */
69 < unsigned int user_modes[256] =
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 <  UMODE_CCONN_FULL,   /* C */
79 <  UMODE_DEAF,         /* D */
80 <  0,                  /* E */
81 <  0,                  /* F */
82 <  UMODE_SOFTCALLERID, /* G */
83 <  0,                  /* H */
84 <  0,                  /* I */
85 <  0,                  /* J */
86 <  0,                  /* K */
87 <  0,                  /* L */
105 <  0,                  /* M */
106 <  0,                  /* N */
107 <  0,                  /* O */
108 <  0,                  /* P */
109 <  0,                  /* Q */
110 <  0,                  /* R */
111 <  0,                  /* S */
112 <  0,                  /* T */
113 <  0,                  /* U */
114 <  0,                  /* V */
115 <  0,                  /* W */
116 <  0,                  /* X */
117 <  0,                  /* Y */
118 <  0,                  /* Z 0x5A */
119 <  0, 0, 0, 0, 0,      /* 0x5F   */
120 <  0,                  /* 0x60   */
121 <  UMODE_ADMIN,        /* a */
122 <  UMODE_BOTS,         /* b */
123 <  UMODE_CCONN,        /* c */
124 <  UMODE_DEBUG,        /* d */
125 <  0,                  /* e */
126 <  UMODE_FULL,         /* f */
127 <  UMODE_CALLERID,     /* g */
128 <  0,                  /* h */
129 <  UMODE_INVISIBLE,    /* i */
130 <  0,                  /* j */
131 <  UMODE_SKILL,        /* k */
132 <  UMODE_LOCOPS,       /* l */
133 <  0,                  /* m */
134 <  UMODE_NCHANGE,      /* n */
135 <  UMODE_OPER,         /* o */
136 <  0,                  /* p */
137 <  0,                  /* q */
138 <  UMODE_REJ,          /* r */
139 <  UMODE_SERVNOTICE,   /* s */
140 <  0,                  /* t */
141 <  UMODE_UNAUTH,       /* u */
142 <  0,                  /* v */
143 <  UMODE_WALLOP,       /* w */
144 <  UMODE_EXTERNAL,     /* x */
145 <  UMODE_SPY,          /* y */
146 <  UMODE_OPERWALL,     /* z      0x7A */
147 <  0,0,0,0,0,          /* 0x7B - 0x7F */
148 <
149 <  /* 0x80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x8F */
150 <  /* 0x90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x9F */
151 <  /* 0xA0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xAF */
152 <  /* 0xB0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xBF */
153 <  /* 0xC0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xCF */
154 <  /* 0xD0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xDF */
155 <  /* 0xE0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xEF */
156 <  /* 0xF0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0  /* 0xFF */
59 >  { 'D', UMODE_DEAF         },
60 >  { 'F', UMODE_FARCONNECT   },
61 >  { 'G', UMODE_SOFTCALLERID },
62 >  { 'H', UMODE_HIDDEN       },
63 >  { 'R', UMODE_REGONLY      },
64 >  { 'S', UMODE_SSL          },
65 >  { 'W', UMODE_WEBIRC       },
66 >  { 'a', UMODE_ADMIN        },
67 >  { 'b', UMODE_BOTS         },
68 >  { 'c', UMODE_CCONN        },
69 >  { 'd', UMODE_DEBUG        },
70 >  { 'e', UMODE_EXTERNAL     },
71 >  { 'f', UMODE_FULL         },
72 >  { 'g', UMODE_CALLERID     },
73 >  { 'i', UMODE_INVISIBLE    },
74 >  { 'j', UMODE_REJ          },
75 >  { 'k', UMODE_SKILL        },
76 >  { 'l', UMODE_LOCOPS       },
77 >  { 'n', UMODE_NCHANGE      },
78 >  { 'o', UMODE_OPER         },
79 >  { 'p', UMODE_HIDECHANS    },
80 >  { 'q', UMODE_HIDEIDLE     },
81 >  { 'r', UMODE_REGISTERED   },
82 >  { 's', UMODE_SERVNOTICE   },
83 >  { 'u', UMODE_UNAUTH       },
84 >  { 'w', UMODE_WALLOP       },
85 >  { 'x', UMODE_HIDDENHOST   },
86 >  { 'y', UMODE_SPY          },
87 >  { '\0', 0 }
88   };
89  
90   void
91 < assemble_umode_buffer(void)
91 > user_modes_init(void)
92   {
162  unsigned int idx = 0;
93    char *umode_buffer_ptr = umode_buffer;
94  
95 <  for (; idx < (sizeof(user_modes) / sizeof(user_modes[0])); ++idx)
96 <    if (user_modes[idx])
97 <      *umode_buffer_ptr++ = idx;
95 >  for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
96 >  {
97 >    umode_map[tab->c] = tab;
98 >    *umode_buffer_ptr++ = tab->c;
99 >  }
100  
101    *umode_buffer_ptr = '\0';
102   }
# Line 176 | Line 108 | assemble_umode_buffer(void)
108   * side effects - display to client user counts etc.
109   */
110   void
111 < show_lusers(struct Client *source_p)
111 > show_lusers(struct Client *source_p)
112   {
113 <  const char *from, *to;
113 >  if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
114 >    sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total - Count.invisi),
115 >                       Count.invisi, dlink_list_length(&global_server_list));
116 >  else
117 >    sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total - Count.invisi),
118 >                       Count.invisi, 1);
119 >
120 >  if (Count.oper)
121 >    sendto_one_numeric(source_p, &me, RPL_LUSEROP, Count.oper);
122 >
123 >  if (dlink_list_length(&unknown_list))
124 >    sendto_one_numeric(source_p, &me, RPL_LUSERUNKNOWN, dlink_list_length(&unknown_list));
125  
126 <  if (!MyConnect(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
126 >  if (dlink_list_length(&channel_list))
127 >    sendto_one_numeric(source_p, &me, RPL_LUSERCHANNELS, dlink_list_length(&channel_list));
128 >
129 >  if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
130    {
131 <    from = me.id;
132 <    to = source_p->id;
131 >    sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.local, Count.myserver);
132 >    sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.local, Count.max_loc);
133    }
134    else
135    {
136 <    from = me.name;
137 <    to = source_p->name;
136 >    sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.total, 0);
137 >    sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.total, Count.max_tot);
138    }
139  
140 <  if (!ConfigServerHide.hide_servers || IsOper(source_p))
141 <    sendto_one(source_p, form_str(RPL_LUSERCLIENT),
142 <               from, to, (Count.total-Count.invisi),
143 <               Count.invisi, dlink_list_length(&global_serv_list));
144 <  else
145 <    sendto_one(source_p, form_str(RPL_LUSERCLIENT), from, to,
146 <               (Count.total-Count.invisi), Count.invisi, 1);
140 >  sendto_one_numeric(source_p, &me, RPL_GLOBALUSERS, Count.total, Count.max_tot);
141 >
142 >  if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
143 >    sendto_one_numeric(source_p, &me, RPL_STATSCONN, Count.max_loc_con,
144 >                       Count.max_loc_cli, Count.totalrestartcount);
145 >
146 >  if (Count.local > Count.max_loc_cli)
147 >    Count.max_loc_cli = Count.local;
148 >
149 >  if ((Count.local + Count.myserver) > Count.max_loc_con)
150 >    Count.max_loc_con = Count.local + Count.myserver;
151 > }
152 >
153 > /* report_and_set_user_flags()
154 > *
155 > * inputs       - pointer to source_p
156 > *              - pointer to conf for this user
157 > * output       - NONE
158 > * side effects - Report to user any special flags
159 > *                they are getting, and set them.
160 > */
161 > static void
162 > report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
163 > {
164 >  /* If this user is being spoofed, tell them so */
165 >  if (IsConfDoSpoofIp(conf))
166 >    sendto_one_notice(source_p, &me, ":*** Spoofing your IP");
167 >
168 >  /* If this user is in the exception class, set it "E lined" */
169 >  if (IsConfExemptKline(conf))
170 >  {
171 >    AddFlag(source_p, FLAGS_EXEMPTKLINE);
172 >    sendto_one_notice(source_p, &me, ":*** You are exempt from K/D lines");
173 >  }
174  
175 <  if (Count.oper > 0)
176 <    sendto_one(source_p, form_str(RPL_LUSEROP),
177 <               from, to, Count.oper);
178 <
206 <  if (dlink_list_length(&unknown_list) > 0)
207 <    sendto_one(source_p, form_str(RPL_LUSERUNKNOWN),
208 <               from, to, dlink_list_length(&unknown_list));
209 <
210 <  if (dlink_list_length(&global_channel_list) > 0)
211 <    sendto_one(source_p, form_str(RPL_LUSERCHANNELS),
212 <               from, to, dlink_list_length(&global_channel_list));
213 <
214 <  if (!ConfigServerHide.hide_servers || IsOper(source_p))
215 <  {
216 <    sendto_one(source_p, form_str(RPL_LUSERME),
217 <               from, to, Count.local, Count.myserver);
218 <    sendto_one(source_p, form_str(RPL_LOCALUSERS),
219 <               from, to, Count.local, Count.max_loc,
220 <               Count.local, Count.max_loc);
175 >  if (IsConfExemptXline(conf))
176 >  {
177 >    AddFlag(source_p, FLAGS_EXEMPTXLINE);
178 >    sendto_one_notice(source_p, &me, ":*** You are exempt from X lines");
179    }
180 +
181 +  if (IsConfExemptResv(conf))
182 +  {
183 +    AddFlag(source_p, FLAGS_EXEMPTRESV);
184 +    sendto_one_notice(source_p, &me, ":*** You are exempt from resvs");
185 +  }
186 +
187 +  /* If this user is exempt from user limits set it "F lined" */
188 +  if (IsConfExemptLimits(conf))
189 +  {
190 +    AddFlag(source_p, FLAGS_NOLIMIT);
191 +    sendto_one_notice(source_p, &me, ":*** You are exempt from user limits");
192 +  }
193 +
194 +  if (IsConfCanFlood(conf))
195 +  {
196 +    AddFlag(source_p, FLAGS_CANFLOOD);
197 +    sendto_one_notice(source_p, &me, ":*** You are exempt from flood protection");
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 (MyConnect(source_p))
216 +    send_umode(source_p, source_p, 0, ubuf);
217    else
218 +    send_umode(NULL, source_p, 0, ubuf);
219 +
220 +  watch_check_hash(source_p, RPL_LOGON);
221 +
222 +  if (ubuf[0] == '\0')
223    {
224 <    sendto_one(source_p, form_str(RPL_LUSERME),
225 <               from, to, Count.total, 0);
226 <    sendto_one(source_p, form_str(RPL_LOCALUSERS),
227 <               from, to, Count.total, Count.max_tot,
228 <               Count.total, Count.max_tot);
229 <  }
230 <
231 <  sendto_one(source_p, form_str(RPL_GLOBALUSERS),
232 <             from, to, Count.total, Count.max_tot,
233 <             Count.total, Count.max_tot);
234 <
235 <  if (!ConfigServerHide.hide_servers || IsOper(source_p))
236 <    sendto_one(source_p, form_str(RPL_STATSCONN), from, to,
237 <               MaxConnectionCount, MaxClientCount, Count.totalrestartcount);
224 >    ubuf[0] = '+';
225 >    ubuf[1] = '\0';
226 >  }
227 >
228 >  DLINK_FOREACH(node, local_server_list.head)
229 >  {
230 >    struct Client *server = node->data;
231 >
232 >    if (server == source_p->from)
233 >      continue;
234  
235 <  if (Count.local > MaxClientCount)
236 <    MaxClientCount = Count.local;
235 >    sendto_one(server, ":%s UID %s %u %ju %s %s %s %s %s %s :%s",
236 >               source_p->servptr->id,
237 >               source_p->name, source_p->hopcount+1,
238 >               source_p->tsinfo,
239 >               ubuf, source_p->username, source_p->host,
240 >               source_p->sockhost, source_p->id,
241 >               source_p->account,
242 >               source_p->info);
243  
244 <  if ((Count.local + Count.myserver) > MaxConnectionCount)
245 <    MaxConnectionCount = Count.local + Count.myserver;
244 >    if (!EmptyString(source_p->certfp))
245 >      sendto_one(server, ":%s CERTFP %s", source_p->id, source_p->certfp);
246 >  }
247   }
248  
249 < /* show_isupport()
249 > /* user_welcome()
250   *
251 < * inputs       - pointer to client
251 > * inputs       - client pointer to client to welcome
252   * output       - NONE
253 < * side effects - display to client what we support (for them)
253 > * side effects -
254   */
255 < void
256 < show_isupport(struct Client *source_p)
255 > static void
256 > user_welcome(struct Client *source_p)
257   {
258 <  send_message_file(source_p, isupportFile);
258 >  static const char built_date[] = __DATE__ " at " __TIME__;
259 >
260 >  if (HasFlag(source_p, FLAGS_SSL))
261 >  {
262 >    AddUMode(source_p, UMODE_SSL);
263 >    sendto_one_notice(source_p, &me, ":*** Connected securely via %s",
264 >                      tls_get_cipher(&source_p->connection->fd.ssl));
265 >  }
266 >
267 >  sendto_one_numeric(source_p, &me, RPL_WELCOME, ConfigServerInfo.network_name,
268 >                     source_p->name);
269 >  sendto_one_numeric(source_p, &me, RPL_YOURHOST,
270 >                     listener_get_name(source_p->connection->listener), ircd_version);
271 >  sendto_one_numeric(source_p, &me, RPL_CREATED, built_date);
272 >  sendto_one_numeric(source_p, &me, RPL_MYINFO, me.name, ircd_version, umode_buffer);
273 >
274 >  isupport_show(source_p);
275 >  show_lusers(source_p);
276 >  motd_signon(source_p);
277   }
278  
279 < /*
280 < ** register_local_user
281 < **      This function is called when both NICK and USER messages
282 < **      have been accepted for the client, in whatever order. Only
283 < **      after this, is the USER message propagated.
284 < **
285 < **      NICK's must be propagated at once when received, although
286 < **      it would be better to delay them too until full info is
287 < **      available. Doing it is not so simple though, would have
288 < **      to implement the following:
289 < **
290 < **      (actually it has been implemented already for a while) -orabidoo
291 < **
292 < **      1) user telnets in and gives only "NICK foobar" and waits
293 < **      2) another user far away logs in normally with the nick
294 < **         "foobar" (quite legal, as this server didn't propagate
295 < **         it).
296 < **      3) now this server gets nick "foobar" from outside, but
297 < **         has alread the same defined locally. Current server
298 < **         would just issue "KILL foobar" to clean out dups. But,
299 < **         this is not fair. It should actually request another
300 < **         nick from local user or kill him/her...
301 < */
279 > /* check_xline()
280 > *
281 > * inputs       - pointer to client to test
282 > * outupt       - 1 if exiting 0 if ok
283 > * side effects -
284 > */
285 > static int
286 > check_xline(struct Client *source_p)
287 > {
288 >  struct MaskItem *conf = NULL;
289 >
290 >  if (HasFlag(source_p, FLAGS_EXEMPTXLINE))
291 >    return 0;
292 >
293 >  if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)))
294 >  {
295 >    ++conf->count;
296 >    sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
297 >                         "X-line Rejecting [%s] [%s], user %s [%s]",
298 >                         source_p->info, conf->reason,
299 >                         get_client_name(source_p, HIDE_IP),
300 >                         source_p->sockhost);
301 >
302 >    ++ServerStats.is_ref;
303 >    exit_client(source_p, "Bad user info");
304 >    return 1;
305 >  }
306 >
307 >  return 0;
308 > }
309 >
310 > /*! \brief This function is called when both NICK and USER messages
311 > *      have been accepted for the client, in whatever order. Only
312 > *      after this, is the UID message propagated.
313 > * \param source_p Pointer to given client to introduce
314 > */
315   void
316   register_local_user(struct Client *source_p)
317   {
318    const char *id = NULL;
319 <  const struct AccessItem *aconf = NULL;
286 <  dlink_node *ptr = NULL;
287 <  dlink_node *m = NULL;
319 >  const struct MaskItem *conf = NULL;
320  
289  assert(source_p != NULL);
321    assert(source_p == source_p->from);
322    assert(MyConnect(source_p));
323 <  assert(!source_p->localClient->registration);
324 <
294 <  ClearCap(source_p, CAP_TS6);
323 >  assert(IsUnknown(source_p));
324 >  assert(!source_p->connection->registration);
325  
326 <  if (ConfigFileEntry.ping_cookie)
326 >  if (ConfigGeneral.ping_cookie)
327    {
328 <    if (!IsPingSent(source_p) && source_p->localClient->random_ping == 0)
328 >    if (!HasFlag(source_p, FLAGS_PINGSENT) && !source_p->connection->random_ping)
329      {
330        do
331 <        source_p->localClient->random_ping = genrand_int32();
332 <      while (!source_p->localClient->random_ping);
331 >        source_p->connection->random_ping = genrand_int32();
332 >      while (!source_p->connection->random_ping);
333  
334 <      sendto_one(source_p, "PING :%u",
335 <                 source_p->localClient->random_ping);
306 <      SetPingSent(source_p);
334 >      sendto_one(source_p, "PING :%u", source_p->connection->random_ping);
335 >      AddFlag(source_p, FLAGS_PINGSENT);
336        return;
337      }
338  
339 <    if (!HasPingCookie(source_p))
339 >    if (!HasFlag(source_p, FLAGS_PING_COOKIE))
340        return;
341    }
342  
343 <  source_p->localClient->last = CurrentTime;
343 >  source_p->connection->last_privmsg = CurrentTime;
344    /* Straight up the maximum rate of flooding... */
345 <  source_p->localClient->allow_read = MAX_FLOOD_BURST;
345 >  source_p->connection->allow_read = MAX_FLOOD_BURST;
346  
347 <  if (!execute_callback(client_check_cb, source_p, source_p->username))
347 >  if (!check_client(source_p))
348      return;
349  
350 <  if (valid_hostname(source_p->host) == 0)
350 >  if (!valid_hostname(source_p->host))
351    {
352 <    sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You have an illegal "
353 <               "character in your hostname", me.name, source_p->name);
354 <    strlcpy(source_p->host, source_p->sockhost,
326 <            sizeof(source_p->host));
352 >    sendto_one_notice(source_p, &me, ":*** Notice -- You have an illegal "
353 >                      "character in your hostname");
354 >    strlcpy(source_p->host, source_p->sockhost, sizeof(source_p->host));
355    }
356  
357 <  ptr   = source_p->localClient->confs.head;
330 <  aconf = map_to_conf(ptr->data);
357 >  conf = source_p->connection->confs.head->data;
358  
359 <  if (!IsGotId(source_p))
359 >  if (!HasFlag(source_p, FLAGS_GOTID))
360    {
361 <    char username[USERLEN + 1];
335 <    const char *p = username;
361 >    char username[USERLEN + 1] = "";
362      unsigned int i = 0;
363  
364 <    if (IsNeedIdentd(aconf))
364 >    if (IsNeedIdentd(conf))
365      {
366        ++ServerStats.is_ref;
367 <      sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You need to install "
368 <                 "identd to use this server", me.name, source_p->name);
369 <      exit_client(source_p, &me, "Install identd");
367 >      sendto_one_notice(source_p, &me, ":*** Notice -- You need to install "
368 >                        "identd to use this server");
369 >      exit_client(source_p, "Install identd");
370        return;
371      }
372  
373      strlcpy(username, source_p->username, sizeof(username));
374  
375 <    if (!IsNoTilde(aconf))
375 >    if (!IsNoTilde(conf))
376        source_p->username[i++] = '~';
377  
378 <    for (; *p && i < USERLEN; ++p)
379 <      if (*p != '[')
354 <        source_p->username[i++] = *p;
378 >    for (const char *p = username; *p && i < USERLEN; ++p)
379 >      source_p->username[i++] = *p;
380  
381      source_p->username[i] = '\0';
382    }
383  
384 <  /* password check */
385 <  if (!EmptyString(aconf->passwd))
384 >  /* Password check */
385 >  if (!EmptyString(conf->passwd))
386    {
387 <    const char *pass = source_p->localClient->passwd;
363 <
364 <    if (!match_conf_password(pass, aconf))
387 >    if (!match_conf_password(source_p->connection->password, conf))
388      {
389        ++ServerStats.is_ref;
390 <      sendto_one(source_p, form_str(ERR_PASSWDMISMATCH),
391 <                 me.name, source_p->name);
392 <      exit_client(source_p, &me, "Bad Password");
390 >
391 >      sendto_one_numeric(source_p, &me, ERR_PASSWDMISMATCH);
392 >      exit_client(source_p, "Bad Password");
393        return;
394      }
395    }
396  
397 <  /* don't free source_p->localClient->passwd here - it can be required
398 <   * by masked /stats I if there are auth{} blocks with need_password = no;
397 >  /*
398 >   * Don't free source_p->connection->password here - it can be required
399 >   * by masked /stats I if there are auth {} blocks with need_password = no;
400     * --adx
401     */
402  
403 <  /* report if user has &^>= etc. and set flags as needed in source_p */
404 <  report_and_set_user_flags(source_p, aconf);
403 >  /*
404 >   * Report if user has &^>= etc. and set flags as needed in source_p
405 >   */
406 >  report_and_set_user_flags(source_p, conf);
407  
408    if (IsDead(source_p))
409      return;
410  
411 <  /* Limit clients -
411 >  /*
412 >   * Limit clients -
413     * We want to be able to have servers and F-line clients
414     * connect, so save room for "buffer" connections.
415     * Smaller servers may want to decrease this, and it should
416     * probably be just a percentage of the MAXCLIENTS...
417     *   -Taner
418     */
419 <  /* Except "F:" clients */
420 <  if ((Count.local >= ServerInfo.max_clients + MAX_BUFFER) ||
394 <      (Count.local >= ServerInfo.max_clients && !IsExemptLimits(source_p)))
419 >  if ((Count.local >= GlobalSetOptions.maxclients + MAX_BUFFER) ||
420 >      (Count.local >= GlobalSetOptions.maxclients && !HasFlag(source_p, FLAGS_NOLIMIT)))
421    {
422 <    sendto_realops_flags(UMODE_FULL, L_ALL,
422 >    sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
423                           "Too many clients, rejecting %s[%s].",
424                           source_p->name, source_p->host);
425      ++ServerStats.is_ref;
426 <    exit_client(source_p, &me, "Sorry, server is full - try later");
426 >    exit_client(source_p, "Sorry, server is full - try later");
427      return;
428    }
429  
430 <  /* valid user name check */
405 <  if (valid_username(source_p->username) == 0)
430 >  if (!valid_username(source_p->username, 1))
431    {
432 <    char tmpstr2[IRCD_BUFSIZE];
432 >    char buf[IRCD_BUFSIZE] = "";
433  
434 <    sendto_realops_flags(UMODE_REJ, L_ALL, "Invalid username: %s (%s@%s)",
434 >    sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
435 >                         "Invalid username: %s (%s@%s)",
436                           source_p->name, source_p->username, source_p->host);
437      ++ServerStats.is_ref;
438 <    snprintf(tmpstr2, sizeof(tmpstr2), "Invalid username [%s]",
439 <             source_p->username);
414 <    exit_client(source_p, &me, tmpstr2);
438 >    snprintf(buf, sizeof(buf), "Invalid username [%s]", source_p->username);
439 >    exit_client(source_p, buf);
440      return;
441    }
442  
443    if (check_xline(source_p))
444      return;
445  
446 <  while (hash_find_id((id = uid_get())) != NULL)
446 >  while (hash_find_id((id = uid_get())))
447      ;
448  
449    strlcpy(source_p->id, id, sizeof(source_p->id));
450    hash_add_id(source_p);
451  
452 <  sendto_realops_flags(UMODE_CCONN, L_ALL,
453 <                       "Client connecting: %s (%s@%s) [%s] {%s} [%s]",
452 >  sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
453 >                       "Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>",
454                         source_p->name, source_p->username, source_p->host,
455 <                       ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
456 <                       "255.255.255.255" : source_p->sockhost,
457 <                       get_client_class(source_p),
433 <                       source_p->info);
434 <
435 <  sendto_realops_flags(UMODE_CCONN_FULL, L_ALL,
436 <                       "CLICONN %s %s %s %s %s %s %s 0 %s",
437 <                       source_p->name, source_p->username, source_p->host,
438 <                       ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
439 <                       "255.255.255.255" : source_p->sockhost,
440 <                       get_client_class(source_p),
441 <                       ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
442 <                           "<hidden>" : source_p->localClient->client_host,
443 <                       ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
444 <                           "<hidden>" : source_p->localClient->client_server,
445 <                       source_p->info);
446 <
455 >                       source_p->sockhost,
456 >                       get_client_class(&source_p->connection->confs),
457 >                       source_p->info, source_p->id);
458  
459 <  if (ConfigFileEntry.invisible_on_connect)
459 >  if (ConfigGeneral.invisible_on_connect)
460    {
461 <    source_p->umodes |= UMODE_INVISIBLE;
461 >    AddUMode(source_p, UMODE_INVISIBLE);
462      ++Count.invisi;
463    }
464  
465 <  if ((++Count.local) > Count.max_loc)
465 >  if (++Count.local > Count.max_loc)
466    {
467      Count.max_loc = Count.local;
468  
469      if (!(Count.max_loc % 10))
470 <      sendto_realops_flags(UMODE_ALL, L_ALL, "New Max Local Clients: %d",
470 >      sendto_realops_flags(UMODE_SERVNOTICE, L_ALL, SEND_NOTICE,
471 >                           "New maximum local client connections: %u",
472                             Count.max_loc);
473    }
474  
463  /* Increment our total user count here */
475    if (++Count.total > Count.max_tot)
476      Count.max_tot = Count.total;
477    ++Count.totalrestartcount;
# Line 468 | Line 479 | register_local_user(struct Client *sourc
479    assert(source_p->servptr == &me);
480    SetClient(source_p);
481    dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
482 <
472 <  source_p->localClient->allow_read = MAX_FLOOD_BURST;
482 >  dlinkAdd(source_p, &source_p->node, &global_client_list);
483  
484    assert(dlinkFind(&unknown_list, source_p));
485  
486 <  if ((m = dlinkFindDelete(&unknown_list, source_p)) != NULL)
487 <  {
478 <    free_dlink_node(m);
479 <    dlinkAdd(source_p, &source_p->localClient->lclient_node, &local_client_list);
480 <  }
486 >  dlink_move_node(&source_p->connection->lclient_node,
487 >                  &unknown_list, &local_client_list);
488  
489    user_welcome(source_p);
490 <  add_user_host(source_p->username, source_p->host, 0);
491 <  SetUserHost(source_p);
490 >  userhost_add(source_p->username, source_p->host, 0);
491 >  AddFlag(source_p, FLAGS_USERHOST);
492  
493    introduce_client(source_p);
494   }
# Line 492 | Line 499 | register_local_user(struct Client *sourc
499   *              - username to register as
500   *              - host name to register as
501   *              - server name
495 *              - realname (gecos)
502   * output       - NONE
503   * side effects - This function is called when a remote client
504   *                is introduced by a server.
505   */
506   void
507 < register_remote_user(struct Client *source_p,
502 <                     const char *username, const char *host, const char *server,
503 <                     const char *realname)
507 > register_remote_user(struct Client *source_p)
508   {
509 <  struct Client *target_p = NULL;
506 <
507 <  assert(source_p != NULL);
508 <  assert(source_p->username != username);
509 <
510 <  strlcpy(source_p->host, host, sizeof(source_p->host));
511 <  strlcpy(source_p->username, username, sizeof(source_p->username));
512 <
513 <  /*
514 <   * coming from another server, take the servers word for it
515 <   */
516 <  source_p->servptr = find_server(server);
517 <
518 <  /* Super GhostDetect:
519 <   * If we can't find the server the user is supposed to be on,
520 <   * then simply blow the user away.        -Taner
521 <   */
522 <  if (source_p->servptr == NULL)
523 <  {
524 <    sendto_realops_flags(UMODE_ALL, L_ALL,
525 <                         "No server %s for user %s[%s@%s] from %s",
526 <                         server, source_p->name, source_p->username,
527 <                         source_p->host, source_p->from->name);
528 <    kill_client(source_p->from, source_p, "%s (Server doesn't exist)", me.name);
529 <
530 <    SetKilled(source_p);
531 <    exit_client(source_p, &me, "Ghosted Client");
532 <    return;
533 <  }
509 >  const struct Client *target_p = NULL;
510  
511    if ((target_p = source_p->servptr) && target_p->from != source_p->from)
512    {
513 <    sendto_realops_flags(UMODE_DEBUG, L_ALL,
513 >    sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE,
514                           "Bad User [%s] :%s USER %s@%s %s, != %s[%s]",
515                           source_p->from->name, source_p->name, source_p->username,
516                           source_p->host, source_p->servptr->name,
517                           target_p->name, target_p->from->name);
518 <    kill_client(source_p->from, source_p,
519 <                "%s (NICK from wrong direction (%s != %s))",
520 <                me.name, source_p->servptr->name, target_p->from->name);
521 <    SetKilled(source_p);
522 <    exit_client(source_p, &me, "USER server wrong direction");
518 >    sendto_one(source_p->from,
519 >               ":%s KILL %s :%s (UID from wrong direction (%s != %s))",
520 >               me.id, source_p->id, me.name, source_p->servptr->name,
521 >               target_p->from->name);
522 >
523 >    AddFlag(source_p, FLAGS_KILLED);
524 >    exit_client(source_p, "UID server wrong direction");
525      return;
526    }
527  
528 <  /* Increment our total user count here */
528 >  /*
529 >   * If the nick has been introduced by a services server,
530 >   * make it a service as well.
531 >   */
532 >  if (HasFlag(source_p->servptr, FLAGS_SERVICE))
533 >    AddFlag(source_p, FLAGS_SERVICE);
534 >
535    if (++Count.total > Count.max_tot)
536      Count.max_tot = Count.total;
537  
538    SetClient(source_p);
539    dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
540 <  add_user_host(source_p->username, source_p->host, 1);
541 <  SetUserHost(source_p);
540 >  dlinkAdd(source_p, &source_p->node, &global_client_list);
541 >  userhost_add(source_p->username, source_p->host, 1);
542 >  AddFlag(source_p, FLAGS_USERHOST);
543 >
544 >  if (HasFlag(source_p->servptr, FLAGS_EOB))
545 >    sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
546 >                         "Client connecting at %s: %s (%s@%s) [%s] [%s] <%s>",
547 >                         source_p->servptr->name,
548 >                         source_p->name, source_p->username, source_p->host,
549 >                         source_p->sockhost, source_p->info, source_p->id);
550  
551    introduce_client(source_p);
552   }
553  
562 /* introduce_client()
563 *
564 * inputs       - source_p
565 * output       - NONE
566 * side effects - This common function introduces a client to the rest
567 *                of the net, either from a local client connect or
568 *                from a remote connect.
569 */
570 static void
571 introduce_client(struct Client *source_p)
572 {
573  dlink_node *server_node = NULL;
574  static char ubuf[12];
575
576  if (MyClient(source_p))
577    send_umode(source_p, source_p, 0, SEND_UMODES, ubuf);
578  else
579    send_umode(NULL, source_p, 0, SEND_UMODES, ubuf);
580
581  watch_check_hash(source_p, RPL_LOGON);
582
583  if (*ubuf == '\0')
584  {
585    ubuf[0] = '+';
586    ubuf[1] = '\0';
587  }
588
589  DLINK_FOREACH(server_node, serv_list.head)
590  {
591    struct Client *server = server_node->data;
592
593    if (server == source_p->from)
594        continue;
595
596    if (IsCapable(server, CAP_TS6) && HasID(source_p))
597      sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s :%s",
598                 source_p->servptr->id,
599                 source_p->name, source_p->hopcount+1,
600                 (unsigned long)source_p->tsinfo,
601                 ubuf, source_p->username, source_p->host,
602                 (MyClient(source_p) && IsIPSpoof(source_p)) ?
603                 "0" : source_p->sockhost, source_p->id, source_p->info);
604    else
605      sendto_one(server, "NICK %s %d %lu %s %s %s %s :%s",
606                 source_p->name, source_p->hopcount+1,
607                 (unsigned long)source_p->tsinfo,
608                 ubuf, source_p->username, source_p->host,
609                 source_p->servptr->name, source_p->info);
610  }
611 }
612
554   /* valid_hostname()
555   *
556   * Inputs       - pointer to hostname
# Line 624 | Line 565 | valid_hostname(const char *hostname)
565   {
566    const char *p = hostname;
567  
568 <  assert(p != NULL);
568 >  assert(p);
569  
570 <  if (*p == '.' || *p == ':')
570 >  if (EmptyString(p) || *p == '.' || *p == ':')
571      return 0;
572  
573    for (; *p; ++p)
574      if (!IsHostChar(*p))
575        return 0;
576  
577 <  return 1;
577 >  return p - hostname <= HOSTLEN;
578   }
579  
580   /* valid_username()
# Line 648 | Line 589 | valid_hostname(const char *hostname)
589   * style of username
590   */
591   int
592 < valid_username(const char *username)
592 > valid_username(const char *username, const int local)
593   {
653  int dots      = 0;
594    const char *p = username;
595  
596 <  assert(p != NULL);
596 >  assert(p);
597  
598    if (*p == '~')
599      ++p;
600  
601 <  /* reject usernames that don't start with an alphanum
601 >  /*
602 >   * Reject usernames that don't start with an alphanum
603     * i.e. reject jokers who have '-@somehost' or '.@somehost'
604     * or "-hi-@somehost", "h-----@somehost" would still be accepted.
605     */
606    if (!IsAlNum(*p))
607      return 0;
608  
609 <  while (*++p)
609 >  if (local)
610    {
611 <    if ((*p == '.') && ConfigFileEntry.dots_in_ident)
611 >    unsigned int dots = 0;
612 >
613 >    while (*++p)
614      {
615 <      if (++dots > ConfigFileEntry.dots_in_ident)
616 <        return 0;
617 <      if (!IsUserChar(*(p + 1)))
615 >      if (*p == '.' && ConfigGeneral.dots_in_ident)
616 >      {
617 >        if (++dots > ConfigGeneral.dots_in_ident)
618 >          return 0;
619 >        if (!IsUserChar(*(p + 1)))
620 >          return 0;
621 >      }
622 >      else if (!IsUserChar(*p))
623          return 0;
624      }
677    else if (!IsUserChar(*p))
678      return 0;
679  }
680
681  return 1;
682 }
683
684 /* report_and_set_user_flags()
685 *
686 * inputs       - pointer to source_p
687 *              - pointer to aconf for this user
688 * output       - NONE
689 * side effects - Report to user any special flags
690 *                they are getting, and set them.
691 */
692 static void
693 report_and_set_user_flags(struct Client *source_p, const struct AccessItem *aconf)
694 {
695  /* If this user is being spoofed, tell them so */
696  if (IsConfDoSpoofIp(aconf))
697  {
698    sendto_one(source_p,
699               ":%s NOTICE %s :*** Spoofing your IP. congrats.",
700               me.name, source_p->name);
701  }
702
703  /* If this user is in the exception class, Set it "E lined" */
704  if (IsConfExemptKline(aconf))
705  {
706    SetExemptKline(source_p);
707    sendto_one(source_p,
708               ":%s NOTICE %s :*** You are exempt from K/D/G lines. congrats.",
709               me.name, source_p->name);
710  }
711
712  /* The else here is to make sure that G line exempt users
713   * do not get noticed twice.
714   */
715  else if (IsConfExemptGline(aconf))
716  {
717    SetExemptGline(source_p);
718    sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from G lines.",
719               me.name, source_p->name);
720  }
721
722  if (IsConfExemptResv(aconf))
723  {
724    SetExemptResv(source_p);
725    sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from resvs.",
726               me.name, source_p->name);
727  }
728
729  /* If this user is exempt from user limits set it "F lined" */
730  if (IsConfExemptLimits(aconf))
731  {
732    SetExemptLimits(source_p);
733    sendto_one(source_p,
734               ":%s NOTICE %s :*** You are exempt from user limits. congrats.",
735               me.name,source_p->name);
736  }
737
738  /* If this user is exempt from idle time outs */
739  if (IsConfIdlelined(aconf))
740  {
741    SetIdlelined(source_p);
742    sendto_one(source_p,
743               ":%s NOTICE %s :*** You are exempt from idle limits. congrats.",
744               me.name, source_p->name);
625    }
626 <
747 <  if (IsConfCanFlood(aconf))
626 >  else
627    {
628 <    SetCanFlood(source_p);
629 <    sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from flood "
630 <               "protection, aren't you fearsome.",
752 <               me.name, source_p->name);
628 >    while (*++p)
629 >      if (!IsUserChar(*p))
630 >        return 0;
631    }
754 }
632  
633 < /* change_simple_umode()
757 < *
758 < * this callback can be hooked to allow special handling of
759 < * certain usermodes
760 < */
761 < static void *
762 < change_simple_umode(va_list args)
763 < {
764 <  struct Client *client_p;
765 <  struct Client *source_p;
766 <  int what;
767 <  unsigned int flag;
768 <
769 <  client_p = va_arg(args, struct Client *);
770 <  source_p = va_arg(args, struct Client *);
771 <  what = va_arg(args, int);
772 <  flag = va_arg(args, unsigned int);
773 <
774 <  if (what == MODE_ADD)
775 <    source_p->umodes |= flag;
776 <  else
777 <    source_p->umodes &= ~flag;
778 <
779 <  return NULL;
633 >  return p - username <= USERLEN;
634   }
635  
636 < /* set_user_mode()
636 > /* clean_nick_name()
637   *
638 < * added 15/10/91 By Darren Reed.
639 < * parv[0] - sender
640 < * parv[1] - username to change mode for
641 < * parv[2] - modes to change
638 > * input        - nickname
639 > *              - whether it's a local nick (1) or remote (0)
640 > * output       - none
641 > * side effects - walks through the nickname, returning 0 if erroneous
642   */
643 < void
644 < set_user_mode(struct Client *client_p, struct Client *source_p,
791 <              int parc, char *parv[])
643 > int
644 > valid_nickname(const char *nickname, const int local)
645   {
646 <  unsigned int flag, setflags;
794 <  char **p, *m, buf[IRCD_BUFSIZE];
795 <  struct Client *target_p;
796 <  int what = MODE_ADD, badflag = 0, i;
797 <
798 <  assert(!(parc < 2));
799 <
800 <  if ((target_p = find_person(client_p, parv[1])) == NULL)
801 <  {
802 <    if (MyConnect(source_p))
803 <      sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
804 <                 me.name, source_p->name, parv[1]);
805 <    return;
806 <  }
807 <
808 <  if (IsServer(source_p))
809 <  {
810 <     sendto_realops_flags(UMODE_ALL, L_ADMIN, "*** Mode for User %s from %s",
811 <                          parv[1], source_p->name);
812 <     return;
813 <  }
814 <
815 <  if (source_p != target_p)
816 <  {
817 <     sendto_one(source_p, form_str(ERR_USERSDONTMATCH),
818 <                me.name, source_p->name);
819 <     return;
820 <  }
821 <
822 <  if (parc < 3)
823 <  {
824 <    m = buf;
825 <    *m++ = '+';
826 <
827 <    for (i = 0; i < 128; i++)
828 <      if (source_p->umodes & user_modes[i])
829 <        *m++ = (char)i;
830 <    *m = '\0';
831 <
832 <    sendto_one(source_p, form_str(RPL_UMODEIS),
833 <               me.name, source_p->name, buf);
834 <    return;
835 <  }
836 <
837 <  execute_callback(entering_umode_cb, client_p, source_p);
646 >  const char *p = nickname;
647  
648 <  /* find flags already set for user */
840 <  setflags = source_p->umodes;
841 <
842 <  /* parse mode change string(s) */
843 <  for (p = &parv[2]; p && *p; p++)
844 <  {
845 <    for (m = *p; *m; m++)
846 <    {
847 <      switch (*m)
848 <      {
849 <        case '+':
850 <          what = MODE_ADD;
851 <          break;
852 <        case '-':
853 <          what = MODE_DEL;
854 <          break;
855 <        case 'o':
856 <          if (what == MODE_ADD)
857 <          {
858 <            if (IsServer(client_p) && !IsOper(source_p))
859 <            {
860 <              ++Count.oper;
861 <              SetOper(source_p);
862 <            }
863 <          }
864 <          else
865 <          {
866 <            /* Only decrement the oper counts if an oper to begin with
867 <             * found by Pat Szuta, Perly , perly@xnet.com
868 <             */
869 <            if (!IsOper(source_p))
870 <              break;
871 <
872 <            ClearOper(source_p);
873 <            Count.oper--;
874 <
875 <            if (MyConnect(source_p))
876 <            {
877 <              dlink_node *dm;
878 <
879 <              detach_conf(source_p, OPER_TYPE);
880 <              ClearOperFlags(source_p);
881 <              source_p->umodes &= ~ConfigFileEntry.oper_only_umodes;
882 <
883 <              if ((dm = dlinkFindDelete(&oper_list, source_p)) != NULL)
884 <                free_dlink_node(dm);
885 <            }
886 <          }
887 <
888 <          break;
889 <
890 <        /* we may not get these,
891 <         * but they shouldnt be in default
892 <         */
893 <        case ' ' :
894 <        case '\n':
895 <        case '\r':
896 <        case '\t':
897 <          break;
898 <
899 <        default:
900 <          if ((flag = user_modes[(unsigned char)*m]))
901 <          {
902 <            if (MyConnect(source_p) && !IsOper(source_p) &&
903 <                (ConfigFileEntry.oper_only_umodes & flag))
904 <            {
905 <              badflag = 1;
906 <            }
907 <            else
908 <              execute_callback(umode_cb, client_p, source_p, what, flag);
909 <          }
910 <          else
911 <          {
912 <            if (MyConnect(source_p))
913 <              badflag = 1;
914 <          }
915 <
916 <          break;
917 <      }
918 <    }
919 <  }
920 <
921 <  if (badflag)
922 <    sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG),
923 <               me.name, source_p->name);
924 <
925 <  if ((source_p->umodes & UMODE_NCHANGE) && !IsOperN(source_p))
926 <  {
927 <    sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;",
928 <               me.name, source_p->name);
929 <    source_p->umodes &= ~UMODE_NCHANGE; /* only tcm's really need this */
930 <  }
931 <
932 <  if (MyConnect(source_p) && (source_p->umodes & UMODE_ADMIN) &&
933 <      !IsOperAdmin(source_p) && !IsOperHiddenAdmin(source_p))
934 <  {
935 <    sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;",
936 <               me.name, source_p->name);
937 <    source_p->umodes &= ~UMODE_ADMIN;
938 <  }
939 <
940 <  if (!(setflags & UMODE_INVISIBLE) && IsInvisible(source_p))
941 <    ++Count.invisi;
942 <  if ((setflags & UMODE_INVISIBLE) && !IsInvisible(source_p))
943 <    --Count.invisi;
648 >  assert(p);
649  
650    /*
651 <   * compare new flags with old flags and send string which
947 <   * will cause servers to update correctly.
651 >   * Nicks can't start with a digit or - or be 0 length.
652     */
653 <  send_umode_out(client_p, source_p, setflags);
653 >  if (EmptyString(p) || *p == '-' || (IsDigit(*p) && local))
654 >    return 0;
655 >
656 >  for (; *p; ++p)
657 >    if (!IsNickChar(*p))
658 >      return 0;
659 >
660 >  return p - nickname <= NICKLEN;
661   }
662  
663   /* send_umode()
# Line 956 | Line 667 | set_user_mode(struct Client *client_p, s
667   * inputs       - client_p
668   *              - source_p
669   *              - int old
959 *              - sendmask mask of modes to send
670   *              - suplied umode_buf
671   * output       - NONE
672   */
673   void
674   send_umode(struct Client *client_p, struct Client *source_p,
675 <           unsigned int old, unsigned int sendmask, char *umode_buf)
675 >           unsigned int old, char *umode_buf)
676   {
677    char *m = umode_buf;
678    int what = 0;
969  unsigned int i;
970  unsigned int flag;
679  
680    /*
681 <   * build a string in umode_buf to represent the change in the user's
681 >   * Build a string in umode_buf to represent the change in the user's
682     * mode between the new (source_p->umodes) and 'old'.
683     */
684 <  for (i = 0; i < 128; i++)
684 >  for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
685    {
686 <    flag = user_modes[i];
979 <    if (!flag)
980 <      continue;
981 <
982 <    if (MyClient(source_p) && !(flag & sendmask))
983 <      continue;
984 <
985 <    if ((flag & old) && !(source_p->umodes & flag))
686 >    if ((tab->flag & old) && !HasUMode(source_p, tab->flag))
687      {
688        if (what == MODE_DEL)
689 <        *m++ = (char)i;
689 >        *m++ = tab->c;
690        else
691        {
692          what = MODE_DEL;
693          *m++ = '-';
694 <        *m++ = (char)i;
694 >        *m++ = tab->c;
695        }
696      }
697 <    else if (!(flag & old) && (source_p->umodes & flag))
697 >    else if (!(tab->flag & old) && HasUMode(source_p, tab->flag))
698      {
699        if (what == MODE_ADD)
700 <        *m++ = (char)i;
700 >        *m++ = tab->c;
701        else
702        {
703          what = MODE_ADD;
704          *m++ = '+';
705 <        *m++ = (char)i;
705 >        *m++ = tab->c;
706        }
707      }
708    }
# Line 1010 | Line 711 | send_umode(struct Client *client_p, stru
711  
712    if (*umode_buf && client_p)
713      sendto_one(client_p, ":%s!%s@%s MODE %s :%s",
714 <               source_p->name, source_p->username,
715 <               source_p->host, source_p->name, umode_buf);
714 >               client_p->name, client_p->username,
715 >               client_p->host, client_p->name, umode_buf);
716   }
717  
718   /* send_umode_out()
# Line 1021 | Line 722 | send_umode(struct Client *client_p, stru
722   * side effects - Only send ubuf out to servers that know about this client
723   */
724   void
725 < send_umode_out(struct Client *client_p, struct Client *source_p,
1025 <               unsigned int old)
725 > send_umode_out(struct Client *source_p, unsigned int old)
726   {
727 <  char buf[IRCD_BUFSIZE] = { '\0' };
1028 <  dlink_node *ptr = NULL;
727 >  char buf[IRCD_BUFSIZE] = "";
728  
729 <  send_umode(NULL, source_p, old, IsOperHiddenAdmin(source_p) ?
1031 <             SEND_UMODES & ~UMODE_ADMIN : SEND_UMODES, buf);
729 >  send_umode(MyClient(source_p) ? source_p : NULL, source_p, old, buf);
730  
731    if (buf[0])
732 <  {
733 <    DLINK_FOREACH(ptr, serv_list.head)
1036 <    {
1037 <      struct Client *target_p = ptr->data;
1038 <
1039 <      if ((target_p != client_p) && (target_p != source_p))
1040 <        sendto_one(target_p, ":%s MODE %s :%s",
1041 <                   ID_or_name(source_p, target_p),
1042 <                   ID_or_name(source_p, target_p), buf);
1043 <    }
1044 <  }
1045 <
1046 <  if (client_p && MyClient(client_p))
1047 <    send_umode(client_p, source_p, old, 0xffffffff, buf);
732 >    sendto_server(source_p, 0, 0, ":%s MODE %s :%s",
733 >                  source_p->id, source_p->id, buf);
734   }
735  
1050 /* user_welcome()
1051 *
1052 * inputs       - client pointer to client to welcome
1053 * output       - NONE
1054 * side effects -
1055 */
1056 static void
1057 user_welcome(struct Client *source_p)
1058 {
1059 #if defined(__TIME__) && defined(__DATE__)
1060  static const char built_date[] = __DATE__ " at " __TIME__;
1061 #else
1062  static const char built_date[] = "unknown";
1063 #endif
1064
1065 #ifdef HAVE_LIBCRYPTO
1066  if (source_p->localClient->fd.ssl != NULL)
1067    sendto_one(source_p, ":%s NOTICE %s :*** Connected securely via %s",
1068               me.name, source_p->name,
1069               ssl_get_cipher(source_p->localClient->fd.ssl));
1070 #endif
1071
1072  sendto_one(source_p, form_str(RPL_WELCOME), me.name, source_p->name,
1073             ServerInfo.network_name, source_p->name);
1074  sendto_one(source_p, form_str(RPL_YOURHOST), me.name, source_p->name,
1075             get_listener_name(source_p->localClient->listener), ircd_version);
1076  sendto_one(source_p, form_str(RPL_CREATED),
1077             me.name, source_p->name, built_date);
1078  sendto_one(source_p, form_str(RPL_MYINFO),
1079             me.name, source_p->name, me.name, ircd_version, umode_buffer);
1080  show_isupport(source_p);
1081
1082  if (source_p->id[0] != '\0')
1083    sendto_one(source_p, form_str(RPL_YOURID), me.name,
1084               source_p->name, source_p->id);
1085
1086  show_lusers(source_p);
1087
1088  if (ConfigFileEntry.short_motd)
1089  {
1090    sendto_one(source_p, ":%s NOTICE %s :*** Notice -- motd was last changed at %s",
1091               me.name, source_p->name, ConfigFileEntry.motd.lastChangedDate);
1092    sendto_one(source_p,
1093               ":%s NOTICE %s :*** Notice -- Please read the motd if you haven't "
1094               "read it", me.name, source_p->name);
1095    sendto_one(source_p, form_str(RPL_MOTDSTART),
1096               me.name, source_p->name, me.name);
1097    sendto_one(source_p, form_str(RPL_MOTD),
1098               me.name, source_p->name,
1099               "*** This is the short motd ***");
1100    sendto_one(source_p, form_str(RPL_ENDOFMOTD),
1101               me.name, source_p->name);
1102  }
1103  else  
1104    send_message_file(source_p, &ConfigFileEntry.motd);
1105 }
1106
1107 /* check_xline()
1108 *
1109 * inputs       - pointer to client to test
1110 * outupt       - 1 if exiting 0 if ok
1111 * side effects -
1112 */
1113 static int
1114 check_xline(struct Client *source_p)
1115 {
1116  struct ConfItem *conf = NULL;
1117  const char *reason = NULL;
1118
1119  if ((conf = find_matching_name_conf(XLINE_TYPE, source_p->info, NULL, NULL, 0)) ||
1120      (conf = find_matching_name_conf(RXLINE_TYPE, source_p->info, NULL, NULL, 0)))
1121  {
1122    struct MatchItem *reg = map_to_conf(conf);
1123
1124    ++reg->count;
1125
1126    if (reg->reason != NULL)
1127      reason = reg->reason;
1128    else
1129      reason = "No Reason";
1130
1131    sendto_realops_flags(UMODE_REJ, L_ALL,
1132                         "X-line Rejecting [%s] [%s], user %s [%s]",
1133                         source_p->info, reason,
1134                         get_client_name(source_p, HIDE_IP),
1135                         source_p->sockhost);
1136
1137    ++ServerStats.is_ref;
1138    if (REJECT_HOLD_TIME > 0)
1139    {
1140      sendto_one(source_p, ":%s NOTICE %s :Bad user info",
1141                 me.name, source_p->name);
1142      source_p->localClient->reject_delay = CurrentTime + REJECT_HOLD_TIME;
1143      SetCaptured(source_p);
1144    }
1145    else
1146      exit_client(source_p, &me, "Bad user info");
1147    return 1;
1148  }
1149
1150  return 0;
1151 }
1152
1153 /* oper_up()
1154 *
1155 * inputs       - pointer to given client to oper
1156 * output       - NONE
1157 * side effects - Blindly opers up given source_p, using aconf info
1158 *                all checks on passwords have already been done.
1159 *                This could also be used by rsa oper routines.
1160 */
736   void
737 < oper_up(struct Client *source_p)
737 > user_set_hostmask(struct Client *target_p, const char *hostname, const int what)
738   {
739 <  unsigned int old = source_p->umodes;
1165 <  const char *operprivs = "";
1166 <  const struct AccessItem *oconf = NULL;
1167 <
1168 <  assert(source_p->localClient->confs.head);
1169 <  oconf = map_to_conf((source_p->localClient->confs.head)->data);
1170 <
1171 <  ++Count.oper;
1172 <  SetOper(source_p);
1173 <
1174 <  if (oconf->modes)
1175 <    source_p->umodes |= oconf->modes;
1176 <  else if (ConfigFileEntry.oper_umodes)
1177 <    source_p->umodes |= ConfigFileEntry.oper_umodes;
1178 <  else
1179 <    source_p->umodes |= (UMODE_SERVNOTICE|UMODE_OPERWALL|
1180 <                         UMODE_WALLOP|UMODE_LOCOPS);
1181 <
1182 <  if (!(old & UMODE_INVISIBLE) && IsInvisible(source_p))
1183 <    ++Count.invisi;
1184 <  if ((old & UMODE_INVISIBLE) && !IsInvisible(source_p))
1185 <    --Count.invisi;
1186 <
1187 <  assert(dlinkFind(&oper_list, source_p) == NULL);
1188 <  dlinkAdd(source_p, make_dlink_node(), &oper_list);
1189 <
1190 <  operprivs = oper_privs_as_string(oconf->port);
1191 <
1192 <  SetOFlag(source_p, oconf->port);
1193 <
1194 <  if (IsOperAdmin(source_p) || IsOperHiddenAdmin(source_p))
1195 <    source_p->umodes |= UMODE_ADMIN;
1196 <  if (!IsOperN(source_p))
1197 <    source_p->umodes &= ~UMODE_NCHANGE;
1198 <
1199 <  sendto_realops_flags(UMODE_ALL, L_ALL, "%s (%s@%s) is now an operator",
1200 <                       source_p->name, source_p->username, source_p->host);
1201 <  send_umode_out(source_p, source_p, old);
1202 <  sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name);
1203 <  sendto_one(source_p, ":%s NOTICE %s :*** Oper privs are %s",
1204 <             me.name, source_p->name, operprivs);
1205 <  send_message_file(source_p, &ConfigFileEntry.opermotd);
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 <  int i;
1234 <
1235 <  memset(new_uid, 0, sizeof(new_uid));
739 >  dlink_node *node = NULL;
740  
741 <  if (!EmptyString(ServerInfo.sid))
742 <    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 <  entering_umode_cb = register_callback("entering_umode", NULL);
1252 <  umode_cb = register_callback("changing_umode", change_simple_umode);
1253 < }
741 >  if (!strcmp(target_p->host, hostname))
742 >    return;
743  
744 < /*
1256 < * add_one_to_uid
1257 < *
1258 < * inputs       - index number into new_uid
1259 < * output       - NONE
1260 < * side effects - new_uid is incremented by one
1261 < *                note this is a recursive function
1262 < */
1263 < static void
1264 < add_one_to_uid(int i)
1265 < {
1266 <  if (i != IRC_MAXSID)    /* Not reached server SID portion yet? */
744 >  switch (what)
745    {
746 <    if (new_uid[i] == 'Z')
747 <      new_uid[i] = '0';
748 <    else if (new_uid[i] == '9')
749 <    {
750 <      new_uid[i] = 'A';
751 <      add_one_to_uid(i-1);
752 <    }
1275 <    else
1276 <      ++new_uid[i];
1277 <  }
1278 <  else
1279 <  {
1280 <    /* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1281 <    if (new_uid[i] == 'Z')
1282 <      memcpy(new_uid + IRC_MAXSID, "AAAAAA", IRC_MAXUID);
1283 <    else
1284 <      ++new_uid[i];
746 >    case MODE_ADD:
747 >      AddUMode(target_p, UMODE_HIDDENHOST);
748 >      break;
749 >    case MODE_DEL:
750 >      DelUMode(target_p, UMODE_HIDDENHOST);
751 >      break;
752 >    default: return;
753    }
1286 }
754  
755 < /*
756 < * uid_get
757 < *
1291 < * inputs       - struct Client *
1292 < * output       - new UID is returned to caller
1293 < * side effects - new_uid is incremented by one.
1294 < */
1295 < static const char *
1296 < uid_get(void)
1297 < {
1298 <  add_one_to_uid(TOTALSIDUID - 1);    /* index from 0 */
1299 <  return new_uid;
1300 < }
755 >  if (ConfigGeneral.cycle_on_host_change)
756 >    sendto_common_channels_local(target_p, 0, 0, CAP_CHGHOST, ":%s!%s@%s QUIT :Changing hostname",
757 >                                 target_p->name, target_p->username, target_p->host);
758  
759 < /*
760 < * init_isupport()
761 < *
1305 < * input        - NONE
1306 < * output       - NONE
1307 < * side effects - Must be called before isupport is enabled
1308 < */
1309 < void
1310 < init_isupport(void)
1311 < {
1312 <  isupportFile = init_MessageLine();
759 >  sendto_common_channels_local(target_p, 0, CAP_CHGHOST, 0, ":%s!%s@%s CHGHOST %s %s",
760 >                               target_p->name, target_p->username,
761 >                               target_p->host, target_p->username, hostname);
762  
763 <  add_isupport("CALLERID", NULL, -1);
764 <  add_isupport("CASEMAPPING", CASEMAP, -1);
1316 <  add_isupport("DEAF", "D", -1);
1317 <  add_isupport("KICKLEN", NULL, KICKLEN);
1318 <  add_isupport("MODES", NULL, MAXMODEPARAMS);
1319 <  add_isupport("NICKLEN", NULL, NICKLEN-1);
1320 < #ifdef HALFOPS
1321 <  add_isupport("PREFIX", "(ohv)@%+", -1);
1322 <  add_isupport("STATUSMSG", "@%+", -1);
1323 < #else
1324 <  add_isupport("PREFIX", "(ov)@+", -1);
1325 <  add_isupport("STATUSMSG", "@+", -1);
1326 < #endif
1327 <  add_isupport("TOPICLEN", NULL, TOPICLEN);
1328 < }
763 >  if (HasFlag(target_p, FLAGS_USERHOST))
764 >    userhost_del(target_p->username, target_p->host, !MyConnect(target_p));
765  
766 < /*
1331 < * add_isupport()
1332 < *
1333 < * input        - name of supported function
1334 < *              - options if any
1335 < *              - number if any
1336 < * output       - NONE
1337 < * side effects - Each supported item must call this when activated
1338 < */
1339 < void
1340 < add_isupport(const char *name, const char *options, int n)
1341 < {
1342 <  dlink_node *ptr;
1343 <  struct Isupport *support;
766 >  strlcpy(target_p->host, hostname, sizeof(target_p->host));
767  
768 <  DLINK_FOREACH(ptr, support_list.head)
769 <  {
1347 <    support = ptr->data;
1348 <    if (irccmp(support->name, name) == 0)
1349 <    {
1350 <      MyFree(support->name);
1351 <      MyFree(support->options);
1352 <      break;
1353 <    }
1354 <  }
768 >  userhost_add(target_p->username, target_p->host, !MyConnect(target_p));
769 >  AddFlag(target_p, FLAGS_USERHOST);
770  
771 <  if (ptr == NULL)
771 >  if (MyConnect(target_p))
772    {
773 <    support = MyMalloc(sizeof(*support));
774 <    dlinkAddTail(support, &support->node, &support_list);
773 >    sendto_one_numeric(target_p, &me, RPL_VISIBLEHOST, target_p->host);
774 >    clear_ban_cache_client(target_p);
775    }
776  
777 <  DupString(support->name, name);
778 <  if (options != NULL)
1364 <    DupString(support->options, options);
1365 <  support->number = n;
1366 <
1367 <  rebuild_isupport_message_line();
1368 < }
1369 <
1370 < /*
1371 < * delete_isupport()
1372 < *
1373 < * input        - name of supported function
1374 < * output       - NONE
1375 < * side effects - Each supported item must call this when deactivated
1376 < */
1377 < void
1378 < delete_isupport(const char *name)
1379 < {
1380 <  dlink_node *ptr;
1381 <  struct Isupport *support;
777 >  if (!ConfigGeneral.cycle_on_host_change)
778 >    return;
779  
780 <  DLINK_FOREACH(ptr, support_list.head)
780 >  DLINK_FOREACH(node, target_p->channel.head)
781    {
782 <    support = ptr->data;
783 <    if (irccmp(support->name, name) == 0)
782 >    char modebuf[CMEMBER_STATUS_FLAGS_LEN + 1];
783 >    char nickbuf[CMEMBER_STATUS_FLAGS_LEN * NICKLEN + CMEMBER_STATUS_FLAGS_LEN] = "";
784 >    char *p = modebuf;
785 >    int len = 0;
786 >    const struct Membership *member = node->data;
787 >
788 >    if (has_member_flags(member, CHFL_CHANOP))
789      {
790 <      dlinkDelete(ptr, &support_list);
791 <      MyFree(support->name);
1390 <      MyFree(support->options);
1391 <      MyFree(support);
1392 <      break;
790 >      *p++ = 'o';
791 >      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
792      }
1394  }
1395
1396  rebuild_isupport_message_line();
1397 }
1398
1399 /*
1400 * rebuild_isupport_message_line
1401 *
1402 * input        - NONE
1403 * output       - NONE
1404 * side effects - Destroy the isupport MessageFile lines, and rebuild.
1405 */
1406 void
1407 rebuild_isupport_message_line(void)
1408 {
1409  char isupportbuffer[IRCD_BUFSIZE];
1410  char *p = isupportbuffer;
1411  dlink_node *ptr = NULL;
1412  int n = 0;
1413  int tokens = 0;
1414  size_t len = 0;
1415  size_t reserve = strlen(me.name) + HOSTLEN + strlen(form_str(RPL_ISUPPORT));
1416
1417  destroy_MessageLine(isupportFile);
1418
1419  DLINK_FOREACH(ptr, support_list.head)
1420  {
1421    struct Isupport *support = ptr->data;
793  
794 <    p += (n = ircsprintf(p, "%s", support->name));
1424 <    len += n;
1425 <
1426 <    if (support->options != NULL)
794 >    if (has_member_flags(member, CHFL_HALFOP))
795      {
796 <      p += (n = ircsprintf(p, "=%s", support->options));
797 <      len += n;
796 >      *p++ = 'h';
797 >      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
798      }
799  
800 <    if (support->number > 0)
800 >    if (has_member_flags(member, CHFL_VOICE))
801      {
802 <      p += (n = ircsprintf(p, "=%d", support->number));
803 <      len += n;
802 >      *p++ = 'v';
803 >      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
804      }
805  
1438    *p++ = ' ';
1439    len++;
806      *p = '\0';
807  
808 <    if (++tokens == (MAXPARA-2) || len >= (sizeof(isupportbuffer)-reserve))
809 <    { /* arbritrary for now */
810 <      if (*--p == ' ')
811 <        *p = '\0';
812 <
813 <      addto_MessageLine(isupportFile, isupportbuffer);
814 <      p = isupportbuffer;
815 <      len = 0;
816 <      n = tokens = 0;
817 <    }
818 <  }
819 <
820 <  if (len != 0)
821 <  {
822 <    if (*--p == ' ')
823 <      *p = '\0';
824 <    addto_MessageLine(isupportFile, isupportbuffer);
825 <  }
808 >    sendto_channel_local(target_p, member->chptr, 0, CAP_EXTENDED_JOIN, CAP_CHGHOST, ":%s!%s@%s JOIN %s %s :%s",
809 >                         target_p->name, target_p->username,
810 >                         target_p->host, member->chptr->name,
811 >                         target_p->account, target_p->info);
812 >    sendto_channel_local(target_p, member->chptr, 0, 0, CAP_EXTENDED_JOIN | CAP_CHGHOST, ":%s!%s@%s JOIN :%s",
813 >                         target_p->name, target_p->username,
814 >                         target_p->host, member->chptr->name);
815 >
816 >    if (nickbuf[0])
817 >      sendto_channel_local(target_p, member->chptr, 0, 0, CAP_CHGHOST, ":%s MODE %s +%s %s",
818 >                           target_p->servptr->name, member->chptr->name,
819 >                           modebuf, nickbuf);
820 >  }
821 >
822 >  if (target_p->away[0])
823 >    sendto_common_channels_local(target_p, 0, CAP_AWAY_NOTIFY, CAP_CHGHOST,
824 >                                 ":%s!%s@%s AWAY :%s",
825 >                                 target_p->name, target_p->username,
826 >                                 target_p->host, target_p->away);
827   }

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