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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 4088 by michael, Sat Jun 28 17:36:17 2014 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) 1997-2014 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 18 | Line 17
17   *  along with this program; if not, write to the Free Software
18   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19   *  USA
20 < *
21 < *  $Id$
20 > */
21 >
22 > /*! \file s_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 "irc_string.h"
36 #include "sprintf_irc.h"
37 #include "s_bsd.h"
35   #include "ircd.h"
36   #include "listener.h"
37   #include "motd.h"
38   #include "numeric.h"
39 < #include "s_conf.h"
40 < #include "s_log.h"
41 < #include "s_serv.h"
39 > #include "conf.h"
40 > #include "log.h"
41 > #include "server.h"
42   #include "send.h"
43   #include "supported.h"
47 #include "whowas.h"
44   #include "memory.h"
45   #include "packet.h"
46   #include "rng_mt.h"
47   #include "userhost.h"
48 < #include "hook.h"
49 < #include "s_misc.h"
54 < #include "msg.h"
48 > #include "misc.h"
49 > #include "parse.h"
50   #include "watch.h"
51  
57 unsigned int MaxClientCount     = 1;
58 unsigned int MaxConnectionCount = 1;
59 struct Callback *entering_umode_cb = NULL;
60 struct Callback *umode_cb = NULL;
61
52   static char umode_buffer[IRCD_BUFSIZE];
63
64 static void user_welcome(struct Client *);
65 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 *);
53   static const char *uid_get(void);
54  
55   /* Used for building up the isupport string,
56   * used with init_isupport, add_isupport, delete_isupport
57   */
58 <
74 < struct Isupport
58 > struct Isupport
59   {
60    dlink_node node;
61    char *name;
# Line 79 | Line 63 | struct Isupport
63    int number;
64   };
65  
66 < static dlink_list support_list = { NULL, NULL, 0 };
67 < MessageFile *isupportFile;
66 > static dlink_list support_list;
67 > static dlink_list support_list_lines;
68  
69   /* memory is cheap. map 0-255 to equivalent mode */
70 < unsigned int user_modes[256] =
70 > const unsigned int user_modes[256] =
71   {
72    /* 0x00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x0F */
73    /* 0x10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x1F */
# Line 92 | Line 76 | unsigned int user_modes[256] =
76    0,                  /* @ */
77    0,                  /* A */
78    0,                  /* B */
79 <  UMODE_CCONN_FULL,   /* C */
79 >  0,                  /* C */
80    UMODE_DEAF,         /* D */
81    0,                  /* E */
82 <  0,                  /* F */
82 >  UMODE_FARCONNECT,   /* F */
83    UMODE_SOFTCALLERID, /* G */
84 <  0,                  /* H */
84 >  UMODE_HIDDEN,       /* H */
85    0,                  /* I */
86    0,                  /* J */
87    0,                  /* K */
# Line 107 | Line 91 | unsigned int user_modes[256] =
91    0,                  /* O */
92    0,                  /* P */
93    0,                  /* Q */
94 <  0,                  /* R */
95 <  0,                  /* S */
94 >  UMODE_REGONLY,      /* R */
95 >  UMODE_SSL,          /* S */
96    0,                  /* T */
97    0,                  /* U */
98    0,                  /* V */
99 <  0,                  /* W */
99 >  UMODE_WEBIRC,       /* W */
100    0,                  /* X */
101    0,                  /* Y */
102    0,                  /* Z 0x5A */
103 <  0, 0, 0, 0, 0,      /* 0x5F   */
103 >  0, 0, 0, 0, 0,      /* 0x5F   */
104    0,                  /* 0x60   */
105    UMODE_ADMIN,        /* a */
106    UMODE_BOTS,         /* b */
107    UMODE_CCONN,        /* c */
108    UMODE_DEBUG,        /* d */
109 <  0,                  /* e */
109 >  UMODE_EXTERNAL,     /* e */
110    UMODE_FULL,         /* f */
111    UMODE_CALLERID,     /* g */
112    0,                  /* h */
113    UMODE_INVISIBLE,    /* i */
114 <  0,                  /* j */
114 >  UMODE_REJ,          /* j */
115    UMODE_SKILL,        /* k */
116    UMODE_LOCOPS,       /* l */
117    0,                  /* m */
118    UMODE_NCHANGE,      /* n */
119    UMODE_OPER,         /* o */
120 <  0,                  /* p */
121 <  0,                  /* q */
122 <  UMODE_REJ,          /* r */
120 >  UMODE_HIDECHANS,    /* p */
121 >  UMODE_HIDEIDLE,     /* q */
122 >  UMODE_REGISTERED,   /* r */
123    UMODE_SERVNOTICE,   /* s */
124    0,                  /* t */
125    UMODE_UNAUTH,       /* u */
126    0,                  /* v */
127    UMODE_WALLOP,       /* w */
128 <  UMODE_EXTERNAL,     /* x */
128 >  UMODE_HIDDENHOST,   /* x */
129    UMODE_SPY,          /* y */
130 <  UMODE_OPERWALL,     /* z      0x7A */
130 >  0,                  /* z      0x7A */
131    0,0,0,0,0,          /* 0x7B - 0x7F */
132  
133    /* 0x80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x8F */
# Line 176 | Line 160 | assemble_umode_buffer(void)
160   * side effects - display to client user counts etc.
161   */
162   void
163 < show_lusers(struct Client *source_p)
163 > show_lusers(struct Client *source_p)
164   {
165 <  const char *from, *to;
165 >  if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
166 >    sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total-Count.invisi),
167 >                       Count.invisi, dlink_list_length(&global_serv_list));
168 >  else
169 >    sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT,
170 >                       (Count.total - Count.invisi), Count.invisi, 1);
171  
172 <  if (!MyConnect(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
172 >  if (Count.oper)
173 >    sendto_one_numeric(source_p, &me, RPL_LUSEROP, Count.oper);
174 >
175 >  if (dlink_list_length(&unknown_list))
176 >    sendto_one_numeric(source_p, &me, RPL_LUSERUNKNOWN, dlink_list_length(&unknown_list));
177 >
178 >  if (dlink_list_length(&channel_list))
179 >    sendto_one_numeric(source_p, &me, RPL_LUSERCHANNELS, dlink_list_length(&channel_list));
180 >
181 >  if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
182    {
183 <    from = me.id;
184 <    to = source_p->id;
183 >    sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.local, Count.myserver);
184 >    sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.local, Count.max_loc);
185    }
186    else
187    {
188 <    from = me.name;
189 <    to = source_p->name;
188 >    sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.total, 0);
189 >    sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.total, Count.max_tot);
190    }
191  
192 <  if (!ConfigServerHide.hide_servers || IsOper(source_p))
195 <    sendto_one(source_p, form_str(RPL_LUSERCLIENT),
196 <               from, to, (Count.total-Count.invisi),
197 <               Count.invisi, dlink_list_length(&global_serv_list));
198 <  else
199 <    sendto_one(source_p, form_str(RPL_LUSERCLIENT), from, to,
200 <               (Count.total-Count.invisi), Count.invisi, 1);
192 >  sendto_one_numeric(source_p, &me, RPL_GLOBALUSERS, Count.total, Count.max_tot);
193  
194 <  if (Count.oper > 0)
195 <    sendto_one(source_p, form_str(RPL_LUSEROP),
196 <               from, to, Count.oper);
205 <
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);
221 <  }
222 <  else
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);
194 >  if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
195 >    sendto_one_numeric(source_p, &me, RPL_STATSCONN, Count.max_loc_con,
196 >                       Count.max_loc_cli, Count.totalrestartcount);
197  
198 <  if (Count.local > MaxClientCount)
199 <    MaxClientCount = Count.local;
198 >  if (Count.local > Count.max_loc_cli)
199 >    Count.max_loc_cli = Count.local;
200  
201 <  if ((Count.local + Count.myserver) > MaxConnectionCount)
202 <    MaxConnectionCount = Count.local + Count.myserver;
201 >  if ((Count.local + Count.myserver) > Count.max_loc_con)
202 >    Count.max_loc_con = Count.local + Count.myserver;
203   }
204  
205   /* show_isupport()
# Line 250 | Line 209 | show_lusers(struct Client *source_p)
209   * side effects - display to client what we support (for them)
210   */
211   void
212 < show_isupport(struct Client *source_p)
212 > show_isupport(struct Client *source_p)
213   {
214 <  send_message_file(source_p, isupportFile);
214 >  const dlink_node *ptr = NULL;
215 >
216 >  DLINK_FOREACH(ptr, support_list_lines.head)
217 >    sendto_one_numeric(source_p, &me, RPL_ISUPPORT, ptr->data);
218   }
219  
220 < /*
221 < ** register_local_user
222 < **      This function is called when both NICK and USER messages
223 < **      have been accepted for the client, in whatever order. Only
224 < **      after this, is the USER message propagated.
225 < **
226 < **      NICK's must be propagated at once when received, although
227 < **      it would be better to delay them too until full info is
228 < **      available. Doing it is not so simple though, would have
229 < **      to implement the following:
230 < **
231 < **      (actually it has been implemented already for a while) -orabidoo
232 < **
233 < **      1) user telnets in and gives only "NICK foobar" and waits
234 < **      2) another user far away logs in normally with the nick
235 < **         "foobar" (quite legal, as this server didn't propagate
236 < **         it).
237 < **      3) now this server gets nick "foobar" from outside, but
238 < **         has alread the same defined locally. Current server
239 < **         would just issue "KILL foobar" to clean out dups. But,
240 < **         this is not fair. It should actually request another
241 < **         nick from local user or kill him/her...
242 < */
220 >
221 > /* report_and_set_user_flags()
222 > *
223 > * inputs       - pointer to source_p
224 > *              - pointer to conf for this user
225 > * output       - NONE
226 > * side effects - Report to user any special flags
227 > *                they are getting, and set them.
228 > */
229 > static void
230 > report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
231 > {
232 >  /* If this user is being spoofed, tell them so */
233 >  if (IsConfDoSpoofIp(conf))
234 >    sendto_one_notice(source_p, &me, ":*** Spoofing your IP. Congrats.");
235 >
236 >  /* If this user is in the exception class, Set it "E lined" */
237 >  if (IsConfExemptKline(conf))
238 >  {
239 >    SetExemptKline(source_p);
240 >    sendto_one_notice(source_p, &me, ":*** You are exempt from K/D/G lines. Congrats.");
241 >  }
242 >
243 >  /*
244 >   * The else here is to make sure that G line exempt users
245 >   * do not get noticed twice.
246 >   */
247 >  else if (IsConfExemptGline(conf))
248 >  {
249 >    SetExemptGline(source_p);
250 >    sendto_one_notice(source_p, &me, ":*** You are exempt from G lines. Congrats.");
251 >  }
252 >
253 >  if (IsConfExemptResv(conf))
254 >  {
255 >    SetExemptResv(source_p);
256 >    sendto_one_notice(source_p, &me, ":*** You are exempt from resvs. Congrats.");
257 >  }
258 >
259 >  /* If this user is exempt from user limits set it "F lined" */
260 >  if (IsConfExemptLimits(conf))
261 >  {
262 >    SetExemptLimits(source_p);
263 >    sendto_one_notice(source_p, &me, ":*** You are exempt from user limits. Congrats.");
264 >  }
265 >
266 >  if (IsConfCanFlood(conf))
267 >  {
268 >    SetCanFlood(source_p);
269 >    sendto_one_notice(source_p, &me, ":*** You are exempt from flood "
270 >                      "protection, aren't you fearsome.");
271 >  }
272 > }
273 >
274 > /* introduce_client()
275 > *
276 > * inputs       - source_p
277 > * output       - NONE
278 > * side effects - This common function introduces a client to the rest
279 > *                of the net, either from a local client connect or
280 > *                from a remote connect.
281 > */
282 > static void
283 > introduce_client(struct Client *source_p)
284 > {
285 >  dlink_node *ptr = NULL;
286 >  char ubuf[IRCD_BUFSIZE] = "";
287 >
288 >  if (MyClient(source_p))
289 >    send_umode(source_p, source_p, 0, ubuf);
290 >  else
291 >    send_umode(NULL, source_p, 0, ubuf);
292 >
293 >  watch_check_hash(source_p, RPL_LOGON);
294 >
295 >  if (ubuf[0] == '\0')
296 >  {
297 >    ubuf[0] = '+';
298 >    ubuf[1] = '\0';
299 >  }
300 >
301 >  DLINK_FOREACH(ptr, serv_list.head)
302 >  {
303 >    struct Client *server = ptr->data;
304 >
305 >    if (server == source_p->from)
306 >      continue;
307 >
308 >    if (IsCapable(server, CAP_SVS))
309 >      sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s %s :%s",
310 >                 source_p->servptr->id,
311 >                 source_p->name, source_p->hopcount+1,
312 >                 (unsigned long)source_p->tsinfo,
313 >                 ubuf, source_p->username, source_p->host,
314 >                 (MyClient(source_p) && IsIPSpoof(source_p)) ?
315 >                 "0" : source_p->sockhost, source_p->id,
316 >                 source_p->svid,
317 >                 source_p->info);
318 >    else
319 >      sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s :%s",
320 >                 source_p->servptr->id,
321 >                 source_p->name, source_p->hopcount+1,
322 >                 (unsigned long)source_p->tsinfo,
323 >                 ubuf, source_p->username, source_p->host,
324 >                 (MyClient(source_p) && IsIPSpoof(source_p)) ?
325 >                 "0" : source_p->sockhost, source_p->id, source_p->info);
326 >
327 >    if (!EmptyString(source_p->certfp))
328 >      sendto_one(server, ":%s CERTFP %s", source_p->id, source_p->certfp);
329 >  }
330 > }
331 >
332 > /* user_welcome()
333 > *
334 > * inputs       - client pointer to client to welcome
335 > * output       - NONE
336 > * side effects -
337 > */
338 > static void
339 > user_welcome(struct Client *source_p)
340 > {
341 > #if defined(__TIME__) && defined(__DATE__)
342 >  static const char built_date[] = __DATE__ " at " __TIME__;
343 > #else
344 >  static const char built_date[] = "unknown";
345 > #endif
346 >
347 > #ifdef HAVE_LIBCRYPTO
348 >  if (HasFlag(source_p, FLAGS_SSL))
349 >  {
350 >    AddUMode(source_p, UMODE_SSL);
351 >    sendto_one_notice(source_p, &me, ":*** Connected securely via %s",
352 >                      ssl_get_cipher(source_p->localClient->fd.ssl));
353 >  }
354 > #endif
355 >
356 >  sendto_one_numeric(source_p, &me, RPL_WELCOME, ServerInfo.network_name,
357 >                     source_p->name);
358 >  sendto_one_numeric(source_p, &me, RPL_YOURHOST,
359 >                     get_listener_name(source_p->localClient->listener), ircd_version);
360 >  sendto_one_numeric(source_p, &me, RPL_CREATED, built_date);
361 >  sendto_one_numeric(source_p, &me, RPL_MYINFO, me.name, ircd_version, umode_buffer);
362 >  show_isupport(source_p);
363 >
364 >  if (source_p->id[0])
365 >    sendto_one_numeric(source_p, &me, RPL_YOURID, source_p->id);
366 >
367 >  show_lusers(source_p);
368 >  motd_signon(source_p);
369 > }
370 >
371 > /* check_xline()
372 > *
373 > * inputs       - pointer to client to test
374 > * outupt       - 1 if exiting 0 if ok
375 > * side effects -
376 > */
377 > static int
378 > check_xline(struct Client *source_p)
379 > {
380 >  struct MaskItem *conf = NULL;
381 >  const char *reason = NULL;
382 >
383 >  if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)))
384 >  {
385 >    ++conf->count;
386 >
387 >    if (conf->reason)
388 >      reason = conf->reason;
389 >    else
390 >      reason = CONF_NOREASON;
391 >
392 >    sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
393 >                         "X-line Rejecting [%s] [%s], user %s [%s]",
394 >                         source_p->info, reason,
395 >                         get_client_name(source_p, HIDE_IP),
396 >                         source_p->sockhost);
397 >
398 >    ++ServerStats.is_ref;
399 >    exit_client(source_p, "Bad user info");
400 >    return 1;
401 >  }
402 >
403 >  return 0;
404 > }
405 >
406 > /*! \brief This function is called when both NICK and USER messages
407 > *      have been accepted for the client, in whatever order. Only
408 > *      after this, is the UID message propagated.
409 > * \param source_p Pointer to given client to introduce
410 > */
411   void
412   register_local_user(struct Client *source_p)
413   {
414    const char *id = NULL;
415 <  const struct AccessItem *aconf = NULL;
286 <  dlink_node *ptr = NULL;
287 <  dlink_node *m = NULL;
415 >  const struct MaskItem *conf = NULL;
416  
289  assert(source_p != NULL);
417    assert(source_p == source_p->from);
418    assert(MyConnect(source_p));
419    assert(!source_p->localClient->registration);
# Line 295 | Line 422 | register_local_user(struct Client *sourc
422  
423    if (ConfigFileEntry.ping_cookie)
424    {
425 <    if (!IsPingSent(source_p) && source_p->localClient->random_ping == 0)
425 >    if (!IsPingSent(source_p) && !source_p->localClient->random_ping)
426      {
427        do
428          source_p->localClient->random_ping = genrand_int32();
# Line 311 | Line 438 | register_local_user(struct Client *sourc
438        return;
439    }
440  
441 <  source_p->localClient->last = CurrentTime;
441 >  source_p->localClient->last_privmsg = CurrentTime;
442    /* Straight up the maximum rate of flooding... */
443    source_p->localClient->allow_read = MAX_FLOOD_BURST;
444  
445 <  if (!execute_callback(client_check_cb, source_p, source_p->username))
445 >  if (!check_client(source_p))
446      return;
447  
448 <  if (valid_hostname(source_p->host) == 0)
448 >  if (!valid_hostname(source_p->host))
449    {
450 <    sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You have an illegal "
451 <               "character in your hostname", me.name, source_p->name);
450 >    sendto_one_notice(source_p, &me, ":*** Notice -- You have an illegal "
451 >                      "character in your hostname");
452      strlcpy(source_p->host, source_p->sockhost,
453              sizeof(source_p->host));
454    }
455  
456 <  ptr   = source_p->localClient->confs.head;
330 <  aconf = map_to_conf(ptr->data);
456 >  conf = source_p->localClient->confs.head->data;
457  
458    if (!IsGotId(source_p))
459    {
460 <    char username[USERLEN + 1];
460 >    char username[USERLEN + 1] = "";
461      const char *p = username;
462      unsigned int i = 0;
463  
464 <    if (IsNeedIdentd(aconf))
464 >    if (IsNeedIdentd(conf))
465      {
466        ++ServerStats.is_ref;
467 <      sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You need to install "
468 <                 "identd to use this server", me.name, source_p->name);
469 <      exit_client(source_p, &me, "Install identd");
467 >      sendto_one_notice(source_p, &me, ":*** Notice -- You need to install "
468 >                        "identd to use this server");
469 >      exit_client(source_p, "Install identd");
470        return;
471      }
472  
473      strlcpy(username, source_p->username, sizeof(username));
474  
475 <    if (!IsNoTilde(aconf))
475 >    if (!IsNoTilde(conf))
476        source_p->username[i++] = '~';
477  
478      for (; *p && i < USERLEN; ++p)
# Line 356 | Line 482 | register_local_user(struct Client *sourc
482      source_p->username[i] = '\0';
483    }
484  
485 <  /* password check */
486 <  if (!EmptyString(aconf->passwd))
485 >  /* Password check */
486 >  if (!EmptyString(conf->passwd))
487    {
488 <    const char *pass = source_p->localClient->passwd;
363 <
364 <    if (!match_conf_password(pass, aconf))
488 >    if (!match_conf_password(source_p->localClient->passwd, conf))
489      {
490        ++ServerStats.is_ref;
491 <      sendto_one(source_p, form_str(ERR_PASSWDMISMATCH),
492 <                 me.name, source_p->name);
493 <      exit_client(source_p, &me, "Bad Password");
491 >
492 >      sendto_one_numeric(source_p, &me, ERR_PASSWDMISMATCH);
493 >      exit_client(source_p, "Bad Password");
494        return;
495      }
496    }
497  
498 <  /* don't free source_p->localClient->passwd here - it can be required
498 >  /*
499 >   * Don't free source_p->localClient->passwd here - it can be required
500     * by masked /stats I if there are auth{} blocks with need_password = no;
501     * --adx
502     */
503  
504 <  /* report if user has &^>= etc. and set flags as needed in source_p */
505 <  report_and_set_user_flags(source_p, aconf);
504 >  /*
505 >   * Report if user has &^>= etc. and set flags as needed in source_p
506 >   */
507 >  report_and_set_user_flags(source_p, conf);
508  
509    if (IsDead(source_p))
510      return;
511  
512 <  /* Limit clients -
512 >  /*
513 >   * Limit clients -
514     * We want to be able to have servers and F-line clients
515     * connect, so save room for "buffer" connections.
516     * Smaller servers may want to decrease this, and it should
517     * probably be just a percentage of the MAXCLIENTS...
518     *   -Taner
519     */
392  /* Except "F:" clients */
520    if ((Count.local >= ServerInfo.max_clients + MAX_BUFFER) ||
521        (Count.local >= ServerInfo.max_clients && !IsExemptLimits(source_p)))
522    {
523 <    sendto_realops_flags(UMODE_FULL, L_ALL,
523 >    sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
524                           "Too many clients, rejecting %s[%s].",
525                           source_p->name, source_p->host);
526      ++ServerStats.is_ref;
527 <    exit_client(source_p, &me, "Sorry, server is full - try later");
527 >    exit_client(source_p, "Sorry, server is full - try later");
528      return;
529    }
530  
531 <  /* valid user name check */
405 <  if (valid_username(source_p->username) == 0)
531 >  if (!valid_username(source_p->username, 1))
532    {
533 <    char tmpstr2[IRCD_BUFSIZE];
533 >    char buf[IRCD_BUFSIZE] = "";
534  
535 <    sendto_realops_flags(UMODE_REJ, L_ALL, "Invalid username: %s (%s@%s)",
535 >    sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
536 >                         "Invalid username: %s (%s@%s)",
537                           source_p->name, source_p->username, source_p->host);
538      ++ServerStats.is_ref;
539 <    snprintf(tmpstr2, sizeof(tmpstr2), "Invalid username [%s]",
540 <             source_p->username);
414 <    exit_client(source_p, &me, tmpstr2);
539 >    snprintf(buf, sizeof(buf), "Invalid username [%s]", source_p->username);
540 >    exit_client(source_p, buf);
541      return;
542    }
543  
544    if (check_xline(source_p))
545      return;
546  
547 <  while (hash_find_id((id = uid_get())) != NULL)
547 >  while (hash_find_id((id = uid_get())))
548      ;
549  
550    strlcpy(source_p->id, id, sizeof(source_p->id));
551    hash_add_id(source_p);
552  
553 <  sendto_realops_flags(UMODE_CCONN, L_ALL,
554 <                       "Client connecting: %s (%s@%s) [%s] {%s} [%s]",
553 >  sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
554 >                       "Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>",
555                         source_p->name, source_p->username, source_p->host,
556                         ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
557                         "255.255.255.255" : source_p->sockhost,
558 <                       get_client_class(source_p),
559 <                       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 <
558 >                       get_client_class(&source_p->localClient->confs),
559 >                       source_p->info, source_p->id);
560  
561    if (ConfigFileEntry.invisible_on_connect)
562    {
563 <    source_p->umodes |= UMODE_INVISIBLE;
563 >    AddUMode(source_p, UMODE_INVISIBLE);
564      ++Count.invisi;
565    }
566  
567 <  if ((++Count.local) > Count.max_loc)
567 >  if (++Count.local > Count.max_loc)
568    {
569      Count.max_loc = Count.local;
570  
571      if (!(Count.max_loc % 10))
572 <      sendto_realops_flags(UMODE_ALL, L_ALL, "New Max Local Clients: %d",
572 >      sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
573 >                           "New Max Local Clients: %d",
574                             Count.max_loc);
575    }
576  
463  /* Increment our total user count here */
577    if (++Count.total > Count.max_tot)
578      Count.max_tot = Count.total;
579    ++Count.totalrestartcount;
# Line 469 | Line 582 | register_local_user(struct Client *sourc
582    SetClient(source_p);
583    dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
584  
472  source_p->localClient->allow_read = MAX_FLOOD_BURST;
473
585    assert(dlinkFind(&unknown_list, source_p));
586  
587 <  if ((m = dlinkFindDelete(&unknown_list, source_p)) != NULL)
588 <  {
478 <    free_dlink_node(m);
479 <    dlinkAdd(source_p, &source_p->localClient->lclient_node, &local_client_list);
480 <  }
587 >  dlink_move_node(&source_p->localClient->lclient_node,
588 >                  &unknown_list, &local_client_list);
589  
590    user_welcome(source_p);
591    add_user_host(source_p->username, source_p->host, 0);
# Line 492 | Line 600 | register_local_user(struct Client *sourc
600   *              - username to register as
601   *              - host name to register as
602   *              - server name
495 *              - realname (gecos)
603   * output       - NONE
604   * side effects - This function is called when a remote client
605   *                is introduced by a server.
606   */
607   void
608 < register_remote_user(struct Client *source_p,
502 <                     const char *username, const char *host, const char *server,
503 <                     const char *realname)
608 > register_remote_user(struct Client *source_p)
609   {
610    struct Client *target_p = NULL;
611  
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  }
534
612    if ((target_p = source_p->servptr) && target_p->from != source_p->from)
613    {
614 <    sendto_realops_flags(UMODE_DEBUG, L_ALL,
614 >    sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE,
615                           "Bad User [%s] :%s USER %s@%s %s, != %s[%s]",
616                           source_p->from->name, source_p->name, source_p->username,
617                           source_p->host, source_p->servptr->name,
618                           target_p->name, target_p->from->name);
619 <    kill_client(source_p->from, source_p,
620 <                "%s (NICK from wrong direction (%s != %s))",
621 <                me.name, source_p->servptr->name, target_p->from->name);
622 <    SetKilled(source_p);
623 <    exit_client(source_p, &me, "USER server wrong direction");
619 >    sendto_one(source_p->from,
620 >               ":%s KILL %s :%s (NICK from wrong direction (%s != %s))",
621 >               me.id, source_p->id, me.name, source_p->servptr->name,
622 >               target_p->from->name);
623 >
624 >    AddFlag(source_p, FLAGS_KILLED);
625 >    exit_client(source_p, "USER server wrong direction");
626      return;
627    }
628  
629 <  /* Increment our total user count here */
629 >  /*
630 >   * If the nick has been introduced by a services server,
631 >   * make it a service as well.
632 >   */
633 >  if (HasFlag(source_p->servptr, FLAGS_SERVICE))
634 >    AddFlag(source_p, FLAGS_SERVICE);
635 >
636    if (++Count.total > Count.max_tot)
637      Count.max_tot = Count.total;
638  
# Line 556 | Line 641 | register_remote_user(struct Client *sour
641    add_user_host(source_p->username, source_p->host, 1);
642    SetUserHost(source_p);
643  
644 <  introduce_client(source_p);
645 < }
646 <
647 < /* introduce_client()
648 < *
649 < * 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;
644 >  if (HasFlag(source_p->servptr, FLAGS_EOB))
645 >    sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
646 >                         "Client connecting at %s: %s (%s@%s) [%s] <%s>",
647 >                         source_p->servptr->name,
648 >                         source_p->name, source_p->username, source_p->host,
649 >                         source_p->info, source_p->id);
650  
651 <    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 <  }
651 >  introduce_client(source_p);
652   }
653  
654   /* valid_hostname()
# Line 624 | Line 665 | valid_hostname(const char *hostname)
665   {
666    const char *p = hostname;
667  
668 <  assert(p != NULL);
668 >  assert(p);
669  
670 <  if (*p == '.' || *p == ':')
670 >  if (EmptyString(p) || *p == '.' || *p == ':')
671      return 0;
672  
673    for (; *p; ++p)
674      if (!IsHostChar(*p))
675        return 0;
676  
677 <  return 1;
677 >  return p - hostname <= HOSTLEN;
678   }
679  
680   /* valid_username()
# Line 648 | Line 689 | valid_hostname(const char *hostname)
689   * style of username
690   */
691   int
692 < valid_username(const char *username)
692 > valid_username(const char *username, const int local)
693   {
694 <  int dots      = 0;
694 >  unsigned int dots = 0;
695    const char *p = username;
696  
697 <  assert(p != NULL);
697 >  assert(p);
698  
699    if (*p == '~')
700      ++p;
701  
702 <  /* reject usernames that don't start with an alphanum
702 >  /*
703 >   * Reject usernames that don't start with an alphanum
704     * i.e. reject jokers who have '-@somehost' or '.@somehost'
705     * or "-hi-@somehost", "h-----@somehost" would still be accepted.
706     */
707    if (!IsAlNum(*p))
708      return 0;
709  
710 <  while (*++p)
710 >  if (local)
711    {
712 <    if ((*p == '.') && ConfigFileEntry.dots_in_ident)
712 >    while (*++p)
713      {
714 <      if (++dots > ConfigFileEntry.dots_in_ident)
715 <        return 0;
716 <      if (!IsUserChar(*(p + 1)))
714 >      if (*p == '.' && ConfigFileEntry.dots_in_ident)
715 >      {
716 >        if (++dots > ConfigFileEntry.dots_in_ident)
717 >          return 0;
718 >        if (!IsUserChar(*(p + 1)))
719 >          return 0;
720 >      }
721 >      else if (!IsUserChar(*p))
722          return 0;
723      }
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);
724    }
725 <
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);
745 <  }
746 <
747 <  if (IsConfCanFlood(aconf))
725 >  else
726    {
727 <    SetCanFlood(source_p);
728 <    sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from flood "
729 <               "protection, aren't you fearsome.",
752 <               me.name, source_p->name);
727 >    while (*++p)
728 >      if (!IsUserChar(*p))
729 >        return 0;
730    }
754 }
755
756 /* 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);
731  
732 <  if (what == MODE_ADD)
775 <    source_p->umodes |= flag;
776 <  else
777 <    source_p->umodes &= ~flag;
778 <
779 <  return NULL;
732 >  return p - username <= USERLEN;
733   }
734  
735 < /* set_user_mode()
735 > /* clean_nick_name()
736   *
737 < * added 15/10/91 By Darren Reed.
738 < * parv[0] - sender
739 < * parv[1] - username to change mode for
740 < * parv[2] - modes to change
737 > * input        - nickname
738 > *              - whether it's a local nick (1) or remote (0)
739 > * output       - none
740 > * side effects - walks through the nickname, returning 0 if erroneous
741   */
742 < void
743 < set_user_mode(struct Client *client_p, struct Client *source_p,
791 <              int parc, char *parv[])
742 > int
743 > valid_nickname(const char *nickname, const int local)
744   {
745 <  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));
745 >  const char *p = nickname;
746  
747 <  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);
838 <
839 <  /* 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;
747 >  assert(nickname && *nickname);
748  
749    /*
750 <   * compare new flags with old flags and send string which
947 <   * will cause servers to update correctly.
750 >   * Nicks can't start with a digit or - or be 0 length.
751     */
752 <  send_umode_out(client_p, source_p, setflags);
752 >  if (*p == '-' || (IsDigit(*p) && local) || *p == '\0')
753 >    return 0;
754 >
755 >  for (; *p; ++p)
756 >    if (!IsNickChar(*p))
757 >      return 0;
758 >
759 >  return p - nickname <= NICKLEN;
760   }
761  
762   /* send_umode()
# Line 962 | Line 772 | set_user_mode(struct Client *client_p, s
772   */
773   void
774   send_umode(struct Client *client_p, struct Client *source_p,
775 <           unsigned int old, unsigned int sendmask, char *umode_buf)
775 >           unsigned int old, char *umode_buf)
776   {
777    char *m = umode_buf;
778    int what = 0;
969  unsigned int i;
970  unsigned int flag;
779  
780    /*
781 <   * build a string in umode_buf to represent the change in the user's
781 >   * Build a string in umode_buf to represent the change in the user's
782     * mode between the new (source_p->umodes) and 'old'.
783     */
784 <  for (i = 0; i < 128; i++)
784 >  for (unsigned int i = 0; i < 128; ++i)
785    {
786 <    flag = user_modes[i];
979 <    if (!flag)
980 <      continue;
786 >    unsigned int flag = user_modes[i];
787  
788 <    if (MyClient(source_p) && !(flag & sendmask))
788 >    if (!flag)
789        continue;
790  
791 <    if ((flag & old) && !(source_p->umodes & flag))
791 >    if ((flag & old) && !HasUMode(source_p, flag))
792      {
793        if (what == MODE_DEL)
794          *m++ = (char)i;
# Line 993 | Line 799 | send_umode(struct Client *client_p, stru
799          *m++ = (char)i;
800        }
801      }
802 <    else if (!(flag & old) && (source_p->umodes & flag))
802 >    else if (!(flag & old) && HasUMode(source_p, flag))
803      {
804        if (what == MODE_ADD)
805          *m++ = (char)i;
# Line 1024 | Line 830 | void
830   send_umode_out(struct Client *client_p, struct Client *source_p,
831                 unsigned int old)
832   {
833 <  char buf[IRCD_BUFSIZE] = { '\0' };
1028 <  dlink_node *ptr = NULL;
833 >  char buf[IRCD_BUFSIZE] = "";
834  
835 <  send_umode(NULL, source_p, old, IsOperHiddenAdmin(source_p) ?
1031 <             SEND_UMODES & ~UMODE_ADMIN : SEND_UMODES, buf);
835 >  send_umode(NULL, source_p, old, buf);
836  
837    if (buf[0])
838 <  {
839 <    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 <  }
838 >    sendto_server(source_p, NOCAPS, NOCAPS, ":%s MODE %s :%s",
839 >                  source_p->id, source_p->id, buf);
840  
841    if (client_p && MyClient(client_p))
842 <    send_umode(client_p, source_p, old, 0xffffffff, buf);
842 >    send_umode(client_p, source_p, old, buf);
843   }
844  
845 < /* user_welcome()
846 < *
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)
845 > void
846 > user_set_hostmask(struct Client *target_p, const char *hostname, const int what)
847   {
848 < #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
848 >  dlink_node *ptr = NULL;
849  
850 < #ifdef HAVE_LIBCRYPTO
851 <  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
850 >  if (!strcmp(target_p->host, hostname))
851 >    return;
852  
853 <  sendto_one(source_p, form_str(RPL_WELCOME), me.name, source_p->name,
854 <             ServerInfo.network_name, source_p->name);
855 <  sendto_one(source_p, form_str(RPL_YOURHOST), me.name, source_p->name,
856 <             get_listener_name(source_p->localClient->listener), ircd_version);
857 <  sendto_one(source_p, form_str(RPL_CREATED),
858 <             me.name, source_p->name, built_date);
859 <  sendto_one(source_p, form_str(RPL_MYINFO),
860 <             me.name, source_p->name, me.name, ircd_version, umode_buffer);
861 <  show_isupport(source_p);
853 >  switch (what)
854 >  {
855 >    case MODE_ADD:
856 >      AddUMode(target_p, UMODE_HIDDENHOST);
857 >      AddFlag(target_p, FLAGS_IP_SPOOFING);
858 >      break;
859 >    case MODE_DEL:
860 >      DelUMode(target_p, UMODE_HIDDENHOST);
861 >
862 >      if (!HasFlag(target_p, FLAGS_AUTH_SPOOF))
863 >        DelFlag(target_p, FLAGS_IP_SPOOFING);
864 >      break;
865 >    default: return;
866 >  }
867  
868 <  if (source_p->id[0] != '\0')
869 <    sendto_one(source_p, form_str(RPL_YOURID), me.name,
870 <               source_p->name, source_p->id);
868 >  if (ConfigFileEntry.cycle_on_host_change)
869 >    sendto_common_channels_local(target_p, 0, 0, ":%s!%s@%s QUIT :Changing hostname",
870 >                                 target_p->name, target_p->username, target_p->host);
871  
872 <  show_lusers(source_p);
872 >  if (IsUserHostIp(target_p))
873 >    delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));
874  
875 <  if (ConfigFileEntry.short_motd)
875 >  strlcpy(target_p->host, hostname, sizeof(target_p->host));
876 >
877 >  add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
878 >  SetUserHost(target_p);
879 >
880 >  if (MyClient(target_p))
881    {
882 <    sendto_one(source_p, ":%s NOTICE %s :*** Notice -- motd was last changed at %s",
883 <               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);
882 >    sendto_one_numeric(target_p, &me, RPL_NEWHOSTIS, target_p->host);
883 >    clear_ban_cache_client(target_p);
884    }
1103  else  
1104    send_message_file(source_p, &ConfigFileEntry.motd);
1105 }
885  
886 < /* check_xline()
887 < *
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;
886 >  if (!ConfigFileEntry.cycle_on_host_change)
887 >    return;
888  
889 <  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)))
889 >  DLINK_FOREACH(ptr, target_p->channel.head)
890    {
891 <    struct MatchItem *reg = map_to_conf(conf);
892 <
893 <    ++reg->count;
891 >    char modebuf[4], nickbuf[NICKLEN * 3 + 3] = "";
892 >    char *p = modebuf;
893 >    int len = 0;
894 >    const struct Membership *ms = ptr->data;
895  
896 <    if (reg->reason != NULL)
897 <      reason = reg->reason;
898 <    else
899 <      reason = "No Reason";
896 >    if (has_member_flags(ms, CHFL_CHANOP))
897 >    {
898 >      *p++ = 'o';
899 >      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
900 >    }
901  
902 <    sendto_realops_flags(UMODE_REJ, L_ALL,
903 <                         "X-line Rejecting [%s] [%s], user %s [%s]",
904 <                         source_p->info, reason,
905 <                         get_client_name(source_p, HIDE_IP),
906 <                         source_p->sockhost);
902 >    if (has_member_flags(ms, CHFL_HALFOP))
903 >    {
904 >      *p++ = 'h';
905 >      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
906 >    }
907  
908 <    ++ServerStats.is_ref;
1138 <    if (REJECT_HOLD_TIME > 0)
908 >    if (has_member_flags(ms, CHFL_VOICE))
909      {
910 <      sendto_one(source_p, ":%s NOTICE %s :Bad user info",
911 <                 me.name, source_p->name);
1142 <      source_p->localClient->reject_delay = CurrentTime + REJECT_HOLD_TIME;
1143 <      SetCaptured(source_p);
910 >      *p++ = 'v';
911 >      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
912      }
1145    else
1146      exit_client(source_p, &me, "Bad user info");
1147    return 1;
1148  }
913  
914 <  return 0;
1151 < }
914 >    *p = '\0';
915  
916 < /* oper_up()
917 < *
918 < * inputs       - pointer to given client to oper
919 < * output       - NONE
920 < * side effects - Blindly opers up given source_p, using aconf info
921 < *                all checks on passwords have already been done.
922 < *                This could also be used by rsa oper routines.
916 >    sendto_channel_local_butone(target_p, 0, 0, ms->chptr, ":%s!%s@%s JOIN :%s",
917 >                                target_p->name, target_p->username, target_p->host,
918 >                                ms->chptr->chname);
919 >    if (nickbuf[0])
920 >      sendto_channel_local_butone(target_p, 0, 0, ms->chptr, ":%s MODE %s +%s %s",
921 >                                  target_p->servptr->name, ms->chptr->chname,
922 >                                  modebuf, nickbuf);
923 >
924 >  }
925 >
926 >  if (target_p->away[0])
927 >    sendto_common_channels_local(target_p, 0, CAP_AWAY_NOTIFY,
928 >                                 ":%s!%s@%s AWAY :%s",
929 >                                 target_p->name, target_p->username,
930 >                                 target_p->host, target_p->away);
931 > }
932 >
933 > /*! \brief Blindly opers up given source_p, using conf info.
934 > *         All checks on passwords have already been done.
935 > * \param source_p Pointer to given client to oper
936   */
937   void
938   oper_up(struct Client *source_p)
939   {
940 <  unsigned int old = source_p->umodes;
941 <  const char *operprivs = "";
1166 <  const struct AccessItem *oconf = NULL;
940 >  const unsigned int old = source_p->umodes;
941 >  const struct MaskItem *conf = source_p->localClient->confs.head->data;
942  
943    assert(source_p->localClient->confs.head);
1169  oconf = map_to_conf((source_p->localClient->confs.head)->data);
944  
945    ++Count.oper;
946    SetOper(source_p);
947  
948 <  if (oconf->modes)
949 <    source_p->umodes |= oconf->modes;
948 >  if (conf->modes)
949 >    AddUMode(source_p, conf->modes);
950    else if (ConfigFileEntry.oper_umodes)
951 <    source_p->umodes |= ConfigFileEntry.oper_umodes;
1178 <  else
1179 <    source_p->umodes |= (UMODE_SERVNOTICE|UMODE_OPERWALL|
1180 <                         UMODE_WALLOP|UMODE_LOCOPS);
951 >    AddUMode(source_p, ConfigFileEntry.oper_umodes);
952  
953 <  if (!(old & UMODE_INVISIBLE) && IsInvisible(source_p))
953 >  if (!(old & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
954      ++Count.invisi;
955 <  if ((old & UMODE_INVISIBLE) && !IsInvisible(source_p))
955 >  if ((old & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE))
956      --Count.invisi;
957  
958    assert(dlinkFind(&oper_list, source_p) == NULL);
959    dlinkAdd(source_p, make_dlink_node(), &oper_list);
960  
961 <  operprivs = oper_privs_as_string(oconf->port);
961 >  AddOFlag(source_p, conf->port);
962  
963 <  SetOFlag(source_p, oconf->port);
963 >  if (HasOFlag(source_p, OPER_FLAG_ADMIN))
964 >    AddUMode(source_p, UMODE_ADMIN);
965  
966 <  if (IsOperAdmin(source_p) || IsOperHiddenAdmin(source_p))
967 <    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);
966 >  sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, "%s is now an operator",
967 >                       get_oper_name(source_p));
968    send_umode_out(source_p, source_p, old);
969 <  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);
969 >  sendto_one_numeric(source_p, &me, RPL_YOUREOPER);
970   }
971  
972 < static char new_uid[TOTALSIDUID + 1];     /* allow for \0 */
972 > static char new_uid[TOTALSIDUID + 1];  /* Allow for \0 */
973  
974   int
975   valid_sid(const char *sid)
# Line 1220 | Line 984 | valid_sid(const char *sid)
984  
985   /*
986   * init_uid()
987 < *
987 > *
988   * inputs       - NONE
989   * output       - NONE
990   * side effects - new_uid is filled in with server id portion (sid)
# Line 1230 | Line 994 | valid_sid(const char *sid)
994   void
995   init_uid(void)
996   {
1233  int i;
1234
997    memset(new_uid, 0, sizeof(new_uid));
998  
999    if (!EmptyString(ServerInfo.sid))
1000      strlcpy(new_uid, ServerInfo.sid, sizeof(new_uid));
1001  
1002 <  for (i = 0; i < IRC_MAXSID; ++i)
1003 <    if (new_uid[i] == '\0')
1002 >  for (unsigned int i = 0; i < IRC_MAXSID; ++i)
1003 >    if (new_uid[i] == '\0')
1004        new_uid[i] = 'A';
1005  
1006    /* 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   */
1007    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);
1008   }
1009  
1010   /*
# Line 1261 | Line 1016 | init_uid(void)
1016   *                note this is a recursive function
1017   */
1018   static void
1019 < add_one_to_uid(int i)
1019 > add_one_to_uid(unsigned int i)
1020   {
1021 <  if (i != IRC_MAXSID)    /* Not reached server SID portion yet? */
1021 >  if (i != IRC_MAXSID)  /* Not reached server SID portion yet? */
1022    {
1023      if (new_uid[i] == 'Z')
1024        new_uid[i] = '0';
1025      else if (new_uid[i] == '9')
1026      {
1027        new_uid[i] = 'A';
1028 <      add_one_to_uid(i-1);
1028 >      add_one_to_uid(i - 1);
1029      }
1030      else
1031        ++new_uid[i];
# Line 1295 | Line 1050 | add_one_to_uid(int i)
1050   static const char *
1051   uid_get(void)
1052   {
1053 <  add_one_to_uid(TOTALSIDUID - 1);    /* index from 0 */
1053 >  add_one_to_uid(TOTALSIDUID - 1);  /* Index from 0 */
1054    return new_uid;
1055   }
1056  
# Line 1309 | Line 1064 | uid_get(void)
1064   void
1065   init_isupport(void)
1066   {
1312  isupportFile = init_MessageLine();
1313
1067    add_isupport("CALLERID", NULL, -1);
1068    add_isupport("CASEMAPPING", CASEMAP, -1);
1069    add_isupport("DEAF", "D", -1);
1070    add_isupport("KICKLEN", NULL, KICKLEN);
1071    add_isupport("MODES", NULL, MAXMODEPARAMS);
1319  add_isupport("NICKLEN", NULL, NICKLEN-1);
1320 #ifdef HALFOPS
1072    add_isupport("PREFIX", "(ohv)@%+", -1);
1073    add_isupport("STATUSMSG", "@%+", -1);
1074 < #else
1075 <  add_isupport("PREFIX", "(ov)@+", -1);
1325 <  add_isupport("STATUSMSG", "@+", -1);
1326 < #endif
1327 <  add_isupport("TOPICLEN", NULL, TOPICLEN);
1074 >  add_isupport("EXCEPTS", "e", -1);
1075 >  add_isupport("INVEX", "I", -1);
1076   }
1077  
1078   /*
# Line 1340 | Line 1088 | void
1088   add_isupport(const char *name, const char *options, int n)
1089   {
1090    dlink_node *ptr;
1091 <  struct Isupport *support;
1091 >  struct Isupport *support = NULL;
1092  
1093    DLINK_FOREACH(ptr, support_list.head)
1094    {
# Line 1355 | Line 1103 | add_isupport(const char *name, const cha
1103  
1104    if (ptr == NULL)
1105    {
1106 <    support = MyMalloc(sizeof(*support));
1106 >    support = MyCalloc(sizeof(*support));
1107      dlinkAddTail(support, &support->node, &support_list);
1108    }
1109  
1110 <  DupString(support->name, name);
1111 <  if (options != NULL)
1112 <    DupString(support->options, options);
1110 >  support->name = xstrdup(name);
1111 >  if (options)
1112 >    support->options = xstrdup(options);
1113    support->number = n;
1114  
1115    rebuild_isupport_message_line();
# Line 1408 | Line 1156 | rebuild_isupport_message_line(void)
1156   {
1157    char isupportbuffer[IRCD_BUFSIZE];
1158    char *p = isupportbuffer;
1159 <  dlink_node *ptr = NULL;
1159 >  dlink_node *ptr = NULL, *ptr_next = NULL;
1160    int n = 0;
1161    int tokens = 0;
1162    size_t len = 0;
1163 <  size_t reserve = strlen(me.name) + HOSTLEN + strlen(form_str(RPL_ISUPPORT));
1163 >  size_t reserve = strlen(me.name) + HOSTLEN + strlen(numeric_form(RPL_ISUPPORT));
1164  
1165 <  destroy_MessageLine(isupportFile);
1165 >  DLINK_FOREACH_SAFE(ptr, ptr_next, support_list_lines.head)
1166 >  {
1167 >    dlinkDelete(ptr, &support_list_lines);
1168 >    MyFree(ptr->data);
1169 >    free_dlink_node(ptr);
1170 >  }
1171  
1172    DLINK_FOREACH(ptr, support_list.head)
1173    {
1174      struct Isupport *support = ptr->data;
1175  
1176 <    p += (n = ircsprintf(p, "%s", support->name));
1176 >    p += (n = sprintf(p, "%s", support->name));
1177      len += n;
1178  
1179 <    if (support->options != NULL)
1179 >    if (support->options)
1180      {
1181 <      p += (n = ircsprintf(p, "=%s", support->options));
1181 >      p += (n = sprintf(p, "=%s", support->options));
1182        len += n;
1183      }
1184  
1185      if (support->number > 0)
1186      {
1187 <      p += (n = ircsprintf(p, "=%d", support->number));
1187 >      p += (n = sprintf(p, "=%d", support->number));
1188        len += n;
1189      }
1190  
# Line 1444 | Line 1197 | rebuild_isupport_message_line(void)
1197        if (*--p == ' ')
1198          *p = '\0';
1199  
1200 <      addto_MessageLine(isupportFile, isupportbuffer);
1200 >      dlinkAddTail(xstrdup(isupportbuffer), make_dlink_node(), &support_list_lines);
1201        p = isupportbuffer;
1202        len = 0;
1203        n = tokens = 0;
1204      }
1205    }
1206  
1207 <  if (len != 0)
1207 >  if (len)
1208    {
1209      if (*--p == ' ')
1210        *p = '\0';
1211 <    addto_MessageLine(isupportFile, isupportbuffer);
1211 >    dlinkAddTail(xstrdup(isupportbuffer), make_dlink_node(), &support_list_lines);
1212    }
1213   }

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