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root/svn/ircd-hybrid/trunk/src/user.c
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Comparing:
ircd-hybrid/src/s_user.c (file contents), Revision 33 by knight, Sun Oct 2 20:50:00 2005 UTC vs.
ircd-hybrid/trunk/src/s_user.c (file contents), Revision 2231 by michael, Thu Jun 13 20:29:59 2013 UTC

# Line 23 | Line 23
23   */
24  
25   #include "stdinc.h"
26 < #include "tools.h"
26 > #include "list.h"
27   #include "s_user.h"
28   #include "s_misc.h"
29   #include "channel.h"
30   #include "channel_mode.h"
31   #include "client.h"
32 #include "common.h"
32   #include "fdlist.h"
33   #include "hash.h"
34   #include "irc_string.h"
36 #include "sprintf_irc.h"
35   #include "s_bsd.h"
38 #include "irc_getnameinfo.h"
36   #include "ircd.h"
40 #include "list.h"
37   #include "listener.h"
38   #include "motd.h"
39   #include "numeric.h"
40 < #include "s_conf.h"
41 < #include "s_log.h"
40 > #include "conf.h"
41 > #include "log.h"
42   #include "s_serv.h"
47 #include "s_stats.h"
43   #include "send.h"
44   #include "supported.h"
45   #include "whowas.h"
46   #include "memory.h"
47   #include "packet.h"
48 + #include "rng_mt.h"
49   #include "userhost.h"
50   #include "hook.h"
51   #include "s_misc.h"
52 < #include "msg.h"
53 < #include "pcre.h"
58 <
59 < int MaxClientCount     = 1;
60 < int MaxConnectionCount = 1;
61 < struct Callback *entering_umode_cb = NULL;
62 < struct Callback *umode_cb = NULL;
63 < struct Callback *uid_get_cb = NULL;
52 > #include "parse.h"
53 > #include "watch.h"
54  
55   static char umode_buffer[IRCD_BUFSIZE];
56  
57   static void user_welcome(struct Client *);
58 < static void report_and_set_user_flags(struct Client *, const struct AccessItem *);
58 > static void report_and_set_user_flags(struct Client *, const struct MaskItem *);
59   static int check_xline(struct Client *);
60 < static int check_regexp_xline(struct Client *);
61 < static void introduce_client(struct Client *, struct Client *);
72 < static void *uid_get(va_list);
60 > static void introduce_client(struct Client *);
61 > static const char *uid_get(void);
62  
63   /* Used for building up the isupport string,
64   * used with init_isupport, add_isupport, delete_isupport
# Line 83 | Line 72 | struct Isupport
72    int number;
73   };
74  
75 < static dlink_list support_list = { NULL, NULL, 0 };
76 < MessageFile *isupportFile;
75 > static dlink_list support_list;
76 > static dlink_list support_list_lines;
77  
78   /* memory is cheap. map 0-255 to equivalent mode */
79 < unsigned int user_modes[256] =
79 > const unsigned int user_modes[256] =
80   {
81    /* 0x00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x0F */
82    /* 0x10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x1F */
# Line 99 | Line 88 | unsigned int user_modes[256] =
88    0,                  /* C */
89    UMODE_DEAF,         /* D */
90    0,                  /* E */
91 <  0,                  /* F */
91 >  UMODE_FARCONNECT,   /* F */
92    UMODE_SOFTCALLERID, /* G */
93 <  0,                  /* H */
93 >  UMODE_HIDDEN,       /* H */
94    0,                  /* I */
95    0,                  /* J */
96    0,                  /* K */
# Line 111 | Line 100 | unsigned int user_modes[256] =
100    0,                  /* O */
101    0,                  /* P */
102    0,                  /* Q */
103 <  0,                  /* R */
103 >  UMODE_REGONLY,      /* R */
104    0,                  /* S */
105    0,                  /* T */
106    0,                  /* U */
# Line 126 | Line 115 | unsigned int user_modes[256] =
115    UMODE_BOTS,         /* b */
116    UMODE_CCONN,        /* c */
117    UMODE_DEBUG,        /* d */
118 <  0,                  /* e */
118 >  UMODE_EXTERNAL,     /* e */
119    UMODE_FULL,         /* f */
120    UMODE_CALLERID,     /* g */
121    0,                  /* h */
122    UMODE_INVISIBLE,    /* i */
123 <  0,                  /* j */
123 >  UMODE_REJ,          /* j */
124    UMODE_SKILL,        /* k */
125    UMODE_LOCOPS,       /* l */
126    0,                  /* m */
# Line 139 | Line 128 | unsigned int user_modes[256] =
128    UMODE_OPER,         /* o */
129    0,                  /* p */
130    0,                  /* q */
131 <  UMODE_REJ,          /* r */
131 >  UMODE_REGISTERED,   /* r */
132    UMODE_SERVNOTICE,   /* s */
133    0,                  /* t */
134    UMODE_UNAUTH,       /* u */
135    0,                  /* v */
136    UMODE_WALLOP,       /* w */
137 <  UMODE_EXTERNAL,     /* x */
137 >  UMODE_HIDDENHOST,   /* x */
138    UMODE_SPY,          /* y */
139    UMODE_OPERWALL,     /* z      0x7A */
140    0,0,0,0,0,          /* 0x7B - 0x7F */
# Line 166 | Line 155 | assemble_umode_buffer(void)
155    unsigned int idx = 0;
156    char *umode_buffer_ptr = umode_buffer;
157  
158 <  for (; idx < (sizeof(user_modes) / sizeof(int)); ++idx)
158 >  for (; idx < (sizeof(user_modes) / sizeof(user_modes[0])); ++idx)
159      if (user_modes[idx])
160        *umode_buffer_ptr++ = idx;
161  
# Line 195 | Line 184 | show_lusers(struct Client *source_p)
184      to = source_p->name;
185    }
186  
187 <  if (!ConfigServerHide.hide_servers || IsOper(source_p))
187 >  if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
188      sendto_one(source_p, form_str(RPL_LUSERCLIENT),
189                 from, to, (Count.total-Count.invisi),
190                 Count.invisi, dlink_list_length(&global_serv_list));
191    else
192      sendto_one(source_p, form_str(RPL_LUSERCLIENT), from, to,
193 <              (Count.total-Count.invisi), Count.invisi, 1);
193 >               (Count.total-Count.invisi), Count.invisi, 1);
194  
195    if (Count.oper > 0)
196      sendto_one(source_p, form_str(RPL_LUSEROP),
197 <               from, to, Count.oper);
197 >               from, to, Count.oper);
198  
199    if (dlink_list_length(&unknown_list) > 0)
200      sendto_one(source_p, form_str(RPL_LUSERUNKNOWN),
201 <               from, to, dlink_list_length(&unknown_list));
201 >               from, to, dlink_list_length(&unknown_list));
202  
203    if (dlink_list_length(&global_channel_list) > 0)
204      sendto_one(source_p, form_str(RPL_LUSERCHANNELS),
205 <               from, to,
217 <               dlink_list_length(&global_channel_list));
205 >               from, to, dlink_list_length(&global_channel_list));
206  
207 <  if (!ConfigServerHide.hide_servers || IsOper(source_p))
207 >  if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
208    {
209      sendto_one(source_p, form_str(RPL_LUSERME),
210 <               from, to,
223 <               Count.local, Count.myserver);
210 >               from, to, Count.local, Count.myserver);
211      sendto_one(source_p, form_str(RPL_LOCALUSERS),
212 <               from, to, Count.local, Count.max_loc,
226 <               Count.local, Count.max_loc);
212 >               from, to, Count.local, Count.max_loc);
213    }
214    else
215    {
216      sendto_one(source_p, form_str(RPL_LUSERME),
217 <               from, to, Count.total, 0);
217 >               from, to, Count.total, 0);
218      sendto_one(source_p, form_str(RPL_LOCALUSERS),
219 <               from, to, Count.total, Count.max_tot,
234 <               Count.total, Count.max_tot);
219 >               from, to, Count.total, Count.max_tot);
220    }
221  
222    sendto_one(source_p, form_str(RPL_GLOBALUSERS),
223 <             from, to, Count.total, Count.max_tot,
239 <             Count.total, Count.max_tot);
223 >             from, to, Count.total, Count.max_tot);
224  
225 <  if (!ConfigServerHide.hide_servers || IsOper(source_p))
225 >  if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
226      sendto_one(source_p, form_str(RPL_STATSCONN), from, to,
227 <               MaxConnectionCount, MaxClientCount, Count.totalrestartcount);
227 >               Count.max_loc_con, Count.max_loc_cli, Count.totalrestartcount);
228  
229 <  if (Count.local > MaxClientCount)
230 <    MaxClientCount = Count.local;
229 >  if (Count.local > Count.max_loc_cli)
230 >    Count.max_loc_cli = Count.local;
231  
232 <  if ((Count.local + Count.myserver) > MaxConnectionCount)
233 <    MaxConnectionCount = Count.local + Count.myserver;
232 >  if ((Count.local + Count.myserver) > Count.max_loc_con)
233 >    Count.max_loc_con = Count.local + Count.myserver;
234   }
235  
236   /* show_isupport()
# Line 258 | Line 242 | show_lusers(struct Client *source_p)
242   void
243   show_isupport(struct Client *source_p)
244   {
245 <  send_message_file(source_p, isupportFile);
245 >  const dlink_node *ptr = NULL;
246 >
247 >  DLINK_FOREACH(ptr, support_list_lines.head)
248 >    sendto_one(source_p, form_str(RPL_ISUPPORT), me.name,
249 >               source_p->name, ptr->data);
250   }
251  
252   /*
# Line 285 | Line 273 | show_isupport(struct Client *source_p)
273   **         nick from local user or kill him/her...
274   */
275   void
276 < register_local_user(struct Client *client_p, struct Client *source_p,
289 <                    const char *nick, const char *username)
276 > register_local_user(struct Client *source_p)
277   {
278 <  const struct AccessItem *aconf = NULL;
279 <  char ipaddr[HOSTIPLEN];
293 <  dlink_node *ptr;
294 <  dlink_node *m;
278 >  const char *id = NULL;
279 >  const struct MaskItem *conf = NULL;
280  
281    assert(source_p != NULL);
282 +  assert(source_p == source_p->from);
283    assert(MyConnect(source_p));
284 <  assert(source_p->username != username);
284 >  assert(!source_p->localClient->registration);
285 >
286 >  ClearCap(source_p, CAP_TS6);
287  
288    if (ConfigFileEntry.ping_cookie)
289    {
290 <    if (!IsPingSent(source_p) &&
303 <       source_p->localClient->random_ping == 0)
290 >    if (!IsPingSent(source_p) && source_p->localClient->random_ping == 0)
291      {
292 <      source_p->localClient->random_ping = (unsigned long)rand();
293 <      sendto_one(source_p, "PING :%lu",
292 >      do
293 >        source_p->localClient->random_ping = genrand_int32();
294 >      while (!source_p->localClient->random_ping);
295 >
296 >      sendto_one(source_p, "PING :%u",
297                   source_p->localClient->random_ping);
298        SetPingSent(source_p);
299        return;
# Line 313 | Line 303 | register_local_user(struct Client *clien
303        return;
304    }
305  
306 <  source_p->localClient->last = CurrentTime;
306 >  source_p->localClient->last_privmsg = CurrentTime;
307    /* Straight up the maximum rate of flooding... */
308    source_p->localClient->allow_read = MAX_FLOOD_BURST;
309  
310 <  if (!execute_callback(client_check_cb, source_p, username))
310 >  if (!check_client(source_p))
311      return;
312  
313    if (valid_hostname(source_p->host) == 0)
# Line 328 | Line 318 | register_local_user(struct Client *clien
318              sizeof(source_p->host));
319    }
320  
321 <  ptr   = source_p->localClient->confs.head;
332 <  aconf = map_to_conf(ptr->data);
321 >  conf = source_p->localClient->confs.head->data;
322  
323    if (!IsGotId(source_p))
324    {
325 <    const char *p = NULL;
325 >    char username[USERLEN + 1];
326 >    const char *p = username;
327      unsigned int i = 0;
328  
329 <    if (IsNeedIdentd(aconf))
329 >    if (IsNeedIdentd(conf))
330      {
331 <      ServerStats->is_ref++;
331 >      ++ServerStats.is_ref;
332        sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You need to install "
333                   "identd to use this server", me.name, source_p->name);
334        exit_client(source_p, &me, "Install identd");
335        return;
336      }
337  
338 <    p = username;
338 >    strlcpy(username, source_p->username, sizeof(username));
339  
340 <    if (!IsNoTilde(aconf))
340 >    if (!IsNoTilde(conf))
341        source_p->username[i++] = '~';
342  
343 <    while (*p && i < USERLEN)
354 <    {
343 >    for (; *p && i < USERLEN; ++p)
344        if (*p != '[')
345          source_p->username[i++] = *p;
357      p++;
358    }
346  
347      source_p->username[i] = '\0';
348    }
349  
350    /* password check */
351 <  if (!EmptyString(aconf->passwd))
351 >  if (!EmptyString(conf->passwd))
352    {
353      const char *pass = source_p->localClient->passwd;
354  
355 <    if (!match_conf_password(pass, aconf))
355 >    if (!match_conf_password(pass, conf))
356      {
357 <      ServerStats->is_ref++;
357 >      ++ServerStats.is_ref;
358        sendto_one(source_p, form_str(ERR_PASSWDMISMATCH),
359                   me.name, source_p->name);
360        exit_client(source_p, &me, "Bad Password");
# Line 381 | Line 368 | register_local_user(struct Client *clien
368     */
369  
370    /* report if user has &^>= etc. and set flags as needed in source_p */
371 <  report_and_set_user_flags(source_p, aconf);
371 >  report_and_set_user_flags(source_p, conf);
372 >
373 >  if (IsDead(source_p))
374 >    return;
375  
376    /* Limit clients -
377     * We want to be able to have servers and F-line clients
# Line 394 | Line 384 | register_local_user(struct Client *clien
384    if ((Count.local >= ServerInfo.max_clients + MAX_BUFFER) ||
385        (Count.local >= ServerInfo.max_clients && !IsExemptLimits(source_p)))
386    {
387 <    sendto_realops_flags(UMODE_FULL, L_ALL,
387 >    sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
388                           "Too many clients, rejecting %s[%s].",
389 <                         nick, source_p->host);
390 <    ServerStats->is_ref++;
389 >                         source_p->name, source_p->host);
390 >    ++ServerStats.is_ref;
391      exit_client(source_p, &me, "Sorry, server is full - try later");
392      return;
393    }
394  
395    /* valid user name check */
396 <  if (valid_username(source_p->username) == 0)
396 >  if (valid_username(source_p->username, 1) == 0)
397    {
398      char tmpstr2[IRCD_BUFSIZE];
399  
400 <    sendto_realops_flags(UMODE_REJ, L_ALL, "Invalid username: %s (%s@%s)",
401 <                         nick, source_p->username, source_p->host);
402 <    ServerStats->is_ref++;
403 <    ircsprintf(tmpstr2, "Invalid username [%s]", source_p->username);
400 >    sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
401 >                         "Invalid username: %s (%s@%s)",
402 >                         source_p->name, source_p->username, source_p->host);
403 >    ++ServerStats.is_ref;
404 >    snprintf(tmpstr2, sizeof(tmpstr2), "Invalid username [%s]",
405 >             source_p->username);
406      exit_client(source_p, &me, tmpstr2);
407      return;
408    }
409  
410 <  assert(source_p == client_p);
419 <
420 <  /* end of valid user name check */
421 <  if (check_xline(source_p) || check_regexp_xline(source_p))
422 <    return;
423 <
424 <  if (IsDead(client_p))
410 >  if (check_xline(source_p))
411      return;
412  
413 <  if (source_p->id[0] == '\0' && me.id[0])
414 <  {
429 <    char *id = (char *) execute_callback(uid_get_cb, source_p);
430 <    while (hash_find_id(id) != NULL)
431 <      id = uid_get(NULL);
432 <
433 <    strlcpy(source_p->id, id, sizeof(source_p->id));
434 <    hash_add_id(source_p);
435 <  }
413 >  while (hash_find_id((id = uid_get())) != NULL)
414 >    ;
415  
416 <  irc_getnameinfo((struct sockaddr *)&source_p->localClient->ip,
417 <                  source_p->localClient->ip.ss_len, ipaddr,
439 <                  HOSTIPLEN, NULL, 0, NI_NUMERICHOST);
416 >  strlcpy(source_p->id, id, sizeof(source_p->id));
417 >  hash_add_id(source_p);
418  
419 <  sendto_realops_flags(UMODE_CCONN, L_ALL,
420 <                       "Client connecting: %s (%s@%s) [%s] {%s} [%s]",
421 <                       nick, source_p->username, source_p->host,
419 >  sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
420 >                       "Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>",
421 >                       source_p->name, source_p->username, source_p->host,
422                         ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
423 <                       "255.255.255.255" : ipaddr, get_client_class(source_p),
424 <                       source_p->info);
425 <
448 <  /* If they have died in send_* don't do anything. */
449 <  if (IsDead(source_p))
450 <    return;
423 >                       "255.255.255.255" : source_p->sockhost,
424 >                       get_client_class(&source_p->localClient->confs),
425 >                       source_p->info, source_p->id);
426  
427    if (ConfigFileEntry.invisible_on_connect)
428 <    source_p->umodes |= UMODE_INVISIBLE;
429 <  Count.invisi++;
428 >  {
429 >    AddUMode(source_p, UMODE_INVISIBLE);
430 >    ++Count.invisi;
431 >  }
432  
433    if ((++Count.local) > Count.max_loc)
434    {
435      Count.max_loc = Count.local;
436  
437      if (!(Count.max_loc % 10))
438 <      sendto_realops_flags(UMODE_ALL, L_ALL, "New Max Local Clients: %d",
438 >      sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
439 >                           "New Max Local Clients: %d",
440                             Count.max_loc);
441    }
442  
465  SetClient(source_p);
466
467  source_p->servptr = &me;
468  dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->users);
469
443    /* Increment our total user count here */
444    if (++Count.total > Count.max_tot)
445      Count.max_tot = Count.total;
446 <  Count.totalrestartcount++;
446 >  ++Count.totalrestartcount;
447 >
448 >  assert(source_p->servptr == &me);
449 >  SetClient(source_p);
450 >  dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
451  
452    source_p->localClient->allow_read = MAX_FLOOD_BURST;
453  
454 <  if ((m = dlinkFindDelete(&unknown_list, source_p)) != NULL)
455 <  {
456 <    free_dlink_node(m);
457 <    dlinkAdd(source_p, &source_p->localClient->lclient_node, &local_client_list);
481 <  }
482 <  else assert(0);
454 >  assert(dlinkFind(&unknown_list, source_p));
455 >
456 >  dlink_move_node(&source_p->localClient->lclient_node,
457 >                  &unknown_list, &local_client_list);
458  
459    user_welcome(source_p);
460    add_user_host(source_p->username, source_p->host, 0);
461    SetUserHost(source_p);
462  
463 <  introduce_client(client_p, source_p);
463 >  introduce_client(source_p);
464   }
465  
466   /* register_remote_user()
467   *
468 < * inputs       - client_p directly connected client
494 < *              - source_p remote or directly connected client
468 > * inputs       - source_p remote or directly connected client
469   *              - username to register as
470   *              - host name to register as
471   *              - server name
# Line 501 | Line 475 | register_local_user(struct Client *clien
475   *                is introduced by a server.
476   */
477   void
478 < register_remote_user(struct Client *client_p, struct Client *source_p,
479 <                     const char *username, const char *host, const char *server,
480 <                     const char *realname)
478 > register_remote_user(struct Client *source_p,
479 >                     const char *username, const char *host, const char *server,
480 >                     const char *realname)
481   {
482 <  struct Client *target_p;
482 >  struct Client *target_p = NULL;
483  
484    assert(source_p != NULL);
485    assert(source_p->username != username);
486  
487    strlcpy(source_p->host, host, sizeof(source_p->host));
514  strlcpy(source_p->info, realname, sizeof(source_p->info));
488    strlcpy(source_p->username, username, sizeof(source_p->username));
489  
517  /* Increment our total user count here */
518  if (++Count.total > Count.max_tot)
519    Count.max_tot = Count.total;
520
521  source_p->from->serv->dep_users++;
522
490    /*
491     * coming from another server, take the servers word for it
492     */
493 <  source_p->servptr = find_server(server);
493 >  source_p->servptr = hash_find_server(server);
494  
495 <  /* Super GhostDetect:
495 >  /*
496 >   * Super GhostDetect:
497     * If we can't find the server the user is supposed to be on,
498     * then simply blow the user away.        -Taner
499     */
500    if (source_p->servptr == NULL)
501    {
502 <    sendto_realops_flags(UMODE_ALL, L_ALL,
502 >    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
503                           "No server %s for user %s[%s@%s] from %s",
504                           server, source_p->name, source_p->username,
505                           source_p->host, source_p->from->name);
506 <    kill_client(client_p, source_p, "%s (Server doesn't exist)", me.name);
506 >    kill_client(source_p->from, source_p, "%s (Server doesn't exist)", me.name);
507  
508 <    /* XXX */
541 <    SetKilled(source_p);
508 >    AddFlag(source_p, FLAGS_KILLED);
509      exit_client(source_p, &me, "Ghosted Client");
510      return;
511    }
512  
513    if ((target_p = source_p->servptr) && target_p->from != source_p->from)
514    {
515 <    sendto_realops_flags(UMODE_DEBUG, L_ALL,
515 >    sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE,
516                           "Bad User [%s] :%s USER %s@%s %s, != %s[%s]",
517 <                         client_p->name, source_p->name, source_p->username,
517 >                         source_p->from->name, source_p->name, source_p->username,
518                           source_p->host, source_p->servptr->name,
519                           target_p->name, target_p->from->name);
520 <    kill_client(client_p, source_p,
520 >    kill_client(source_p->from, source_p,
521                  "%s (NICK from wrong direction (%s != %s))",
522                  me.name, source_p->servptr->name, target_p->from->name);
523 <    SetKilled(source_p);
523 >    AddFlag(source_p, FLAGS_KILLED);
524      exit_client(source_p, &me, "USER server wrong direction");
525      return;
526    }
527  
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 +  /* Increment our total user count here */
536 +  if (++Count.total > Count.max_tot)
537 +    Count.max_tot = Count.total;
538 +
539    SetClient(source_p);
540 <  dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->users);
540 >  dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
541    add_user_host(source_p->username, source_p->host, 1);
542    SetUserHost(source_p);
543  
544 <  introduce_client(client_p, source_p);
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>",
547 >                         source_p->servptr->name,
548 >                         source_p->name, source_p->username, source_p->host,
549 >                         source_p->info, source_p->id);
550 >
551 >  introduce_client(source_p);
552   }
553  
554   /* introduce_client()
555   *
556 < * inputs       - client_p
572 < *              - source_p
556 > * inputs       - source_p
557   * output       - NONE
558   * side effects - This common function introduces a client to the rest
559   *                of the net, either from a local client connect or
560   *                from a remote connect.
561   */
562   static void
563 < introduce_client(struct Client *client_p, struct Client *source_p)
563 > introduce_client(struct Client *source_p)
564   {
565 <  dlink_node *server_node;
565 >  dlink_node *server_node = NULL;
566    static char ubuf[12];
567  
568    if (MyClient(source_p))
# Line 586 | Line 570 | introduce_client(struct Client *client_p
570    else
571      send_umode(NULL, source_p, 0, SEND_UMODES, ubuf);
572  
573 +  watch_check_hash(source_p, RPL_LOGON);
574 +
575    if (*ubuf == '\0')
576    {
577      ubuf[0] = '+';
578      ubuf[1] = '\0';
579    }
580  
581 <  /* arghhh one could try not introducing new nicks to ll leafs
582 <   * but then you have to introduce them "on the fly" in SJOIN
583 <   * not fun.
598 <   * Its not going to cost much more bandwidth to simply let new
599 <   * nicks just ride on through.
600 <   */
581 >  DLINK_FOREACH(server_node, serv_list.head)
582 >  {
583 >    struct Client *server = server_node->data;
584  
585 <  /* We now introduce nicks "on the fly" in SJOIN anyway --
586 <   * you _need_ to if you aren't going to burst everyone initially.
604 <   *
605 <   * Only send to non CAP_LL servers, unless we're a lazylink leaf,
606 <   * in that case just send it to the uplink.
607 <   * -davidt
608 <   * rewritten to cope with SIDs .. eww eww eww --is
609 <   */
585 >    if (server == source_p->from)
586 >        continue;
587  
588 <  /* XXX THESE NEED A PREFIX!?!?!? */
612 <  if (!ServerInfo.hub && uplink && IsCapable(uplink, CAP_LL) &&
613 <      client_p != uplink)
614 <  {
615 <    if (IsCapable(uplink, CAP_TS6) && HasID(source_p))
588 >    if (IsCapable(server, CAP_SVS))
589      {
590 <      sendto_one(uplink, ":%s UID %s %d %lu %s %s %s %s %s :%s",
591 <                 source_p->servptr->id,
592 <                 source_p->name, source_p->hopcount+1,
593 <                 (unsigned long)source_p->tsinfo,
594 <                 ubuf, source_p->username, source_p->host,
595 <                 ((MyClient(source_p) && !IsIPSpoof(source_p)) ?
596 <                 source_p->sockhost : "0"),
597 <                 source_p->id, source_p->info);
590 >      if (IsCapable(server, CAP_TS6) && HasID(source_p))
591 >        sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s %s :%s",
592 >                   source_p->servptr->id,
593 >                   source_p->name, source_p->hopcount+1,
594 >                   (unsigned long)source_p->tsinfo,
595 >                   ubuf, source_p->username, source_p->host,
596 >                   (MyClient(source_p) && IsIPSpoof(source_p)) ?
597 >                   "0" : source_p->sockhost, source_p->id,
598 >                   source_p->svid,
599 >                   source_p->info);
600 >      else
601 >        sendto_one(server, "NICK %s %d %lu %s %s %s %s %s :%s",
602 >                   source_p->name, source_p->hopcount+1,
603 >                   (unsigned long)source_p->tsinfo,
604 >                   ubuf, source_p->username, source_p->host,
605 >                   source_p->servptr->name, source_p->svid,
606 >                   source_p->info);
607 >
608      }
609      else
610      {
628      sendto_one(uplink, "NICK %s %d %lu %s %s %s %s :%s",
629                 source_p->name, source_p->hopcount+1,
630                 (unsigned long)source_p->tsinfo,
631                 ubuf, source_p->username, source_p->host,
632                 source_p->servptr->name,
633                 source_p->info);
634    }
635  }
636  else
637  {
638    DLINK_FOREACH(server_node, serv_list.head)
639    {
640      struct Client *server = server_node->data;
641
642      if (IsCapable(server, CAP_LL) || server == client_p)
643        continue;
644
611        if (IsCapable(server, CAP_TS6) && HasID(source_p))
612          sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s :%s",
613                     source_p->servptr->id,
614                     source_p->name, source_p->hopcount+1,
615 <                   (unsigned long)source_p->tsinfo,
615 >                   (unsigned long)source_p->tsinfo,
616                     ubuf, source_p->username, source_p->host,
617 <                   ((MyClient(source_p)&&!IsIPSpoof(source_p))?source_p->sockhost:"0"),
618 <                   source_p->id, source_p->info);
617 >                   (MyClient(source_p) && IsIPSpoof(source_p)) ?
618 >                   "0" : source_p->sockhost, source_p->id, source_p->info);
619        else
620          sendto_one(server, "NICK %s %d %lu %s %s %s %s :%s",
621                     source_p->name, source_p->hopcount+1,
622 <                   (unsigned long)source_p->tsinfo,
622 >                   (unsigned long)source_p->tsinfo,
623                     ubuf, source_p->username, source_p->host,
624 <                   source_p->servptr->name,
659 <                   source_p->info);
624 >                   source_p->servptr->name, source_p->info);
625      }
626 +
627 +    if (!EmptyString(source_p->certfp))
628 +      sendto_one(server, ":%s CERTFP %s", ID(source_p), source_p->certfp);
629    }
630   }
631  
# Line 677 | Line 645 | valid_hostname(const char *hostname)
645  
646    assert(p != NULL);
647  
648 <  if (('.' == *p) || (':' == *p))
649 <    return (0);
648 >  if (*p == '.' || *p == ':')
649 >    return 0;
650  
651 <  while (*p)
684 <  {
651 >  for (; *p; ++p)
652      if (!IsHostChar(*p))
653 <      return (0);
687 <    p++;
688 <  }
653 >      return 0;
654  
655 <  return (1);
655 >  return p - hostname <= HOSTLEN;
656   }
657  
658   /* valid_username()
# Line 702 | Line 667 | valid_hostname(const char *hostname)
667   * style of username
668   */
669   int
670 < valid_username(const char *username)
670 > valid_username(const char *username, const int local)
671   {
672    int dots      = 0;
673    const char *p = username;
674  
675    assert(p != NULL);
676  
677 <  if ('~' == *p)
677 >  if (*p == '~')
678      ++p;
679  
680 <  /* reject usernames that don't start with an alphanum
680 >  /*
681 >   * Reject usernames that don't start with an alphanum
682     * i.e. reject jokers who have '-@somehost' or '.@somehost'
683     * or "-hi-@somehost", "h-----@somehost" would still be accepted.
684     */
685    if (!IsAlNum(*p))
686 <    return (0);
686 >    return 0;
687  
688 <  while (*++p)
688 >  if (local)
689    {
690 <    if ((*p == '.') && ConfigFileEntry.dots_in_ident)
690 >    while (*++p)
691      {
692 <      dots++;
693 <
694 <      if (dots > ConfigFileEntry.dots_in_ident)
695 <        return (0);
696 <      if (!IsUserChar(p[1]))
697 <        return (0);
692 >      if ((*p == '.') && ConfigFileEntry.dots_in_ident)
693 >      {
694 >        if (++dots > ConfigFileEntry.dots_in_ident)
695 >          return 0;
696 >        if (!IsUserChar(*(p + 1)))
697 >          return 0;
698 >      }
699 >      else if (!IsUserChar(*p))
700 >        return 0;
701      }
702 <    else if (!IsUserChar(*p))
703 <      return (0);
702 >  }
703 >  else
704 >  {
705 >    while (*++p)
706 >      if (!IsUserChar(*p))
707 >        return 0;
708    }
709  
710 <  return (1);
710 >  return  p - username <= USERLEN;;
711 > }
712 >
713 > /* clean_nick_name()
714 > *
715 > * input        - nickname
716 > *              - whether it's a local nick (1) or remote (0)
717 > * output       - none
718 > * side effects - walks through the nickname, returning 0 if erroneous
719 > */
720 > int
721 > valid_nickname(const char *nickname, const int local)
722 > {
723 >  const char *p = nickname;
724 >  assert(nickname && *nickname);
725 >
726 >  /* nicks can't start with a digit or - or be 0 length */
727 >  /* This closer duplicates behaviour of hybrid-6 */
728 >  if (*p == '-' || (IsDigit(*p) && local) || *p == '\0')
729 >    return 0;
730 >
731 >  for (; *p; ++p)
732 >    if (!IsNickChar(*p))
733 >      return 0;
734 >
735 >  return p - nickname <= NICKLEN;
736   }
737  
738   /* report_and_set_user_flags()
739   *
740   * inputs       - pointer to source_p
741 < *              - pointer to aconf for this user
741 > *              - pointer to conf for this user
742   * output       - NONE
743   * side effects - Report to user any special flags
744   *                they are getting, and set them.
745   */
746   static void
747 < report_and_set_user_flags(struct Client *source_p, const struct AccessItem *aconf)
747 > report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
748   {
749    /* If this user is being spoofed, tell them so */
750 <  if (IsConfDoSpoofIp(aconf))
753 <  {
750 >  if (IsConfDoSpoofIp(conf))
751      sendto_one(source_p,
752 <               ":%s NOTICE %s :*** Spoofing your IP. congrats.",
752 >               ":%s NOTICE %s :*** Spoofing your IP. Congrats.",
753                 me.name, source_p->name);
757  }
754  
755    /* If this user is in the exception class, Set it "E lined" */
756 <  if (IsConfExemptKline(aconf))
756 >  if (IsConfExemptKline(conf))
757    {
758      SetExemptKline(source_p);
759      sendto_one(source_p,
760 <               ":%s NOTICE %s :*** You are exempt from K/D/G lines. congrats.",
760 >               ":%s NOTICE %s :*** You are exempt from K/D/G lines. Congrats.",
761                 me.name, source_p->name);
762    }
763  
764    /* The else here is to make sure that G line exempt users
765     * do not get noticed twice.
766     */
767 <  else if (IsConfExemptGline(aconf))
767 >  else if (IsConfExemptGline(conf))
768    {
769      SetExemptGline(source_p);
770 <    sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from G lines.",
770 >    sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from G lines. Congrats.",
771                 me.name, source_p->name);
772    }
773  
774 <  if (IsConfExemptResv(aconf))
774 >  if (IsConfExemptResv(conf))
775    {
776      SetExemptResv(source_p);
777 <    sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from resvs.",
777 >    sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from resvs. Congrats.",
778                 me.name, source_p->name);
779    }
780  
781    /* If this user is exempt from user limits set it "F lined" */
782 <  if (IsConfExemptLimits(aconf))
782 >  if (IsConfExemptLimits(conf))
783    {
784      SetExemptLimits(source_p);
785      sendto_one(source_p,
786 <               ":%s NOTICE %s :*** You are exempt from user limits. congrats.",
786 >               ":%s NOTICE %s :*** You are exempt from user limits. Congrats.",
787                 me.name,source_p->name);
788    }
789  
790 <  /* If this user is exempt from idle time outs */
795 <  if (IsConfIdlelined(aconf))
796 <  {
797 <    SetIdlelined(source_p);
798 <    sendto_one(source_p,
799 <               ":%s NOTICE %s :*** You are exempt from idle limits. congrats.",
800 <               me.name, source_p->name);
801 <  }
802 <
803 <  if (IsConfCanFlood(aconf))
790 >  if (IsConfCanFlood(conf))
791    {
792      SetCanFlood(source_p);
793      sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from flood "
# Line 809 | Line 796 | report_and_set_user_flags(struct Client
796    }
797   }
798  
812 /* do_local_user()
813 *
814 * inputs       -
815 * output       - NONE
816 * side effects -
817 */
818 void
819 do_local_user(const char *nick, struct Client *client_p, struct Client *source_p,
820              const char *username, const char *host, const char *server,
821              const char *realname)
822 {
823  assert(source_p != NULL);
824  assert(source_p->username != username);
825
826  if (source_p == NULL)
827    return;
828
829  if (!IsUnknown(source_p))
830  {
831    sendto_one(source_p, form_str(ERR_ALREADYREGISTRED),
832               me.name, nick);
833    return;
834  }
835
836  source_p->flags |= FLAGS_GOTUSER;
837
838  /*
839   * don't take the clients word for it, ever
840   */
841  source_p->servptr = &me;
842
843  strlcpy(source_p->info, realname, sizeof(source_p->info));
844
845  if (!IsGotId(source_p))
846  {
847    /* save the username in the client
848     * If you move this you'll break ping cookies..you've been warned
849     */
850    strlcpy(source_p->username, username, sizeof(source_p->username));
851  }
852
853  if (source_p->name[0])
854  {
855    /* NICK already received, now I have USER... */
856    register_local_user(client_p, source_p, source_p->name, username);
857  }
858 }
859
860 /* change_simple_umode()
861 *
862 * this callback can be hooked to allow special handling of
863 * certain usermodes
864 */
865 static void *
866 change_simple_umode(va_list args)
867 {
868  struct Client *source_p;
869  int what;
870  unsigned int flag;
871
872  va_arg(args, struct Client *);
873  source_p = va_arg(args, struct Client *);
874  what = va_arg(args, int);
875  flag = va_arg(args, unsigned int);
876
877  if (what == MODE_ADD)
878    source_p->umodes |= flag;
879  else
880    source_p->umodes &= ~flag;
881
882  return NULL;
883 }
884
799   /* set_user_mode()
800   *
801   * added 15/10/91 By Darren Reed.
# Line 891 | Line 805 | change_simple_umode(va_list args)
805   */
806   void
807   set_user_mode(struct Client *client_p, struct Client *source_p,
808 <              int parc, char *parv[])
808 >              const int parc, char *parv[])
809   {
810    unsigned int flag, setflags;
811    char **p, *m, buf[IRCD_BUFSIZE];
812    struct Client *target_p;
813    int what = MODE_ADD, badflag = 0, i;
814 < #if 0
815 <  /* already covered by m_mode */
816 <  if (parc < 2)
903 <  {
904 <    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
905 <               me.name, source_p->name, "MODE");
906 <    return;
907 <  }
908 < #endif
814 >
815 >  assert(!(parc < 2));
816 >
817    if ((target_p = find_person(client_p, parv[1])) == NULL)
818    {
819      if (MyConnect(source_p))
# Line 914 | Line 822 | set_user_mode(struct Client *client_p, s
822      return;
823    }
824  
825 <  /* Dont know why these were commented out..
918 <   * put them back using new sendto() funcs
919 <   */
920 <  if (IsServer(source_p))
921 <  {
922 <     sendto_realops_flags(UMODE_ALL, L_ADMIN, "*** Mode for User %s from %s",
923 <                          parv[1], source_p->name);
924 <     return;
925 <  }
926 <
927 <  if (source_p != target_p || target_p->from != source_p->from)
825 >  if (source_p != target_p)
826    {
827       sendto_one(source_p, form_str(ERR_USERSDONTMATCH),
828                  me.name, source_p->name);
# Line 937 | Line 835 | set_user_mode(struct Client *client_p, s
835      *m++ = '+';
836  
837      for (i = 0; i < 128; i++)
838 <      if (source_p->umodes & user_modes[i])
838 >      if (HasUMode(source_p, user_modes[i]))
839          *m++ = (char)i;
840      *m = '\0';
841  
# Line 946 | Line 844 | set_user_mode(struct Client *client_p, s
844      return;
845    }
846  
949  execute_callback(entering_umode_cb, client_p, source_p);
950
847    /* find flags already set for user */
848    setflags = source_p->umodes;
849  
# Line 967 | Line 863 | set_user_mode(struct Client *client_p, s
863          case 'o':
864            if (what == MODE_ADD)
865            {
866 <            if (IsServer(client_p) && !IsOper(source_p))
866 >            if (IsServer(client_p) && !HasUMode(source_p, UMODE_OPER))
867              {
868                ++Count.oper;
869                SetOper(source_p);
# Line 978 | Line 874 | set_user_mode(struct Client *client_p, s
874              /* Only decrement the oper counts if an oper to begin with
875               * found by Pat Szuta, Perly , perly@xnet.com
876               */
877 <            if (!IsOper(source_p))
877 >            if (!HasUMode(source_p, UMODE_OPER))
878                break;
879  
880              ClearOper(source_p);
985            source_p->umodes &= ~ConfigFileEntry.oper_only_umodes;
881              Count.oper--;
882  
883              if (MyConnect(source_p))
884              {
885                dlink_node *dm;
886  
887 <              detach_conf(source_p, OPER_TYPE);
888 <              ClearOperFlags(source_p);
887 >              detach_conf(source_p, CONF_OPER);
888 >              ClrOFlag(source_p);
889 >              DelUMode(source_p, ConfigFileEntry.oper_only_umodes);
890  
891                if ((dm = dlinkFindDelete(&oper_list, source_p)) != NULL)
892                  free_dlink_node(dm);
# Line 999 | Line 895 | set_user_mode(struct Client *client_p, s
895  
896            break;
897  
898 <        /* we may not get these,
899 <         * but they shouldnt be in default
1004 <         */
1005 <        case ' ' :
1006 <        case '\n':
1007 <        case '\r':
1008 <        case '\t':
898 >        case 'r':  /* Only services may set +r */
899 >        case 'x':  /* Only services may set +x */
900            break;
901  
902          default:
903            if ((flag = user_modes[(unsigned char)*m]))
904            {
905 <            if (MyConnect(source_p) && !IsOper(source_p) &&
905 >            if (MyConnect(source_p) && !HasUMode(source_p, UMODE_OPER) &&
906                  (ConfigFileEntry.oper_only_umodes & flag))
1016            {
907                badflag = 1;
1018            }
908              else
909 <              execute_callback(umode_cb, client_p, source_p, what, flag);
909 >            {
910 >              if (what == MODE_ADD)
911 >                AddUMode(source_p, flag);
912 >              else
913 >                DelUMode(source_p, flag);
914 >            }
915            }
916            else
917            {
# Line 1034 | Line 928 | set_user_mode(struct Client *client_p, s
928      sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG),
929                 me.name, source_p->name);
930  
931 <  if ((source_p->umodes & UMODE_NCHANGE) && !IsOperN(source_p))
932 <  {
1039 <    sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;",
1040 <               me.name, source_p->name);
1041 <    source_p->umodes &= ~UMODE_NCHANGE; /* only tcm's really need this */
1042 <  }
1043 <
1044 <  if (MyConnect(source_p) && (source_p->umodes & UMODE_ADMIN) &&
1045 <      !IsOperAdmin(source_p) && !IsOperHiddenAdmin(source_p))
931 >  if (MyConnect(source_p) && HasUMode(source_p, UMODE_ADMIN) &&
932 >      !HasOFlag(source_p, OPER_FLAG_ADMIN))
933    {
934      sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;",
935                 me.name, source_p->name);
936 <    source_p->umodes &= ~UMODE_ADMIN;
936 >    DelUMode(source_p, UMODE_ADMIN);
937    }
938  
939 <  if (!(setflags & UMODE_INVISIBLE) && IsInvisible(source_p))
939 >  if (!(setflags & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
940      ++Count.invisi;
941 <  if ((setflags & UMODE_INVISIBLE) && !IsInvisible(source_p))
941 >  if ((setflags & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE))
942      --Count.invisi;
943  
944 <  /* compare new flags with old flags and send string which
944 >  /*
945 >   * compare new flags with old flags and send string which
946     * will cause servers to update correctly.
947     */
948    send_umode_out(client_p, source_p, setflags);
# Line 1063 | Line 951 | set_user_mode(struct Client *client_p, s
951   /* send_umode()
952   * send the MODE string for user (user) to connection client_p
953   * -avalon
954 + *
955 + * inputs       - client_p
956 + *              - source_p
957 + *              - int old
958 + *              - sendmask mask of modes to send
959 + *              - suplied umode_buf
960 + * output       - NONE
961   */
962   void
963   send_umode(struct Client *client_p, struct Client *source_p,
964             unsigned int old, unsigned int sendmask, char *umode_buf)
965   {
966 +  char *m = umode_buf;
967    int what = 0;
968    unsigned int i;
969    unsigned int flag;
1074  char *m = umode_buf;
970  
971 <  /* build a string in umode_buf to represent the change in the user's
971 >  /*
972 >   * build a string in umode_buf to represent the change in the user's
973     * mode between the new (source_p->umodes) and 'old'.
974     */
975    for (i = 0; i < 128; i++)
# Line 1085 | Line 981 | send_umode(struct Client *client_p, stru
981      if (MyClient(source_p) && !(flag & sendmask))
982        continue;
983  
984 <    if ((flag & old) && !(source_p->umodes & flag))
984 >    if ((flag & old) && !HasUMode(source_p, flag))
985      {
986        if (what == MODE_DEL)
987          *m++ = (char)i;
# Line 1096 | Line 992 | send_umode(struct Client *client_p, stru
992          *m++ = (char)i;
993        }
994      }
995 <    else if (!(flag & old) && (source_p->umodes & flag))
995 >    else if (!(flag & old) && HasUMode(source_p, flag))
996      {
997        if (what == MODE_ADD)
998          *m++ = (char)i;
# Line 1112 | Line 1008 | send_umode(struct Client *client_p, stru
1008    *m = '\0';
1009  
1010    if (*umode_buf && client_p)
1011 <    sendto_one(client_p, ":%s MODE %s :%s",
1012 <               source_p->name, source_p->name, umode_buf);
1011 >    sendto_one(client_p, ":%s!%s@%s MODE %s :%s",
1012 >               source_p->name, source_p->username,
1013 >               source_p->host, source_p->name, umode_buf);
1014   }
1015  
1016   /* send_umode_out()
# Line 1126 | Line 1023 | void
1023   send_umode_out(struct Client *client_p, struct Client *source_p,
1024                 unsigned int old)
1025   {
1026 <  char buf[IRCD_BUFSIZE];
1026 >  char buf[IRCD_BUFSIZE] = { '\0' };
1027    dlink_node *ptr = NULL;
1028  
1029 <  send_umode(NULL, source_p, old, IsOperHiddenAdmin(source_p) ?
1133 <             SEND_UMODES & ~UMODE_ADMIN : SEND_UMODES, buf);
1029 >  send_umode(NULL, source_p, old, SEND_UMODES, buf);
1030  
1031 <  if (*buf)
1031 >  if (buf[0])
1032    {
1033      DLINK_FOREACH(ptr, serv_list.head)
1034      {
1035        struct Client *target_p = ptr->data;
1036  
1037        if ((target_p != client_p) && (target_p != source_p))
1038 <      {
1039 <        if ((!(ServerInfo.hub && IsCapable(target_p, CAP_LL))) ||
1040 <            (target_p->localClient->serverMask &
1145 <             source_p->lazyLinkClientExists))
1146 <          sendto_one(target_p, ":%s MODE %s :%s",
1147 <                     ID_or_name(source_p, target_p),
1148 <                     ID_or_name(source_p, target_p), buf);
1149 <      }
1038 >        sendto_one(target_p, ":%s MODE %s :%s",
1039 >                   ID_or_name(source_p, target_p),
1040 >                   ID_or_name(source_p, target_p), buf);
1041      }
1042    }
1043  
# Line 1154 | Line 1045 | send_umode_out(struct Client *client_p,
1045      send_umode(client_p, source_p, old, 0xffffffff, buf);
1046   }
1047  
1048 + void
1049 + user_set_hostmask(struct Client *target_p, const char *hostname, const int what)
1050 + {
1051 +  dlink_node *ptr = NULL;
1052 +
1053 +  if (!strcmp(target_p->host, hostname))
1054 +    return;
1055 +
1056 +  switch (what)
1057 +  {
1058 +    case MODE_ADD:
1059 +      AddUMode(target_p, UMODE_HIDDENHOST);
1060 +      AddFlag(target_p, FLAGS_IP_SPOOFING);
1061 +      break;
1062 +    case MODE_DEL:
1063 +      DelUMode(target_p, UMODE_HIDDENHOST);
1064 +
1065 +      if (!HasFlag(target_p, FLAGS_AUTH_SPOOF))
1066 +        DelFlag(target_p, FLAGS_IP_SPOOFING);
1067 +      break;
1068 +    default: return;
1069 +  }
1070 +
1071 +  sendto_common_channels_local(target_p, 0, 0, ":%s!%s@%s QUIT :Changing hostname",
1072 +                               target_p->name, target_p->username, target_p->host);
1073 +
1074 +  if (IsUserHostIp(target_p))
1075 +    delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));
1076 +
1077 +  strlcpy(target_p->host, hostname, sizeof(target_p->host));
1078 +
1079 +  add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
1080 +  SetUserHost(target_p);
1081 +
1082 +  if (MyClient(target_p))
1083 +  {
1084 +    sendto_one(target_p, form_str(RPL_NEWHOSTIS), me.name,
1085 +               target_p->name, target_p->host);
1086 +    clear_ban_cache_client(target_p);
1087 +  }
1088 +
1089 +  DLINK_FOREACH(ptr, target_p->channel.head)
1090 +  {
1091 +    char modebuf[4], nickbuf[NICKLEN * 3 + 3] = { '\0' };
1092 +    char *p = modebuf;
1093 +    int len = 0;
1094 +    const struct Membership *ms = ptr->data;
1095 +
1096 +    if (has_member_flags(ms, CHFL_CHANOP)) {
1097 +      *p++ = 'o';
1098 +      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
1099 +    }
1100 +
1101 +    if (has_member_flags(ms, CHFL_HALFOP)) {
1102 +      *p++ = 'h';
1103 +      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
1104 +    }
1105 +
1106 +    if (has_member_flags(ms, CHFL_VOICE)) {
1107 +      *p++ = 'v';
1108 +      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
1109 +    }
1110 +
1111 +    *p = '\0';
1112 +
1113 +    sendto_channel_local_butone(target_p, 0, 0, ms->chptr, ":%s!%s@%s JOIN :%s",
1114 +                                target_p->name, target_p->username, target_p->host,
1115 +                                ms->chptr->chname);
1116 +    if (nickbuf[0])
1117 +      sendto_channel_local_butone(target_p, 0, 0, ms->chptr, ":%s MODE %s +%s %s",
1118 +                                  target_p->servptr->name, ms->chptr->chname,
1119 +                                  modebuf, nickbuf);
1120 +
1121 +  }
1122 +
1123 +  if (target_p->away[0])
1124 +    sendto_common_channels_local(target_p, 0, CAP_AWAY_NOTIFY,
1125 +                                 ":%s!%s@%s AWAY :%s",
1126 +                                 target_p->name, target_p->username,
1127 +                                 target_p->host, target_p->away);
1128 + }
1129 +
1130   /* user_welcome()
1131   *
1132   * inputs       - client pointer to client to welcome
# Line 1179 | Line 1152 | user_welcome(struct Client *source_p)
1152    sendto_one(source_p, form_str(RPL_WELCOME), me.name, source_p->name,
1153               ServerInfo.network_name, source_p->name);
1154    sendto_one(source_p, form_str(RPL_YOURHOST), me.name, source_p->name,
1155 <             get_listener_name(source_p->localClient->listener), ircd_version);
1155 >             get_listener_name(source_p->localClient->listener), ircd_version);
1156    sendto_one(source_p, form_str(RPL_CREATED),
1157 <             me.name, source_p->name, built_date);
1157 >             me.name, source_p->name, built_date);
1158    sendto_one(source_p, form_str(RPL_MYINFO),
1159               me.name, source_p->name, me.name, ircd_version, umode_buffer);
1160    show_isupport(source_p);
# Line 1191 | Line 1164 | user_welcome(struct Client *source_p)
1164                 source_p->name, source_p->id);
1165  
1166    show_lusers(source_p);
1167 <
1195 <  if (ConfigFileEntry.short_motd)
1196 <  {
1197 <    sendto_one(source_p, "NOTICE %s :*** Notice -- motd was last changed at %s",
1198 <               source_p->name, ConfigFileEntry.motd.lastChangedDate);
1199 <    sendto_one(source_p,
1200 <               "NOTICE %s :*** Notice -- Please read the motd if you haven't "
1201 <               "read it", source_p->name);
1202 <    sendto_one(source_p, form_str(RPL_MOTDSTART),
1203 <               me.name, source_p->name, me.name);
1204 <    sendto_one(source_p, form_str(RPL_MOTD),
1205 <               me.name, source_p->name,
1206 <               "*** This is the short motd ***");
1207 <    sendto_one(source_p, form_str(RPL_ENDOFMOTD),
1208 <               me.name, source_p->name);
1209 <  }
1210 <  else  
1211 <    send_message_file(source_p, &ConfigFileEntry.motd);
1167 >  motd_signon(source_p);
1168   }
1169  
1170   /* check_xline()
# Line 1220 | Line 1176 | user_welcome(struct Client *source_p)
1176   static int
1177   check_xline(struct Client *source_p)
1178   {
1179 <  struct ConfItem *conf;
1224 <  struct MatchItem *xconf;
1225 <  const char *reason;
1226 <
1227 <  if ((conf = find_matching_name_conf(XLINE_TYPE, source_p->info,
1228 <                                      NULL, NULL, 0)) != NULL)
1229 <  {
1230 <    xconf = map_to_conf(conf);
1231 <    xconf->count++;
1232 <
1233 <    if (xconf->reason != NULL)
1234 <      reason = xconf->reason;
1235 <    else
1236 <      reason = "No Reason";
1237 <
1238 <    sendto_realops_flags(UMODE_REJ, L_ALL,
1239 <                         "X-line Rejecting [%s] [%s], user %s [%s]",
1240 <                         source_p->info, reason,
1241 <                         get_client_name(source_p, HIDE_IP),
1242 <                         source_p->sockhost);
1243 <
1244 <    ServerStats->is_ref++;      
1245 <    if(REJECT_HOLD_TIME > 0)
1246 <    {
1247 <      sendto_one(source_p, ":%s NOTICE %s :Bad user info",
1248 <                 me.name, source_p->name);
1249 <      source_p->localClient->reject_delay = CurrentTime + REJECT_HOLD_TIME;
1250 <      SetCaptured(source_p);
1251 <    }
1252 <    else
1253 <      exit_client(source_p, &me, "Bad user info");
1254 <    return 1;
1255 <  }
1256 <
1257 <  return 0;
1258 < }
1259 <
1260 < static int
1261 < check_regexp_xline(struct Client *source_p)
1262 < {
1263 <  struct ConfItem *conf = NULL;
1179 >  struct MaskItem *conf = NULL;
1180    const char *reason = NULL;
1181  
1182 <  if ((conf = find_matching_name_conf(RXLINE_TYPE, source_p->info, NULL, NULL, 0)))
1182 >  if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)))
1183    {
1184 <    struct MatchItem *reg = map_to_conf(conf);
1184 >    ++conf->count;
1185  
1186 <    ++reg->count;
1187 <
1272 <    if (reg->reason != NULL)
1273 <      reason = reg->reason;
1186 >    if (conf->reason != NULL)
1187 >      reason = conf->reason;
1188      else
1189        reason = "No Reason";
1190  
1191 <    sendto_realops_flags(UMODE_REJ, L_ALL,
1192 <                         "X-line (REGEX) Rejecting [%s] [%s], user %s [%s]",
1191 >    sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
1192 >                         "X-line Rejecting [%s] [%s], user %s [%s]",
1193                           source_p->info, reason,
1194                           get_client_name(source_p, HIDE_IP),
1195                           source_p->sockhost);
1196  
1197 <    ServerStats->is_ref++;
1197 >    ++ServerStats.is_ref;
1198      exit_client(source_p, &me, "Bad user info");
1199      return 1;
1200    }
# Line 1292 | Line 1206 | check_regexp_xline(struct Client *source
1206   *
1207   * inputs       - pointer to given client to oper
1208   * output       - NONE
1209 < * side effects - Blindly opers up given source_p, using aconf info
1209 > * side effects - Blindly opers up given source_p, using conf info
1210   *                all checks on passwords have already been done.
1211   *                This could also be used by rsa oper routines.
1212   */
1213   void
1214   oper_up(struct Client *source_p)
1215   {
1216 <  unsigned int old = source_p->umodes;
1217 <  const char *operprivs = "";
1218 <  struct AccessItem *oconf;
1216 >  const unsigned int old = source_p->umodes;
1217 >  const struct MaskItem *conf = source_p->localClient->confs.head->data;
1218 >
1219 >  assert(source_p->localClient->confs.head);
1220  
1221 +  ++Count.oper;
1222    SetOper(source_p);
1223  
1224 <  if (ConfigFileEntry.oper_umodes)
1225 <    source_p->umodes |= ConfigFileEntry.oper_umodes;
1226 <  else
1227 <    source_p->umodes |= (UMODE_SERVNOTICE|UMODE_OPERWALL|
1312 <                         UMODE_WALLOP|UMODE_LOCOPS);
1224 >  if (conf->modes)
1225 >    AddUMode(source_p, conf->modes);
1226 >  else if (ConfigFileEntry.oper_umodes)
1227 >    AddUMode(source_p, ConfigFileEntry.oper_umodes);
1228  
1229 <  Count.oper++;
1229 >  if (!(old & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
1230 >    ++Count.invisi;
1231 >  if ((old & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE))
1232 >    --Count.invisi;
1233  
1234    assert(dlinkFind(&oper_list, source_p) == NULL);
1235    dlinkAdd(source_p, make_dlink_node(), &oper_list);
1236  
1237 <  assert(source_p->localClient->confs.head);
1320 <  oconf = map_to_conf((source_p->localClient->confs.head)->data);
1321 <  operprivs = oper_privs_as_string(oconf->port);
1322 <
1323 <  SetOFlag(source_p, oconf->port);
1237 >  AddOFlag(source_p, conf->port);
1238  
1239 <  if (IsOperAdmin(source_p) || IsOperHiddenAdmin(source_p))
1240 <    source_p->umodes |= UMODE_ADMIN;
1327 <  if (!IsOperN(source_p))
1328 <    source_p->umodes &= ~UMODE_NCHANGE;
1239 >  if (HasOFlag(source_p, OPER_FLAG_ADMIN))
1240 >    AddUMode(source_p, UMODE_ADMIN);
1241  
1242 <  sendto_realops_flags(UMODE_ALL, L_ALL, "%s (%s@%s) is now an operator",
1243 <                       source_p->name, source_p->username, source_p->host);
1242 >  sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, "%s is now an operator",
1243 >                       get_oper_name(source_p));
1244    send_umode_out(source_p, source_p, old);
1245    sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name);
1334  sendto_one(source_p, ":%s NOTICE %s :*** Oper privs are %s",
1335             me.name, source_p->name, operprivs);
1336  send_message_file(source_p, &ConfigFileEntry.opermotd);
1246   }
1247  
1248 < /*
1340 < * Quick and dirty UID code for new proposed SID on EFnet
1341 < *
1342 < */
1248 > static char new_uid[TOTALSIDUID + 1];     /* allow for \0 */
1249  
1250 < static char new_uid[TOTALSIDUID+1];     /* allow for \0 */
1251 < static void add_one_to_uid(int i);
1250 > int
1251 > valid_sid(const char *sid)
1252 > {
1253 >  if (strlen(sid) == IRC_MAXSID)
1254 >    if (IsDigit(*sid))
1255 >      if (IsAlNum(*(sid + 1)) && IsAlNum(*(sid + 2)))
1256 >        return 1;
1257 >
1258 >  return 0;
1259 > }
1260  
1261   /*
1262   * init_uid()
# Line 1356 | Line 1270 | static void add_one_to_uid(int i);
1270   void
1271   init_uid(void)
1272   {
1273 <  int i;
1273 >  unsigned int i;
1274  
1275    memset(new_uid, 0, sizeof(new_uid));
1276  
1277 <  if (ServerInfo.sid != NULL)
1278 <  {
1365 <    memcpy(new_uid, ServerInfo.sid, IRCD_MIN(strlen(ServerInfo.sid),
1366 <                                             IRC_MAXSID));
1367 <    memcpy(&me.id, ServerInfo.sid, IRCD_MIN(strlen(ServerInfo.sid),
1368 <                                             IRC_MAXSID));
1369 <    hash_add_id(&me);
1370 <  }
1277 >  if (!EmptyString(ServerInfo.sid))
1278 >    strlcpy(new_uid, ServerInfo.sid, sizeof(new_uid));
1279  
1280 <  for (i = 0; i < IRC_MAXSID; i++)
1280 >  for (i = 0; i < IRC_MAXSID; ++i)
1281      if (new_uid[i] == '\0')
1282        new_uid[i] = 'A';
1283  
1284 <  /* XXX if IRC_MAXUID != 6, this will have to be rewritten */
1284 >  /* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1285    /* Yes nenolod, I have known it was off by one ever since I wrote it
1286     * But *JUST* for you, though, it really doesn't look as *pretty*
1287     * -Dianora
1288     */
1289 <  memcpy(new_uid+IRC_MAXSID, "AAAAA@", IRC_MAXUID);
1382 <
1383 <  entering_umode_cb = register_callback("entering_umode", NULL);
1384 <  umode_cb = register_callback("changing_umode", change_simple_umode);
1385 <  uid_get_cb = register_callback("uid_get", uid_get);
1386 < }
1387 <
1388 < /*
1389 < * uid_get
1390 < *
1391 < * inputs       - struct Client *
1392 < * output       - new UID is returned to caller
1393 < * side effects - new_uid is incremented by one.
1394 < */
1395 < static void *
1396 < uid_get(va_list args)
1397 < {
1398 <  add_one_to_uid(TOTALSIDUID-1);        /* index from 0 */
1399 <  return ((void *) new_uid);
1289 >  memcpy(new_uid + IRC_MAXSID, "AAAAA@", IRC_MAXUID);
1290   }
1291  
1292   /*
# Line 1410 | Line 1300 | uid_get(va_list args)
1300   static void
1301   add_one_to_uid(int i)
1302   {
1303 <  if (i != IRC_MAXSID)          /* Not reached server SID portion yet? */
1303 >  if (i != IRC_MAXSID)    /* Not reached server SID portion yet? */
1304    {
1305      if (new_uid[i] == 'Z')
1306        new_uid[i] = '0';
# Line 1419 | Line 1309 | add_one_to_uid(int i)
1309        new_uid[i] = 'A';
1310        add_one_to_uid(i-1);
1311      }
1312 <    else new_uid[i] = new_uid[i] + 1;
1312 >    else
1313 >      ++new_uid[i];
1314    }
1315    else
1316    {
1317 <    /* XXX if IRC_MAXUID != 6, this will have to be rewritten */
1317 >    /* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1318      if (new_uid[i] == 'Z')
1319 <      memcpy(new_uid+IRC_MAXSID, "AAAAAA", IRC_MAXUID);
1319 >      memcpy(new_uid + IRC_MAXSID, "AAAAAA", IRC_MAXUID);
1320      else
1321 <      new_uid[i] = new_uid[i] + 1;
1321 >      ++new_uid[i];
1322    }
1323   }
1324  
1325   /*
1326 + * uid_get
1327 + *
1328 + * inputs       - struct Client *
1329 + * output       - new UID is returned to caller
1330 + * side effects - new_uid is incremented by one.
1331 + */
1332 + static const char *
1333 + uid_get(void)
1334 + {
1335 +  add_one_to_uid(TOTALSIDUID - 1);    /* index from 0 */
1336 +  return new_uid;
1337 + }
1338 +
1339 + /*
1340   * init_isupport()
1341   *
1342   * input        - NONE
# Line 1441 | Line 1346 | add_one_to_uid(int i)
1346   void
1347   init_isupport(void)
1348   {
1444  isupportFile = init_MessageLine();
1445
1349    add_isupport("CALLERID", NULL, -1);
1350    add_isupport("CASEMAPPING", CASEMAP, -1);
1351 +  add_isupport("DEAF", "D", -1);
1352    add_isupport("KICKLEN", NULL, KICKLEN);
1353    add_isupport("MODES", NULL, MAXMODEPARAMS);
1450  add_isupport("NICKLEN", NULL, NICKLEN-1);
1354   #ifdef HALFOPS
1355    add_isupport("PREFIX", "(ohv)@%+", -1);
1356    add_isupport("STATUSMSG", "@%+", -1);
# Line 1455 | Line 1358 | init_isupport(void)
1358    add_isupport("PREFIX", "(ov)@+", -1);
1359    add_isupport("STATUSMSG", "@+", -1);
1360   #endif
1361 <  add_isupport("TOPICLEN", NULL, TOPICLEN);
1361 >  add_isupport("EXCEPTS", "e", -1);
1362 >  add_isupport("INVEX", "I", -1);
1363   }
1364  
1365   /*
# Line 1490 | Line 1394 | add_isupport(const char *name, const cha
1394      dlinkAddTail(support, &support->node, &support_list);
1395    }
1396  
1397 <  DupString(support->name, name);
1397 >  support->name = xstrdup(name);
1398    if (options != NULL)
1399 <    DupString(support->options, options);
1399 >    support->options = xstrdup(options);
1400    support->number = n;
1401  
1402    rebuild_isupport_message_line();
# Line 1539 | Line 1443 | rebuild_isupport_message_line(void)
1443   {
1444    char isupportbuffer[IRCD_BUFSIZE];
1445    char *p = isupportbuffer;
1446 <  dlink_node *ptr = NULL;
1446 >  dlink_node *ptr = NULL, *ptr_next = NULL;
1447    int n = 0;
1448    int tokens = 0;
1449    size_t len = 0;
1450    size_t reserve = strlen(me.name) + HOSTLEN + strlen(form_str(RPL_ISUPPORT));
1451  
1452 <  destroy_MessageLine(isupportFile);
1452 >  DLINK_FOREACH_SAFE(ptr, ptr_next, support_list_lines.head)
1453 >  {
1454 >    dlinkDelete(ptr, &support_list_lines);
1455 >    MyFree(ptr->data);
1456 >    free_dlink_node(ptr);
1457 >  }
1458  
1459    DLINK_FOREACH(ptr, support_list.head)
1460    {
1461      struct Isupport *support = ptr->data;
1462  
1463 <    p += (n = ircsprintf(p, "%s", support->name));
1463 >    p += (n = sprintf(p, "%s", support->name));
1464      len += n;
1465  
1466      if (support->options != NULL)
1467      {
1468 <      p += (n = ircsprintf(p, "=%s", support->options));
1468 >      p += (n = sprintf(p, "=%s", support->options));
1469        len += n;
1470      }
1471  
1472      if (support->number > 0)
1473      {
1474 <      p += (n = ircsprintf(p, "=%d", support->number));
1474 >      p += (n = sprintf(p, "=%d", support->number));
1475        len += n;
1476      }
1477  
# Line 1573 | Line 1482 | rebuild_isupport_message_line(void)
1482      if (++tokens == (MAXPARA-2) || len >= (sizeof(isupportbuffer)-reserve))
1483      { /* arbritrary for now */
1484        if (*--p == ' ')
1485 <        *p = '\0';
1485 >        *p = '\0';
1486  
1487 <      addto_MessageLine(isupportFile, isupportbuffer);
1487 >      dlinkAddTail(xstrdup(isupportbuffer), make_dlink_node(), &support_list_lines);
1488        p = isupportbuffer;
1489        len = 0;
1490        n = tokens = 0;
# Line 1586 | Line 1495 | rebuild_isupport_message_line(void)
1495    {
1496      if (*--p == ' ')
1497        *p = '\0';
1498 <    addto_MessageLine(isupportFile, isupportbuffer);
1498 >    dlinkAddTail(xstrdup(isupportbuffer), make_dlink_node(), &support_list_lines);
1499    }
1500   }

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