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root/svn/ircd-hybrid/trunk/src/user.c
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Comparing:
ircd-hybrid/trunk/src/s_user.c (file contents), Revision 1818 by michael, Fri Apr 12 11:02:33 2013 UTC vs.
ircd-hybrid/trunk/src/user.c (file contents), Revision 5784 by michael, Sun Apr 5 15:17:11 2015 UTC

# Line 1 | Line 1
1   /*
2 < *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 < *  s_user.c: User related functions.
2 > *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3   *
4 < *  Copyright (C) 2002 by the past and present ircd coders, and others.
4 > *  Copyright (c) 1997-2015 ircd-hybrid development team
5   *
6   *  This program is free software; you can redistribute it and/or modify
7   *  it under the terms of the GNU General Public License as published by
# Line 16 | Line 15
15   *
16   *  You should have received a copy of the GNU General Public License
17   *  along with this program; if not, write to the Free Software
18 < *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
18 > *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19   *  USA
20 < *
21 < *  $Id$
20 > */
21 >
22 > /*! \file user.c
23 > * \brief User related functions.
24 > * \version $Id$
25   */
26  
27   #include "stdinc.h"
28   #include "list.h"
29 < #include "s_user.h"
28 < #include "s_misc.h"
29 > #include "user.h"
30   #include "channel.h"
31   #include "channel_mode.h"
32   #include "client.h"
32 #include "fdlist.h"
33   #include "hash.h"
34   #include "irc_string.h"
35 #include "s_bsd.h"
35   #include "ircd.h"
36   #include "listener.h"
37   #include "motd.h"
38   #include "numeric.h"
39   #include "conf.h"
40   #include "log.h"
41 < #include "s_serv.h"
41 > #include "server.h"
42   #include "send.h"
44 #include "supported.h"
45 #include "whowas.h"
43   #include "memory.h"
44   #include "packet.h"
45   #include "rng_mt.h"
46   #include "userhost.h"
47 < #include "hook.h"
51 < #include "s_misc.h"
47 > #include "misc.h"
48   #include "parse.h"
49   #include "watch.h"
50  
55
56 struct Callback *entering_umode_cb = NULL;
57 struct Callback *umode_cb = NULL;
58
51   static char umode_buffer[IRCD_BUFSIZE];
60
61 static void user_welcome(struct Client *);
62 static void report_and_set_user_flags(struct Client *, const struct MaskItem *);
63 static int check_xline(struct Client *);
64 static void introduce_client(struct Client *);
52   static const char *uid_get(void);
53  
54   /* Used for building up the isupport string,
55   * used with init_isupport, add_isupport, delete_isupport
56   */
57 <
71 < struct Isupport
57 > struct Isupport
58   {
59    dlink_node node;
60    char *name;
# Line 76 | Line 62 | struct Isupport
62    int number;
63   };
64  
65 < static dlink_list support_list = { NULL, NULL, 0 };
66 < MessageFile *isupportFile;
65 > static dlink_list support_list;
66 > static dlink_list support_list_lines;
67  
68 < /* memory is cheap. map 0-255 to equivalent mode */
69 < unsigned int user_modes[256] =
68 > const struct user_modes *umode_map[256];
69 > const struct user_modes  umode_tab[] =
70   {
71 <  /* 0x00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x0F */
72 <  /* 0x10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x1F */
73 <  /* 0x20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x2F */
74 <  /* 0x30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x3F */
75 <  0,                  /* @ */
76 <  0,                  /* A */
77 <  0,                  /* B */
78 <  UMODE_CCONN_FULL,   /* C */
79 <  UMODE_DEAF,         /* D */
80 <  0,                  /* E */
81 <  0,                  /* F */
82 <  UMODE_SOFTCALLERID, /* G */
83 <  UMODE_HIDDEN,       /* H */
84 <  0,                  /* I */
85 <  0,                  /* J */
86 <  0,                  /* K */
87 <  0,                  /* L */
88 <  0,                  /* M */
89 <  0,                  /* N */
90 <  0,                  /* O */
91 <  0,                  /* P */
92 <  0,                  /* Q */
93 <  UMODE_REGONLY,      /* R */
94 <  0,                  /* S */
95 <  0,                  /* T */
96 <  0,                  /* U */
97 <  0,                  /* V */
98 <  0,                  /* W */
99 <  0,                  /* X */
114 <  0,                  /* Y */
115 <  0,                  /* Z 0x5A */
116 <  0, 0, 0, 0, 0,      /* 0x5F   */
117 <  0,                  /* 0x60   */
118 <  UMODE_ADMIN,        /* a */
119 <  UMODE_BOTS,         /* b */
120 <  UMODE_CCONN,        /* c */
121 <  UMODE_DEBUG,        /* d */
122 <  UMODE_EXTERNAL,     /* e */
123 <  UMODE_FULL,         /* f */
124 <  UMODE_CALLERID,     /* g */
125 <  0,                  /* h */
126 <  UMODE_INVISIBLE,    /* i */
127 <  UMODE_REJ,          /* j */
128 <  UMODE_SKILL,        /* k */
129 <  UMODE_LOCOPS,       /* l */
130 <  0,                  /* m */
131 <  UMODE_NCHANGE,      /* n */
132 <  UMODE_OPER,         /* o */
133 <  0,                  /* p */
134 <  0,                  /* q */
135 <  UMODE_REGISTERED,   /* r */
136 <  UMODE_SERVNOTICE,   /* s */
137 <  0,                  /* t */
138 <  UMODE_UNAUTH,       /* u */
139 <  0,                  /* v */
140 <  UMODE_WALLOP,       /* w */
141 <  0,                  /* x */
142 <  UMODE_SPY,          /* y */
143 <  UMODE_OPERWALL,     /* z      0x7A */
144 <  0,0,0,0,0,          /* 0x7B - 0x7F */
145 <
146 <  /* 0x80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x8F */
147 <  /* 0x90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x9F */
148 <  /* 0xA0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xAF */
149 <  /* 0xB0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xBF */
150 <  /* 0xC0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xCF */
151 <  /* 0xD0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xDF */
152 <  /* 0xE0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xEF */
153 <  /* 0xF0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0  /* 0xFF */
71 >  { 'D', UMODE_DEAF         },
72 >  { 'F', UMODE_FARCONNECT   },
73 >  { 'G', UMODE_SOFTCALLERID },
74 >  { 'H', UMODE_HIDDEN       },
75 >  { 'R', UMODE_REGONLY      },
76 >  { 'S', UMODE_SSL          },
77 >  { 'W', UMODE_WEBIRC       },
78 >  { 'a', UMODE_ADMIN        },
79 >  { 'b', UMODE_BOTS         },
80 >  { 'c', UMODE_CCONN        },
81 >  { 'd', UMODE_DEBUG        },
82 >  { 'e', UMODE_EXTERNAL     },
83 >  { 'f', UMODE_FULL         },
84 >  { 'g', UMODE_CALLERID     },
85 >  { 'i', UMODE_INVISIBLE    },
86 >  { 'j', UMODE_REJ          },
87 >  { 'k', UMODE_SKILL        },
88 >  { 'l', UMODE_LOCOPS       },
89 >  { 'n', UMODE_NCHANGE      },
90 >  { 'o', UMODE_OPER         },
91 >  { 'p', UMODE_HIDECHANS    },
92 >  { 'q', UMODE_HIDEIDLE     },
93 >  { 'r', UMODE_REGISTERED   },
94 >  { 's', UMODE_SERVNOTICE   },
95 >  { 'u', UMODE_UNAUTH       },
96 >  { 'w', UMODE_WALLOP       },
97 >  { 'x', UMODE_HIDDENHOST   },
98 >  { 'y', UMODE_SPY          },
99 >  { '\0', 0 }
100   };
101  
102   void
103 < assemble_umode_buffer(void)
103 > user_usermodes_init(void)
104   {
159  unsigned int idx = 0;
105    char *umode_buffer_ptr = umode_buffer;
106  
107 <  for (; idx < (sizeof(user_modes) / sizeof(user_modes[0])); ++idx)
108 <    if (user_modes[idx])
109 <      *umode_buffer_ptr++ = idx;
107 >  for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
108 >  {
109 >    umode_map[tab->c] = tab;
110 >    *umode_buffer_ptr++ = tab->c;
111 >  }
112  
113    *umode_buffer_ptr = '\0';
114   }
# Line 173 | Line 120 | assemble_umode_buffer(void)
120   * side effects - display to client user counts etc.
121   */
122   void
123 < show_lusers(struct Client *source_p)
123 > show_lusers(struct Client *source_p)
124   {
178  const char *from, *to;
179
180  if (!MyConnect(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
181  {
182    from = me.id;
183    to = source_p->id;
184  }
185  else
186  {
187    from = me.name;
188    to = source_p->name;
189  }
190
125    if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
126 <    sendto_one(source_p, form_str(RPL_LUSERCLIENT),
127 <               from, to, (Count.total-Count.invisi),
194 <               Count.invisi, dlink_list_length(&global_serv_list));
126 >    sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total - Count.invisi),
127 >                       Count.invisi, dlink_list_length(&global_server_list));
128    else
129 <    sendto_one(source_p, form_str(RPL_LUSERCLIENT), from, to,
130 <               (Count.total-Count.invisi), Count.invisi, 1);
129 >    sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total - Count.invisi),
130 >                       Count.invisi, 1);
131 >
132 >  if (Count.oper)
133 >    sendto_one_numeric(source_p, &me, RPL_LUSEROP, Count.oper);
134  
135 <  if (Count.oper > 0)
136 <    sendto_one(source_p, form_str(RPL_LUSEROP),
137 <               from, to, Count.oper);
138 <
139 <  if (dlink_list_length(&unknown_list) > 0)
204 <    sendto_one(source_p, form_str(RPL_LUSERUNKNOWN),
205 <               from, to, dlink_list_length(&unknown_list));
206 <
207 <  if (dlink_list_length(&global_channel_list) > 0)
208 <    sendto_one(source_p, form_str(RPL_LUSERCHANNELS),
209 <               from, to, dlink_list_length(&global_channel_list));
135 >  if (dlink_list_length(&unknown_list))
136 >    sendto_one_numeric(source_p, &me, RPL_LUSERUNKNOWN, dlink_list_length(&unknown_list));
137 >
138 >  if (dlink_list_length(&channel_list))
139 >    sendto_one_numeric(source_p, &me, RPL_LUSERCHANNELS, dlink_list_length(&channel_list));
140  
141    if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
142    {
143 <    sendto_one(source_p, form_str(RPL_LUSERME),
144 <               from, to, Count.local, Count.myserver);
215 <    sendto_one(source_p, form_str(RPL_LOCALUSERS),
216 <               from, to, Count.local, Count.max_loc,
217 <               Count.local, Count.max_loc);
143 >    sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.local, Count.myserver);
144 >    sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.local, Count.max_loc);
145    }
146    else
147    {
148 <    sendto_one(source_p, form_str(RPL_LUSERME),
149 <               from, to, Count.total, 0);
223 <    sendto_one(source_p, form_str(RPL_LOCALUSERS),
224 <               from, to, Count.total, Count.max_tot,
225 <               Count.total, Count.max_tot);
148 >    sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.total, 0);
149 >    sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.total, Count.max_tot);
150    }
151  
152 <  sendto_one(source_p, form_str(RPL_GLOBALUSERS),
229 <             from, to, Count.total, Count.max_tot,
230 <             Count.total, Count.max_tot);
152 >  sendto_one_numeric(source_p, &me, RPL_GLOBALUSERS, Count.total, Count.max_tot);
153  
154    if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
155 <    sendto_one(source_p, form_str(RPL_STATSCONN), from, to,
156 <               Count.max_loc_con, Count.max_loc_cli, Count.totalrestartcount);
155 >    sendto_one_numeric(source_p, &me, RPL_STATSCONN, Count.max_loc_con,
156 >                       Count.max_loc_cli, Count.totalrestartcount);
157  
158    if (Count.local > Count.max_loc_cli)
159      Count.max_loc_cli = Count.local;
160  
161    if ((Count.local + Count.myserver) > Count.max_loc_con)
162 <    Count.max_loc_con = Count.local + Count.myserver;
162 >    Count.max_loc_con = Count.local + Count.myserver;
163   }
164  
165   /* show_isupport()
# Line 247 | Line 169 | show_lusers(struct Client *source_p)
169   * side effects - display to client what we support (for them)
170   */
171   void
172 < show_isupport(struct Client *source_p)
172 > show_isupport(struct Client *source_p)
173   {
174 <  send_message_file(source_p, isupportFile);
174 >  const dlink_node *node = NULL;
175 >
176 >  DLINK_FOREACH(node, support_list_lines.head)
177 >    sendto_one_numeric(source_p, &me, RPL_ISUPPORT, node->data);
178   }
179  
180 < /*
181 < ** register_local_user
182 < **      This function is called when both NICK and USER messages
183 < **      have been accepted for the client, in whatever order. Only
184 < **      after this, is the USER message propagated.
185 < **
186 < **      NICK's must be propagated at once when received, although
187 < **      it would be better to delay them too until full info is
188 < **      available. Doing it is not so simple though, would have
189 < **      to implement the following:
190 < **
191 < **      (actually it has been implemented already for a while) -orabidoo
192 < **
193 < **      1) user telnets in and gives only "NICK foobar" and waits
194 < **      2) another user far away logs in normally with the nick
195 < **         "foobar" (quite legal, as this server didn't propagate
196 < **         it).
197 < **      3) now this server gets nick "foobar" from outside, but
198 < **         has alread the same defined locally. Current server
199 < **         would just issue "KILL foobar" to clean out dups. But,
200 < **         this is not fair. It should actually request another
201 < **         nick from local user or kill him/her...
202 < */
180 >
181 > /* report_and_set_user_flags()
182 > *
183 > * inputs       - pointer to source_p
184 > *              - pointer to conf for this user
185 > * output       - NONE
186 > * side effects - Report to user any special flags
187 > *                they are getting, and set them.
188 > */
189 > static void
190 > report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
191 > {
192 >  /* If this user is being spoofed, tell them so */
193 >  if (IsConfDoSpoofIp(conf))
194 >    sendto_one_notice(source_p, &me, ":*** Spoofing your IP. Congrats.");
195 >
196 >  /* If this user is in the exception class, set it "E lined" */
197 >  if (IsConfExemptKline(conf))
198 >  {
199 >    SetExemptKline(source_p);
200 >    sendto_one_notice(source_p, &me, ":*** You are exempt from K/D/G lines. Congrats.");
201 >  }
202 >
203 >  /*
204 >   * The else here is to make sure that G line exempt users
205 >   * do not get noticed twice.
206 >   */
207 >  else if (IsConfExemptGline(conf))
208 >  {
209 >    SetExemptGline(source_p);
210 >    sendto_one_notice(source_p, &me, ":*** You are exempt from G lines. Congrats.");
211 >  }
212 >
213 >  if (IsConfExemptResv(conf))
214 >  {
215 >    SetExemptResv(source_p);
216 >    sendto_one_notice(source_p, &me, ":*** You are exempt from resvs. Congrats.");
217 >  }
218 >
219 >  /* If this user is exempt from user limits set it "F lined" */
220 >  if (IsConfExemptLimits(conf))
221 >  {
222 >    SetExemptLimits(source_p);
223 >    sendto_one_notice(source_p, &me, ":*** You are exempt from user limits. Congrats.");
224 >  }
225 >
226 >  if (IsConfCanFlood(conf))
227 >  {
228 >    SetCanFlood(source_p);
229 >    sendto_one_notice(source_p, &me, ":*** You are exempt from flood "
230 >                      "protection, aren't you fearsome.");
231 >  }
232 > }
233 >
234 > /* introduce_client()
235 > *
236 > * inputs       - source_p
237 > * output       - NONE
238 > * side effects - This common function introduces a client to the rest
239 > *                of the net, either from a local client connect or
240 > *                from a remote connect.
241 > */
242 > static void
243 > introduce_client(struct Client *source_p)
244 > {
245 >  dlink_node *node = NULL;
246 >  char ubuf[IRCD_BUFSIZE] = "";
247 >
248 >  if (MyClient(source_p))
249 >    send_umode(source_p, source_p, 0, ubuf);
250 >  else
251 >    send_umode(NULL, source_p, 0, ubuf);
252 >
253 >  watch_check_hash(source_p, RPL_LOGON);
254 >
255 >  if (ubuf[0] == '\0')
256 >  {
257 >    ubuf[0] = '+';
258 >    ubuf[1] = '\0';
259 >  }
260 >
261 >  DLINK_FOREACH(node, local_server_list.head)
262 >  {
263 >    struct Client *server = node->data;
264 >
265 >    if (server == source_p->from)
266 >      continue;
267 >
268 >    if (IsCapable(server, CAP_SVS))
269 >      sendto_one(server, ":%s UID %s %u %lu %s %s %s %s %s %s :%s",
270 >                 source_p->servptr->id,
271 >                 source_p->name, source_p->hopcount+1,
272 >                 (unsigned long)source_p->tsinfo,
273 >                 ubuf, source_p->username, source_p->host,
274 >                 source_p->sockhost, source_p->id,
275 >                 source_p->account,
276 >                 source_p->info);
277 >    else
278 >      sendto_one(server, ":%s UID %s %u %lu %s %s %s %s %s :%s",
279 >                 source_p->servptr->id,
280 >                 source_p->name, source_p->hopcount+1,
281 >                 (unsigned long)source_p->tsinfo,
282 >                 ubuf, source_p->username, source_p->host,
283 >                 source_p->sockhost, source_p->id, source_p->info);
284 >
285 >    if (!EmptyString(source_p->certfp))
286 >      sendto_one(server, ":%s CERTFP %s", source_p->id, source_p->certfp);
287 >  }
288 > }
289 >
290 > /* user_welcome()
291 > *
292 > * inputs       - client pointer to client to welcome
293 > * output       - NONE
294 > * side effects -
295 > */
296 > static void
297 > user_welcome(struct Client *source_p)
298 > {
299 > #if defined(__TIME__) && defined(__DATE__)
300 >  static const char built_date[] = __DATE__ " at " __TIME__;
301 > #else
302 >  static const char built_date[] = "unknown";
303 > #endif
304 >
305 > #ifdef HAVE_LIBCRYPTO
306 >  if (HasFlag(source_p, FLAGS_SSL))
307 >  {
308 >    AddUMode(source_p, UMODE_SSL);
309 >    sendto_one_notice(source_p, &me, ":*** Connected securely via %s",
310 >                      ssl_get_cipher(source_p->connection->fd.ssl));
311 >  }
312 > #endif
313 >
314 >  sendto_one_numeric(source_p, &me, RPL_WELCOME, ConfigServerInfo.network_name,
315 >                     source_p->name);
316 >  sendto_one_numeric(source_p, &me, RPL_YOURHOST,
317 >                     get_listener_name(source_p->connection->listener), ircd_version);
318 >  sendto_one_numeric(source_p, &me, RPL_CREATED, built_date);
319 >  sendto_one_numeric(source_p, &me, RPL_MYINFO, me.name, ircd_version, umode_buffer);
320 >  show_isupport(source_p);
321 >  sendto_one_numeric(source_p, &me, RPL_YOURID, source_p->id);
322 >
323 >  show_lusers(source_p);
324 >  motd_signon(source_p);
325 > }
326 >
327 > /* check_xline()
328 > *
329 > * inputs       - pointer to client to test
330 > * outupt       - 1 if exiting 0 if ok
331 > * side effects -
332 > */
333 > static int
334 > check_xline(struct Client *source_p)
335 > {
336 >  struct MaskItem *conf = NULL;
337 >
338 >  if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)))
339 >  {
340 >    ++conf->count;
341 >    sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
342 >                         "X-line Rejecting [%s] [%s], user %s [%s]",
343 >                         source_p->info, conf->reason,
344 >                         get_client_name(source_p, HIDE_IP),
345 >                         source_p->sockhost);
346 >
347 >    ++ServerStats.is_ref;
348 >    exit_client(source_p, "Bad user info");
349 >    return 1;
350 >  }
351 >
352 >  return 0;
353 > }
354 >
355 > /*! \brief This function is called when both NICK and USER messages
356 > *      have been accepted for the client, in whatever order. Only
357 > *      after this, is the UID message propagated.
358 > * \param source_p Pointer to given client to introduce
359 > */
360   void
361   register_local_user(struct Client *source_p)
362   {
363    const char *id = NULL;
364    const struct MaskItem *conf = NULL;
365  
284  assert(source_p != NULL);
366    assert(source_p == source_p->from);
367    assert(MyConnect(source_p));
368 <  assert(!source_p->localClient->registration);
368 >  assert(IsUnknown(source_p));
369 >  assert(!source_p->connection->registration);
370  
371 <  ClearCap(source_p, CAP_TS6);
290 <
291 <  if (ConfigFileEntry.ping_cookie)
371 >  if (ConfigGeneral.ping_cookie)
372    {
373 <    if (!IsPingSent(source_p) && source_p->localClient->random_ping == 0)
373 >    if (!IsPingSent(source_p) && !source_p->connection->random_ping)
374      {
375        do
376 <        source_p->localClient->random_ping = genrand_int32();
377 <      while (!source_p->localClient->random_ping);
376 >        source_p->connection->random_ping = genrand_int32();
377 >      while (!source_p->connection->random_ping);
378  
379 <      sendto_one(source_p, "PING :%u",
300 <                 source_p->localClient->random_ping);
379 >      sendto_one(source_p, "PING :%u", source_p->connection->random_ping);
380        SetPingSent(source_p);
381        return;
382      }
# Line 306 | Line 385 | register_local_user(struct Client *sourc
385        return;
386    }
387  
388 <  source_p->localClient->last_privmsg = CurrentTime;
388 >  source_p->connection->last_privmsg = CurrentTime;
389    /* Straight up the maximum rate of flooding... */
390 <  source_p->localClient->allow_read = MAX_FLOOD_BURST;
390 >  source_p->connection->allow_read = MAX_FLOOD_BURST;
391  
392    if (!check_client(source_p))
393      return;
394  
395 <  if (valid_hostname(source_p->host) == 0)
395 >  if (!valid_hostname(source_p->host))
396    {
397 <    sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You have an illegal "
398 <               "character in your hostname", me.name, source_p->name);
399 <    strlcpy(source_p->host, source_p->sockhost,
321 <            sizeof(source_p->host));
397 >    sendto_one_notice(source_p, &me, ":*** Notice -- You have an illegal "
398 >                      "character in your hostname");
399 >    strlcpy(source_p->host, source_p->sockhost, sizeof(source_p->host));
400    }
401  
402 <  conf = source_p->localClient->confs.head->data;
402 >  conf = source_p->connection->confs.head->data;
403  
404    if (!IsGotId(source_p))
405    {
406 <    char username[USERLEN + 1];
406 >    char username[USERLEN + 1] = "";
407      const char *p = username;
408      unsigned int i = 0;
409  
410      if (IsNeedIdentd(conf))
411      {
412        ++ServerStats.is_ref;
413 <      sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You need to install "
414 <                 "identd to use this server", me.name, source_p->name);
415 <      exit_client(source_p, &me, "Install identd");
413 >      sendto_one_notice(source_p, &me, ":*** Notice -- You need to install "
414 >                        "identd to use this server");
415 >      exit_client(source_p, "Install identd");
416        return;
417      }
418  
# Line 344 | Line 422 | register_local_user(struct Client *sourc
422        source_p->username[i++] = '~';
423  
424      for (; *p && i < USERLEN; ++p)
425 <      if (*p != '[')
348 <        source_p->username[i++] = *p;
425 >      source_p->username[i++] = *p;
426  
427      source_p->username[i] = '\0';
428    }
429  
430 <  /* password check */
430 >  /* Password check */
431    if (!EmptyString(conf->passwd))
432    {
433 <    const char *pass = source_p->localClient->passwd;
357 <
358 <    if (!match_conf_password(pass, conf))
433 >    if (!match_conf_password(source_p->connection->password, conf))
434      {
435        ++ServerStats.is_ref;
436 <      sendto_one(source_p, form_str(ERR_PASSWDMISMATCH),
437 <                 me.name, source_p->name);
438 <      exit_client(source_p, &me, "Bad Password");
436 >
437 >      sendto_one_numeric(source_p, &me, ERR_PASSWDMISMATCH);
438 >      exit_client(source_p, "Bad Password");
439        return;
440      }
441    }
442  
443 <  /* don't free source_p->localClient->passwd here - it can be required
444 <   * by masked /stats I if there are auth{} blocks with need_password = no;
443 >  /*
444 >   * Don't free source_p->connection->password here - it can be required
445 >   * by masked /stats I if there are auth {} blocks with need_password = no;
446     * --adx
447     */
448  
449 <  /* report if user has &^>= etc. and set flags as needed in source_p */
449 >  /*
450 >   * Report if user has &^>= etc. and set flags as needed in source_p
451 >   */
452    report_and_set_user_flags(source_p, conf);
453  
454    if (IsDead(source_p))
455      return;
456  
457 <  /* Limit clients -
457 >  /*
458 >   * Limit clients -
459     * We want to be able to have servers and F-line clients
460     * connect, so save room for "buffer" connections.
461     * Smaller servers may want to decrease this, and it should
462     * probably be just a percentage of the MAXCLIENTS...
463     *   -Taner
464     */
465 <  /* Except "F:" clients */
466 <  if ((Count.local >= ServerInfo.max_clients + MAX_BUFFER) ||
388 <      (Count.local >= ServerInfo.max_clients && !IsExemptLimits(source_p)))
465 >  if ((Count.local >= GlobalSetOptions.maxclients + MAX_BUFFER) ||
466 >      (Count.local >= GlobalSetOptions.maxclients && !IsExemptLimits(source_p)))
467    {
468      sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
469                           "Too many clients, rejecting %s[%s].",
470                           source_p->name, source_p->host);
471      ++ServerStats.is_ref;
472 <    exit_client(source_p, &me, "Sorry, server is full - try later");
472 >    exit_client(source_p, "Sorry, server is full - try later");
473      return;
474    }
475  
476 <  /* valid user name check */
399 <  if (valid_username(source_p->username) == 0)
476 >  if (!valid_username(source_p->username, 1))
477    {
478 <    char tmpstr2[IRCD_BUFSIZE];
478 >    char buf[IRCD_BUFSIZE] = "";
479  
480      sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
481                           "Invalid username: %s (%s@%s)",
482                           source_p->name, source_p->username, source_p->host);
483      ++ServerStats.is_ref;
484 <    snprintf(tmpstr2, sizeof(tmpstr2), "Invalid username [%s]",
485 <             source_p->username);
409 <    exit_client(source_p, &me, tmpstr2);
484 >    snprintf(buf, sizeof(buf), "Invalid username [%s]", source_p->username);
485 >    exit_client(source_p, buf);
486      return;
487    }
488  
489    if (check_xline(source_p))
490      return;
491  
492 <  while (hash_find_id((id = uid_get())) != NULL)
492 >  while (hash_find_id((id = uid_get())))
493      ;
494  
495    strlcpy(source_p->id, id, sizeof(source_p->id));
# Line 422 | Line 498 | register_local_user(struct Client *sourc
498    sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
499                         "Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>",
500                         source_p->name, source_p->username, source_p->host,
501 <                       ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
502 <                       "255.255.255.255" : source_p->sockhost,
427 <                       get_client_class(&source_p->localClient->confs),
501 >                       source_p->sockhost,
502 >                       get_client_class(&source_p->connection->confs),
503                         source_p->info, source_p->id);
504  
505 <  sendto_realops_flags(UMODE_CCONN_FULL, L_ALL, SEND_NOTICE,
431 <                       "CLICONN %s %s %s %s %s %s %s 0 %s",
432 <                       source_p->name, source_p->username, source_p->host,
433 <                       ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
434 <                       "255.255.255.255" : source_p->sockhost,
435 <                       get_client_class(&source_p->localClient->confs),
436 <                       ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
437 <                           "<hidden>" : source_p->localClient->client_host,
438 <                       ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
439 <                           "<hidden>" : source_p->localClient->client_server,
440 <                       source_p->info);
441 <
442 <
443 <  if (ConfigFileEntry.invisible_on_connect)
505 >  if (ConfigGeneral.invisible_on_connect)
506    {
507      AddUMode(source_p, UMODE_INVISIBLE);
508      ++Count.invisi;
509    }
510  
511 <  if ((++Count.local) > Count.max_loc)
511 >  if (++Count.local > Count.max_loc)
512    {
513      Count.max_loc = Count.local;
514  
515      if (!(Count.max_loc % 10))
516        sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
517 <                           "New Max Local Clients: %d",
517 >                           "New maximum local client connections: %u",
518                             Count.max_loc);
519    }
520  
459  /* Increment our total user count here */
521    if (++Count.total > Count.max_tot)
522      Count.max_tot = Count.total;
523    ++Count.totalrestartcount;
# Line 464 | Line 525 | register_local_user(struct Client *sourc
525    assert(source_p->servptr == &me);
526    SetClient(source_p);
527    dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
528 <
468 <  source_p->localClient->allow_read = MAX_FLOOD_BURST;
528 >  dlinkAdd(source_p, &source_p->node, &global_client_list);
529  
530    assert(dlinkFind(&unknown_list, source_p));
531  
532 <  dlink_move_node(&source_p->localClient->lclient_node,
532 >  dlink_move_node(&source_p->connection->lclient_node,
533                    &unknown_list, &local_client_list);
534  
535    user_welcome(source_p);
# Line 485 | Line 545 | register_local_user(struct Client *sourc
545   *              - username to register as
546   *              - host name to register as
547   *              - server name
488 *              - realname (gecos)
548   * output       - NONE
549   * side effects - This function is called when a remote client
550   *                is introduced by a server.
551   */
552   void
553 < register_remote_user(struct Client *source_p,
495 <                     const char *username, const char *host, const char *server,
496 <                     const char *realname)
553 > register_remote_user(struct Client *source_p)
554   {
555 <  struct Client *target_p = NULL;
499 <
500 <  assert(source_p != NULL);
501 <  assert(source_p->username != username);
502 <
503 <  strlcpy(source_p->host, host, sizeof(source_p->host));
504 <  strlcpy(source_p->username, username, sizeof(source_p->username));
505 <
506 <  /*
507 <   * coming from another server, take the servers word for it
508 <   */
509 <  source_p->servptr = hash_find_server(server);
510 <
511 <  /*
512 <   * Super GhostDetect:
513 <   * If we can't find the server the user is supposed to be on,
514 <   * then simply blow the user away.        -Taner
515 <   */
516 <  if (source_p->servptr == NULL)
517 <  {
518 <    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
519 <                         "No server %s for user %s[%s@%s] from %s",
520 <                         server, source_p->name, source_p->username,
521 <                         source_p->host, source_p->from->name);
522 <    kill_client(source_p->from, source_p, "%s (Server doesn't exist)", me.name);
523 <
524 <    AddFlag(source_p, FLAGS_KILLED);
525 <    exit_client(source_p, &me, "Ghosted Client");
526 <    return;
527 <  }
555 >  const struct Client *target_p = NULL;
556  
557    if ((target_p = source_p->servptr) && target_p->from != source_p->from)
558    {
# Line 533 | Line 561 | register_remote_user(struct Client *sour
561                           source_p->from->name, source_p->name, source_p->username,
562                           source_p->host, source_p->servptr->name,
563                           target_p->name, target_p->from->name);
564 <    kill_client(source_p->from, source_p,
565 <                "%s (NICK from wrong direction (%s != %s))",
566 <                me.name, source_p->servptr->name, target_p->from->name);
564 >    sendto_one(source_p->from,
565 >               ":%s KILL %s :%s (UID from wrong direction (%s != %s))",
566 >               me.id, source_p->id, me.name, source_p->servptr->name,
567 >               target_p->from->name);
568 >
569      AddFlag(source_p, FLAGS_KILLED);
570 <    exit_client(source_p, &me, "USER server wrong direction");
570 >    exit_client(source_p, "UID server wrong direction");
571      return;
572    }
573  
# Line 548 | Line 578 | register_remote_user(struct Client *sour
578    if (HasFlag(source_p->servptr, FLAGS_SERVICE))
579      AddFlag(source_p, FLAGS_SERVICE);
580  
551  /* Increment our total user count here */
581    if (++Count.total > Count.max_tot)
582      Count.max_tot = Count.total;
583  
584    SetClient(source_p);
585    dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
586 +  dlinkAdd(source_p, &source_p->node, &global_client_list);
587    add_user_host(source_p->username, source_p->host, 1);
588    SetUserHost(source_p);
589  
590 <  introduce_client(source_p);
591 < }
590 >  if (HasFlag(source_p->servptr, FLAGS_EOB))
591 >    sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
592 >                         "Client connecting at %s: %s (%s@%s) [%s] [%s] <%s>",
593 >                         source_p->servptr->name,
594 >                         source_p->name, source_p->username, source_p->host,
595 >                         source_p->sockhost, source_p->info, source_p->id);
596  
597 < /* introduce_client()
564 < *
565 < * inputs       - source_p
566 < * output       - NONE
567 < * side effects - This common function introduces a client to the rest
568 < *                of the net, either from a local client connect or
569 < *                from a remote connect.
570 < */
571 < static void
572 < introduce_client(struct Client *source_p)
573 < {
574 <  dlink_node *server_node = NULL;
575 <  static char ubuf[12];
576 <
577 <  if (MyClient(source_p))
578 <    send_umode(source_p, source_p, 0, SEND_UMODES, ubuf);
579 <  else
580 <    send_umode(NULL, source_p, 0, SEND_UMODES, ubuf);
581 <
582 <  watch_check_hash(source_p, RPL_LOGON);
583 <
584 <  if (*ubuf == '\0')
585 <  {
586 <    ubuf[0] = '+';
587 <    ubuf[1] = '\0';
588 <  }
589 <
590 <  DLINK_FOREACH(server_node, serv_list.head)
591 <  {
592 <    struct Client *server = server_node->data;
593 <
594 <    if (server == source_p->from)
595 <        continue;
596 <
597 <    if (IsCapable(server, CAP_SVS))
598 <    {
599 <      if (IsCapable(server, CAP_TS6) && HasID(source_p))
600 <        sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s %s :%s",
601 <                   source_p->servptr->id,
602 <                   source_p->name, source_p->hopcount+1,
603 <                   (unsigned long)source_p->tsinfo,
604 <                   ubuf, source_p->username, source_p->host,
605 <                   (MyClient(source_p) && IsIPSpoof(source_p)) ?
606 <                   "0" : source_p->sockhost, source_p->id,
607 <                   source_p->svid,
608 <                   source_p->info);
609 <      else
610 <        sendto_one(server, "NICK %s %d %lu %s %s %s %s %s :%s",
611 <                   source_p->name, source_p->hopcount+1,
612 <                   (unsigned long)source_p->tsinfo,
613 <                   ubuf, source_p->username, source_p->host,
614 <                   source_p->servptr->name, source_p->svid,
615 <                   source_p->info);
616 <
617 <    }
618 <    else
619 <    {
620 <      if (IsCapable(server, CAP_TS6) && HasID(source_p))
621 <        sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s :%s",
622 <                   source_p->servptr->id,
623 <                   source_p->name, source_p->hopcount+1,
624 <                   (unsigned long)source_p->tsinfo,
625 <                   ubuf, source_p->username, source_p->host,
626 <                   (MyClient(source_p) && IsIPSpoof(source_p)) ?
627 <                   "0" : source_p->sockhost, source_p->id, source_p->info);
628 <      else
629 <        sendto_one(server, "NICK %s %d %lu %s %s %s %s :%s",
630 <                   source_p->name, source_p->hopcount+1,
631 <                   (unsigned long)source_p->tsinfo,
632 <                   ubuf, source_p->username, source_p->host,
633 <                   source_p->servptr->name, source_p->info);
634 <    }
635 <  }
597 >  introduce_client(source_p);
598   }
599  
600   /* valid_hostname()
# Line 649 | Line 611 | valid_hostname(const char *hostname)
611   {
612    const char *p = hostname;
613  
614 <  assert(p != NULL);
614 >  assert(p);
615  
616 <  if (*p == '.' || *p == ':')
616 >  if (EmptyString(p) || *p == '.' || *p == ':')
617      return 0;
618  
619    for (; *p; ++p)
# Line 673 | Line 635 | valid_hostname(const char *hostname)
635   * style of username
636   */
637   int
638 < valid_username(const char *username)
638 > valid_username(const char *username, const int local)
639   {
640 <  int dots      = 0;
640 >  unsigned int dots = 0;
641    const char *p = username;
642  
643 <  assert(p != NULL);
643 >  assert(p);
644  
645    if (*p == '~')
646      ++p;
647  
648 <  /* reject usernames that don't start with an alphanum
648 >  /*
649 >   * Reject usernames that don't start with an alphanum
650     * i.e. reject jokers who have '-@somehost' or '.@somehost'
651     * or "-hi-@somehost", "h-----@somehost" would still be accepted.
652     */
653    if (!IsAlNum(*p))
654      return 0;
655  
656 <  while (*++p)
656 >  if (local)
657    {
658 <    if ((*p == '.') && ConfigFileEntry.dots_in_ident)
658 >    while (*++p)
659      {
660 <      if (++dots > ConfigFileEntry.dots_in_ident)
661 <        return 0;
662 <      if (!IsUserChar(*(p + 1)))
660 >      if (*p == '.' && ConfigGeneral.dots_in_ident)
661 >      {
662 >        if (++dots > ConfigGeneral.dots_in_ident)
663 >          return 0;
664 >        if (!IsUserChar(*(p + 1)))
665 >          return 0;
666 >      }
667 >      else if (!IsUserChar(*p))
668          return 0;
669      }
670 <    else if (!IsUserChar(*p))
671 <      return 0;
670 >  }
671 >  else
672 >  {
673 >    while (*++p)
674 >      if (!IsUserChar(*p))
675 >        return 0;
676    }
677  
678 <  return 1;
678 >  return p - username <= USERLEN;
679   }
680  
681   /* clean_nick_name()
# Line 717 | Line 689 | int
689   valid_nickname(const char *nickname, const int local)
690   {
691    const char *p = nickname;
720  assert(nickname && *nickname);
692  
693 <  /* nicks can't start with a digit or - or be 0 length */
694 <  /* This closer duplicates behaviour of hybrid-6 */
695 <  if (*p == '-' || (IsDigit(*p) && local) || *p == '\0')
693 >  assert(p);
694 >
695 >  /*
696 >   * Nicks can't start with a digit or - or be 0 length.
697 >   */
698 >  if (EmptyString(p) || *p == '-' || (IsDigit(*p) && local))
699      return 0;
700  
701    for (; *p; ++p)
# Line 731 | Line 705 | valid_nickname(const char *nickname, con
705    return p - nickname <= NICKLEN;
706   }
707  
734 /* report_and_set_user_flags()
735 *
736 * inputs       - pointer to source_p
737 *              - pointer to conf for this user
738 * output       - NONE
739 * side effects - Report to user any special flags
740 *                they are getting, and set them.
741 */
742 static void
743 report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
744 {
745  /* If this user is being spoofed, tell them so */
746  if (IsConfDoSpoofIp(conf))
747  {
748    sendto_one(source_p,
749               ":%s NOTICE %s :*** Spoofing your IP. congrats.",
750               me.name, source_p->name);
751  }
752
753  /* If this user is in the exception class, Set it "E lined" */
754  if (IsConfExemptKline(conf))
755  {
756    SetExemptKline(source_p);
757    sendto_one(source_p,
758               ":%s NOTICE %s :*** You are exempt from K/D/G lines. congrats.",
759               me.name, source_p->name);
760  }
761
762  /* The else here is to make sure that G line exempt users
763   * do not get noticed twice.
764   */
765  else if (IsConfExemptGline(conf))
766  {
767    SetExemptGline(source_p);
768    sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from G lines.",
769               me.name, source_p->name);
770  }
771
772  if (IsConfExemptResv(conf))
773  {
774    SetExemptResv(source_p);
775    sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from resvs.",
776               me.name, source_p->name);
777  }
778
779  /* If this user is exempt from user limits set it "F lined" */
780  if (IsConfExemptLimits(conf))
781  {
782    SetExemptLimits(source_p);
783    sendto_one(source_p,
784               ":%s NOTICE %s :*** You are exempt from user limits. congrats.",
785               me.name,source_p->name);
786  }
787
788  if (IsConfCanFlood(conf))
789  {
790    SetCanFlood(source_p);
791    sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from flood "
792               "protection, aren't you fearsome.",
793               me.name, source_p->name);
794  }
795 }
796
797 /* change_simple_umode()
798 *
799 * this callback can be hooked to allow special handling of
800 * certain usermodes
801 */
802 static void *
803 change_simple_umode(va_list args)
804 {
805  struct Client *client_p;
806  struct Client *source_p;
807  int what;
808  unsigned int flag;
809
810  client_p = va_arg(args, struct Client *);
811  source_p = va_arg(args, struct Client *);
812  what = va_arg(args, int);
813  flag = va_arg(args, unsigned int);
814
815  if (what == MODE_ADD)
816    AddUMode(source_p, flag);
817  else
818    DelUMode(source_p, flag);
819
820  return NULL;
821 }
822
823 /* set_user_mode()
824 *
825 * added 15/10/91 By Darren Reed.
826 * parv[0] - sender
827 * parv[1] - username to change mode for
828 * parv[2] - modes to change
829 */
830 void
831 set_user_mode(struct Client *client_p, struct Client *source_p,
832              int parc, char *parv[])
833 {
834  unsigned int flag, setflags;
835  char **p, *m, buf[IRCD_BUFSIZE];
836  struct Client *target_p;
837  int what = MODE_ADD, badflag = 0, i;
838
839  assert(!(parc < 2));
840
841  if ((target_p = find_person(client_p, parv[1])) == NULL)
842  {
843    if (MyConnect(source_p))
844      sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
845                 me.name, source_p->name, parv[1]);
846    return;
847  }
848
849  if (source_p != target_p)
850  {
851     sendto_one(source_p, form_str(ERR_USERSDONTMATCH),
852                me.name, source_p->name);
853     return;
854  }
855
856  if (parc < 3)
857  {
858    m = buf;
859    *m++ = '+';
860
861    for (i = 0; i < 128; i++)
862      if (HasUMode(source_p, user_modes[i]))
863        *m++ = (char)i;
864    *m = '\0';
865
866    sendto_one(source_p, form_str(RPL_UMODEIS),
867               me.name, source_p->name, buf);
868    return;
869  }
870
871  execute_callback(entering_umode_cb, client_p, source_p);
872
873  /* find flags already set for user */
874  setflags = source_p->umodes;
875
876  /* parse mode change string(s) */
877  for (p = &parv[2]; p && *p; p++)
878  {
879    for (m = *p; *m; m++)
880    {
881      switch (*m)
882      {
883        case '+':
884          what = MODE_ADD;
885          break;
886        case '-':
887          what = MODE_DEL;
888          break;
889        case 'o':
890          if (what == MODE_ADD)
891          {
892            if (IsServer(client_p) && !HasUMode(source_p, UMODE_OPER))
893            {
894              ++Count.oper;
895              SetOper(source_p);
896            }
897          }
898          else
899          {
900            /* Only decrement the oper counts if an oper to begin with
901             * found by Pat Szuta, Perly , perly@xnet.com
902             */
903            if (!HasUMode(source_p, UMODE_OPER))
904              break;
905
906            ClearOper(source_p);
907            Count.oper--;
908
909            if (MyConnect(source_p))
910            {
911              dlink_node *dm;
912
913              detach_conf(source_p, CONF_OPER);
914              ClrOFlag(source_p);
915              DelUMode(source_p, ConfigFileEntry.oper_only_umodes);
916
917              if ((dm = dlinkFindDelete(&oper_list, source_p)) != NULL)
918                free_dlink_node(dm);
919            }
920          }
921
922          break;
923
924        /* we may not get these,
925         * but they shouldnt be in default
926         */
927        case 'r':
928        case ' ' :
929        case '\n':
930        case '\r':
931        case '\t':
932          break;
933
934        default:
935          if ((flag = user_modes[(unsigned char)*m]))
936          {
937            if (MyConnect(source_p) && !HasUMode(source_p, UMODE_OPER) &&
938                (ConfigFileEntry.oper_only_umodes & flag))
939            {
940              badflag = 1;
941            }
942            else
943              execute_callback(umode_cb, client_p, source_p, what, flag);
944          }
945          else
946          {
947            if (MyConnect(source_p))
948              badflag = 1;
949          }
950
951          break;
952      }
953    }
954  }
955
956  if (badflag)
957    sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG),
958               me.name, source_p->name);
959
960  if (HasUMode(source_p, UMODE_NCHANGE) && !HasOFlag(source_p, OPER_FLAG_N))
961  {
962    sendto_one(source_p, ":%s NOTICE %s :*** You have no nchange flag;",
963               me.name, source_p->name);
964    DelUMode(source_p, UMODE_NCHANGE);
965  }
966
967  if (MyConnect(source_p) && HasUMode(source_p, UMODE_ADMIN) &&
968      !HasOFlag(source_p, OPER_FLAG_ADMIN))
969  {
970    sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;",
971               me.name, source_p->name);
972    DelUMode(source_p, UMODE_ADMIN);
973  }
974
975  if (!(setflags & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
976    ++Count.invisi;
977  if ((setflags & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE))
978    --Count.invisi;
979
980  /*
981   * compare new flags with old flags and send string which
982   * will cause servers to update correctly.
983   */
984  send_umode_out(client_p, source_p, setflags);
985 }
986
708   /* send_umode()
709   * send the MODE string for user (user) to connection client_p
710   * -avalon
# Line 997 | Line 718 | set_user_mode(struct Client *client_p, s
718   */
719   void
720   send_umode(struct Client *client_p, struct Client *source_p,
721 <           unsigned int old, unsigned int sendmask, char *umode_buf)
721 >           unsigned int old, char *umode_buf)
722   {
723    char *m = umode_buf;
724    int what = 0;
1004  unsigned int i;
1005  unsigned int flag;
725  
726    /*
727 <   * build a string in umode_buf to represent the change in the user's
727 >   * Build a string in umode_buf to represent the change in the user's
728     * mode between the new (source_p->umodes) and 'old'.
729     */
730 <  for (i = 0; i < 128; i++)
730 >  for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
731    {
732 <    flag = user_modes[i];
1014 <    if (!flag)
1015 <      continue;
1016 <
1017 <    if (MyClient(source_p) && !(flag & sendmask))
1018 <      continue;
1019 <
1020 <    if ((flag & old) && !HasUMode(source_p, flag))
732 >    if ((tab->flag & old) && !HasUMode(source_p, tab->flag))
733      {
734        if (what == MODE_DEL)
735 <        *m++ = (char)i;
735 >        *m++ = tab->c;
736        else
737        {
738          what = MODE_DEL;
739          *m++ = '-';
740 <        *m++ = (char)i;
740 >        *m++ = tab->c;
741        }
742      }
743 <    else if (!(flag & old) && HasUMode(source_p, flag))
743 >    else if (!(tab->flag & old) && HasUMode(source_p, tab->flag))
744      {
745        if (what == MODE_ADD)
746 <        *m++ = (char)i;
746 >        *m++ = tab->c;
747        else
748        {
749          what = MODE_ADD;
750          *m++ = '+';
751 <        *m++ = (char)i;
751 >        *m++ = tab->c;
752        }
753      }
754    }
# Line 1045 | Line 757 | send_umode(struct Client *client_p, stru
757  
758    if (*umode_buf && client_p)
759      sendto_one(client_p, ":%s!%s@%s MODE %s :%s",
760 <               source_p->name, source_p->username,
761 <               source_p->host, source_p->name, umode_buf);
760 >               client_p->name, client_p->username,
761 >               client_p->host, client_p->name, umode_buf);
762   }
763  
764   /* send_umode_out()
# Line 1056 | Line 768 | send_umode(struct Client *client_p, stru
768   * side effects - Only send ubuf out to servers that know about this client
769   */
770   void
771 < send_umode_out(struct Client *client_p, struct Client *source_p,
1060 <               unsigned int old)
771 > send_umode_out(struct Client *source_p, unsigned int old)
772   {
773 <  char buf[IRCD_BUFSIZE] = { '\0' };
1063 <  dlink_node *ptr = NULL;
773 >  char buf[IRCD_BUFSIZE] = "";
774  
775 <  send_umode(NULL, source_p, old, SEND_UMODES, buf);
775 >  send_umode(MyClient(source_p) ? source_p : NULL, source_p, old, buf);
776  
777    if (buf[0])
778 <  {
779 <    DLINK_FOREACH(ptr, serv_list.head)
1070 <    {
1071 <      struct Client *target_p = ptr->data;
1072 <
1073 <      if ((target_p != client_p) && (target_p != source_p))
1074 <        sendto_one(target_p, ":%s MODE %s :%s",
1075 <                   ID_or_name(source_p, target_p),
1076 <                   ID_or_name(source_p, target_p), buf);
1077 <    }
1078 <  }
1079 <
1080 <  if (client_p && MyClient(client_p))
1081 <    send_umode(client_p, source_p, old, 0xffffffff, buf);
778 >    sendto_server(source_p, 0, 0, ":%s MODE %s :%s",
779 >                  source_p->id, source_p->id, buf);
780   }
781  
782 < /* user_welcome()
783 < *
1086 < * inputs       - client pointer to client to welcome
1087 < * output       - NONE
1088 < * side effects -
1089 < */
1090 < static void
1091 < user_welcome(struct Client *source_p)
782 > void
783 > user_set_hostmask(struct Client *target_p, const char *hostname, const int what)
784   {
785 < #if defined(__TIME__) && defined(__DATE__)
1094 <  static const char built_date[] = __DATE__ " at " __TIME__;
1095 < #else
1096 <  static const char built_date[] = "unknown";
1097 < #endif
785 >  dlink_node *node = NULL;
786  
787 < #ifdef HAVE_LIBCRYPTO
788 <  if (source_p->localClient->fd.ssl != NULL)
1101 <    sendto_one(source_p, ":%s NOTICE %s :*** Connected securely via %s",
1102 <               me.name, source_p->name,
1103 <               ssl_get_cipher(source_p->localClient->fd.ssl));
1104 < #endif
787 >  if (!strcmp(target_p->host, hostname))
788 >    return;
789  
790 <  sendto_one(source_p, form_str(RPL_WELCOME), me.name, source_p->name,
791 <             ServerInfo.network_name, source_p->name);
792 <  sendto_one(source_p, form_str(RPL_YOURHOST), me.name, source_p->name,
793 <             get_listener_name(source_p->localClient->listener), ircd_version);
794 <  sendto_one(source_p, form_str(RPL_CREATED),
795 <             me.name, source_p->name, built_date);
796 <  sendto_one(source_p, form_str(RPL_MYINFO),
797 <             me.name, source_p->name, me.name, ircd_version, umode_buffer);
798 <  show_isupport(source_p);
790 >  switch (what)
791 >  {
792 >    case MODE_ADD:
793 >      AddUMode(target_p, UMODE_HIDDENHOST);
794 >      break;
795 >    case MODE_DEL:
796 >      DelUMode(target_p, UMODE_HIDDENHOST);
797 >      break;
798 >    default: return;
799 >  }
800  
801 <  if (source_p->id[0] != '\0')
802 <    sendto_one(source_p, form_str(RPL_YOURID), me.name,
803 <               source_p->name, source_p->id);
801 >  if (ConfigGeneral.cycle_on_host_change)
802 >    sendto_common_channels_local(target_p, 0, 0, ":%s!%s@%s QUIT :Changing hostname",
803 >                                 target_p->name, target_p->username, target_p->host);
804  
805 <  show_lusers(source_p);
805 >  if (IsUserHostIp(target_p))
806 >    delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));
807  
808 <  if (ConfigFileEntry.short_motd)
808 >  strlcpy(target_p->host, hostname, sizeof(target_p->host));
809 >
810 >  add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
811 >  SetUserHost(target_p);
812 >
813 >  if (MyClient(target_p))
814    {
815 <    sendto_one(source_p, ":%s NOTICE %s :*** Notice -- motd was last changed at %s",
816 <               me.name, source_p->name, ConfigFileEntry.motd.lastChangedDate);
1126 <    sendto_one(source_p,
1127 <               ":%s NOTICE %s :*** Notice -- Please read the motd if you haven't "
1128 <               "read it", me.name, source_p->name);
1129 <    sendto_one(source_p, form_str(RPL_MOTDSTART),
1130 <               me.name, source_p->name, me.name);
1131 <    sendto_one(source_p, form_str(RPL_MOTD),
1132 <               me.name, source_p->name,
1133 <               "*** This is the short motd ***");
1134 <    sendto_one(source_p, form_str(RPL_ENDOFMOTD),
1135 <               me.name, source_p->name);
815 >    sendto_one_numeric(target_p, &me, RPL_VISIBLEHOST, target_p->host);
816 >    clear_ban_cache_client(target_p);
817    }
1137  else  
1138    send_message_file(source_p, &ConfigFileEntry.motd);
1139 }
818  
819 < /* check_xline()
820 < *
1143 < * inputs       - pointer to client to test
1144 < * outupt       - 1 if exiting 0 if ok
1145 < * side effects -
1146 < */
1147 < static int
1148 < check_xline(struct Client *source_p)
1149 < {
1150 <  struct MaskItem *conf = NULL;
1151 <  const char *reason = NULL;
819 >  if (!ConfigGeneral.cycle_on_host_change)
820 >    return;
821  
822 <  if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)) ||
1154 <      (conf = find_matching_name_conf(CONF_RXLINE, source_p->info, NULL, NULL, 0)))
822 >  DLINK_FOREACH(node, target_p->channel.head)
823    {
824 <    ++conf->count;
824 >    char modebuf[4], nickbuf[NICKLEN * 3 + 3] = "";
825 >    char *p = modebuf;
826 >    int len = 0;
827 >    const struct Membership *member = node->data;
828  
829 <    if (conf->reason != NULL)
830 <      reason = conf->reason;
831 <    else
832 <      reason = "No Reason";
829 >    if (has_member_flags(member, CHFL_CHANOP))
830 >    {
831 >      *p++ = 'o';
832 >      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
833 >    }
834  
835 <    sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
836 <                         "X-line Rejecting [%s] [%s], user %s [%s]",
837 <                         source_p->info, reason,
838 <                         get_client_name(source_p, HIDE_IP),
839 <                         source_p->sockhost);
835 >    if (has_member_flags(member, CHFL_HALFOP))
836 >    {
837 >      *p++ = 'h';
838 >      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
839 >    }
840  
841 <    ++ServerStats.is_ref;
842 <    exit_client(source_p, &me, "Bad user info");
843 <    return 1;
844 <  }
841 >    if (has_member_flags(member, CHFL_VOICE))
842 >    {
843 >      *p++ = 'v';
844 >      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
845 >    }
846  
847 <  return 0;
1175 < }
847 >    *p = '\0';
848  
849 < /* oper_up()
850 < *
851 < * inputs       - pointer to given client to oper
852 < * output       - NONE
853 < * side effects - Blindly opers up given source_p, using conf info
854 < *                all checks on passwords have already been done.
855 < *                This could also be used by rsa oper routines.
849 >
850 >    sendto_channel_local_butone(target_p, CAP_EXTENDED_JOIN, 0, member->chptr, ":%s!%s@%s JOIN %s %s :%s",
851 >                                target_p->name, target_p->username,
852 >                                target_p->host, member->chptr->name,
853 >                                (!IsDigit(target_p->account[0]) && target_p->account[0] != '*') ? target_p->account : "*",
854 >                                target_p->info);
855 >    sendto_channel_local_butone(target_p, 0, CAP_EXTENDED_JOIN, member->chptr, ":%s!%s@%s JOIN :%s",
856 >                                target_p->name, target_p->username,
857 >                                target_p->host, member->chptr->name);
858 >
859 >    if (nickbuf[0])
860 >      sendto_channel_local_butone(target_p, 0, 0, member->chptr, ":%s MODE %s +%s %s",
861 >                                  target_p->servptr->name, member->chptr->name,
862 >                                  modebuf, nickbuf);
863 >
864 >  }
865 >
866 >  if (target_p->away[0])
867 >    sendto_common_channels_local(target_p, 0, CAP_AWAY_NOTIFY,
868 >                                 ":%s!%s@%s AWAY :%s",
869 >                                 target_p->name, target_p->username,
870 >                                 target_p->host, target_p->away);
871 > }
872 >
873 > /*! \brief Blindly opers up given source_p, using conf info.
874 > *         All checks on passwords have already been done.
875 > * \param source_p Pointer to given client to oper
876   */
877   void
878   oper_up(struct Client *source_p)
879   {
880    const unsigned int old = source_p->umodes;
881 <  const struct MaskItem *conf = source_p->localClient->confs.head->data;
881 >  const struct MaskItem *const conf = source_p->connection->confs.head->data;
882  
883 <  assert(source_p->localClient->confs.head);
883 >  assert(source_p->connection->confs.head);
884  
885    ++Count.oper;
886    SetOper(source_p);
887  
888    if (conf->modes)
889      AddUMode(source_p, conf->modes);
890 <  else if (ConfigFileEntry.oper_umodes)
891 <    AddUMode(source_p, ConfigFileEntry.oper_umodes);
890 >  else if (ConfigGeneral.oper_umodes)
891 >    AddUMode(source_p, ConfigGeneral.oper_umodes);
892  
893    if (!(old & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
894      ++Count.invisi;
# Line 1210 | Line 902 | oper_up(struct Client *source_p)
902  
903    if (HasOFlag(source_p, OPER_FLAG_ADMIN))
904      AddUMode(source_p, UMODE_ADMIN);
905 <  if (!HasOFlag(source_p, OPER_FLAG_N))
906 <    DelUMode(source_p, UMODE_NCHANGE);
905 >
906 >  if (!EmptyString(conf->whois))
907 >  {
908 >    client_attach_svstag(source_p, RPL_WHOISOPERATOR, "+", conf->whois);
909 >    sendto_server(source_p, 0, 0, ":%s SVSTAG %s %lu %u + :%s",
910 >                  me.id, source_p->id, (unsigned long)source_p->tsinfo,
911 >                  RPL_WHOISOPERATOR, conf->whois);
912 >  }
913  
914    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, "%s is now an operator",
915                         get_oper_name(source_p));
916 <  send_umode_out(source_p, source_p, old);
917 <  sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name);
916 >  sendto_server(NULL, 0, 0, ":%s GLOBOPS :%s is now an operator",
917 >                me.id, get_oper_name(source_p));
918 >  send_umode_out(source_p, old);
919 >  sendto_one_numeric(source_p, &me, RPL_YOUREOPER);
920   }
921  
922 < static char new_uid[TOTALSIDUID + 1];     /* allow for \0 */
922 > static char new_uid[TOTALSIDUID + 1];  /* Allow for \0 */
923  
924   int
925   valid_sid(const char *sid)
# Line 1234 | Line 934 | valid_sid(const char *sid)
934  
935   /*
936   * init_uid()
937 < *
937 > *
938   * inputs       - NONE
939   * output       - NONE
940   * side effects - new_uid is filled in with server id portion (sid)
941 < *                (first 3 bytes) or defaulted to 'A'.
942 < *                Rest is filled in with 'A'
941 > *                (first 3 bytes). Rest is filled in with '9'.
942 > *
943 > * NOTE: this function assumes that 'ConfigServerInfo.sid' has been set to a proper value
944   */
945   void
946   init_uid(void)
947   {
948 <  int i;
1248 <
1249 <  memset(new_uid, 0, sizeof(new_uid));
1250 <
1251 <  if (!EmptyString(ServerInfo.sid))
1252 <    strlcpy(new_uid, ServerInfo.sid, sizeof(new_uid));
1253 <
1254 <  for (i = 0; i < IRC_MAXSID; ++i)
1255 <    if (new_uid[i] == '\0')
1256 <      new_uid[i] = 'A';
1257 <
1258 <  /* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1259 <  /* Yes nenolod, I have known it was off by one ever since I wrote it
1260 <   * But *JUST* for you, though, it really doesn't look as *pretty*
1261 <   * -Dianora
1262 <   */
1263 <  memcpy(new_uid + IRC_MAXSID, "AAAAA@", IRC_MAXUID);
1264 <
1265 <  entering_umode_cb = register_callback("entering_umode", NULL);
1266 <  umode_cb = register_callback("changing_umode", change_simple_umode);
948 >  snprintf(new_uid, sizeof(new_uid), "%s999999", ConfigServerInfo.sid);
949   }
950  
951   /*
# Line 1275 | Line 957 | init_uid(void)
957   *                note this is a recursive function
958   */
959   static void
960 < add_one_to_uid(int i)
960 > add_one_to_uid(unsigned int i)
961   {
962 <  if (i != IRC_MAXSID)    /* Not reached server SID portion yet? */
962 >  if (i < IRC_MAXSID)
963 >    return;
964 >
965 >  if (new_uid[i] == 'Z')
966 >    new_uid[i] = '0';
967 >  else if (new_uid[i] == '9')
968    {
969 <    if (new_uid[i] == 'Z')
970 <      new_uid[i] = '0';
1284 <    else if (new_uid[i] == '9')
1285 <    {
1286 <      new_uid[i] = 'A';
1287 <      add_one_to_uid(i-1);
1288 <    }
1289 <    else
1290 <      ++new_uid[i];
969 >    new_uid[i] = 'A';
970 >    add_one_to_uid(i - 1);
971    }
972    else
973 <  {
1294 <    /* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1295 <    if (new_uid[i] == 'Z')
1296 <      memcpy(new_uid + IRC_MAXSID, "AAAAAA", IRC_MAXUID);
1297 <    else
1298 <      ++new_uid[i];
1299 <  }
973 >    ++new_uid[i];
974   }
975  
976   /*
# Line 1309 | Line 983 | add_one_to_uid(int i)
983   static const char *
984   uid_get(void)
985   {
986 <  add_one_to_uid(TOTALSIDUID - 1);    /* index from 0 */
986 >  add_one_to_uid(TOTALSIDUID - 1);  /* Index from 0 */
987    return new_uid;
988   }
989  
# Line 1323 | Line 997 | uid_get(void)
997   void
998   init_isupport(void)
999   {
1326  isupportFile = init_MessageLine();
1327
1000    add_isupport("CALLERID", NULL, -1);
1001 <  add_isupport("CASEMAPPING", CASEMAP, -1);
1001 >  add_isupport("CASEMAPPING", "rfc1459", -1);
1002    add_isupport("DEAF", "D", -1);
1003    add_isupport("KICKLEN", NULL, KICKLEN);
1004    add_isupport("MODES", NULL, MAXMODEPARAMS);
1333 #ifdef HALFOPS
1005    add_isupport("PREFIX", "(ohv)@%+", -1);
1006    add_isupport("STATUSMSG", "@%+", -1);
1007 < #else
1008 <  add_isupport("PREFIX", "(ov)@+", -1);
1338 <  add_isupport("STATUSMSG", "@+", -1);
1339 < #endif
1007 >  add_isupport("EXCEPTS", NULL, -1);
1008 >  add_isupport("INVEX", NULL, -1);
1009   }
1010  
1011   /*
# Line 1351 | Line 1020 | init_isupport(void)
1020   void
1021   add_isupport(const char *name, const char *options, int n)
1022   {
1023 <  dlink_node *ptr;
1024 <  struct Isupport *support;
1023 >  dlink_node *node = NULL;
1024 >  struct Isupport *support = NULL;
1025  
1026 <  DLINK_FOREACH(ptr, support_list.head)
1026 >  DLINK_FOREACH(node, support_list.head)
1027    {
1028 <    support = ptr->data;
1028 >    support = node->data;
1029      if (irccmp(support->name, name) == 0)
1030      {
1031        MyFree(support->name);
# Line 1365 | Line 1034 | add_isupport(const char *name, const cha
1034      }
1035    }
1036  
1037 <  if (ptr == NULL)
1037 >  if (node == NULL)
1038    {
1039 <    support = MyMalloc(sizeof(*support));
1039 >    support = MyCalloc(sizeof(*support));
1040      dlinkAddTail(support, &support->node, &support_list);
1041    }
1042  
1043    support->name = xstrdup(name);
1044 <  if (options != NULL)
1044 >  if (options)
1045      support->options = xstrdup(options);
1046    support->number = n;
1047  
# Line 1389 | Line 1058 | add_isupport(const char *name, const cha
1058   void
1059   delete_isupport(const char *name)
1060   {
1061 <  dlink_node *ptr;
1393 <  struct Isupport *support;
1061 >  dlink_node *node = NULL;
1062  
1063 <  DLINK_FOREACH(ptr, support_list.head)
1063 >  DLINK_FOREACH(node, support_list.head)
1064    {
1065 <    support = ptr->data;
1065 >    struct Isupport *support = node->data;
1066 >
1067      if (irccmp(support->name, name) == 0)
1068      {
1069 <      dlinkDelete(ptr, &support_list);
1069 >      dlinkDelete(node, &support_list);
1070        MyFree(support->name);
1071        MyFree(support->options);
1072        MyFree(support);
# Line 1420 | Line 1089 | rebuild_isupport_message_line(void)
1089   {
1090    char isupportbuffer[IRCD_BUFSIZE];
1091    char *p = isupportbuffer;
1092 <  dlink_node *ptr = NULL;
1092 >  dlink_node *node = NULL, *node_next = NULL;
1093    int n = 0;
1094    int tokens = 0;
1095    size_t len = 0;
1096 <  size_t reserve = strlen(me.name) + HOSTLEN + strlen(form_str(RPL_ISUPPORT));
1096 >  size_t reserve = strlen(me.name) + HOSTLEN + strlen(numeric_form(RPL_ISUPPORT));
1097  
1098 <  destroy_MessageLine(isupportFile);
1098 >  DLINK_FOREACH_SAFE(node, node_next, support_list_lines.head)
1099 >  {
1100 >    dlinkDelete(node, &support_list_lines);
1101 >    MyFree(node->data);
1102 >    free_dlink_node(node);
1103 >  }
1104  
1105 <  DLINK_FOREACH(ptr, support_list.head)
1105 >  DLINK_FOREACH(node, support_list.head)
1106    {
1107 <    struct Isupport *support = ptr->data;
1107 >    struct Isupport *support = node->data;
1108  
1109      p += (n = sprintf(p, "%s", support->name));
1110      len += n;
1111  
1112 <    if (support->options != NULL)
1112 >    if (support->options)
1113      {
1114        p += (n = sprintf(p, "=%s", support->options));
1115        len += n;
# Line 1456 | Line 1130 | rebuild_isupport_message_line(void)
1130        if (*--p == ' ')
1131          *p = '\0';
1132  
1133 <      addto_MessageLine(isupportFile, isupportbuffer);
1133 >      dlinkAddTail(xstrdup(isupportbuffer), make_dlink_node(), &support_list_lines);
1134        p = isupportbuffer;
1135        len = 0;
1136        n = tokens = 0;
1137      }
1138    }
1139  
1140 <  if (len != 0)
1140 >  if (len)
1141    {
1142      if (*--p == ' ')
1143        *p = '\0';
1144 <    addto_MessageLine(isupportFile, isupportbuffer);
1144 >    dlinkAddTail(xstrdup(isupportbuffer), make_dlink_node(), &support_list_lines);
1145    }
1146   }

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