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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 1646 by michael, Wed Nov 7 21:02:43 2012 UTC vs.
ircd-hybrid/trunk/src/user.c (file contents), Revision 6192 by michael, Wed Jun 24 18:00:07 2015 UTC

# Line 1 | Line 1
1   /*
2 < *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 < *  s_user.c: User related functions.
2 > *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3   *
4 < *  Copyright (C) 2002 by the past and present ircd coders, and others.
4 > *  Copyright (c) 1997-2015 ircd-hybrid development team
5   *
6   *  This program is free software; you can redistribute it and/or modify
7   *  it under the terms of the GNU General Public License as published by
# Line 16 | Line 15
15   *
16   *  You should have received a copy of the GNU General Public License
17   *  along with this program; if not, write to the Free Software
18 < *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
18 > *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19   *  USA
20 < *
21 < *  $Id$
20 > */
21 >
22 > /*! \file user.c
23 > * \brief User related functions.
24 > * \version $Id$
25   */
26  
27   #include "stdinc.h"
28   #include "list.h"
29 < #include "s_user.h"
28 < #include "s_misc.h"
29 > #include "user.h"
30   #include "channel.h"
31   #include "channel_mode.h"
32   #include "client.h"
32 #include "fdlist.h"
33   #include "hash.h"
34 + #include "id.h"
35   #include "irc_string.h"
35 #include "sprintf_irc.h"
36 #include "s_bsd.h"
36   #include "ircd.h"
37   #include "listener.h"
38   #include "motd.h"
39   #include "numeric.h"
40   #include "conf.h"
41   #include "log.h"
42 < #include "s_serv.h"
42 > #include "server.h"
43   #include "send.h"
45 #include "supported.h"
46 #include "whowas.h"
44   #include "memory.h"
45   #include "packet.h"
46   #include "rng_mt.h"
47   #include "userhost.h"
48 < #include "hook.h"
52 < #include "s_misc.h"
48 > #include "misc.h"
49   #include "parse.h"
50   #include "watch.h"
51 <
56 <
57 < struct Callback *entering_umode_cb = NULL;
58 < struct Callback *umode_cb = NULL;
51 > #include "isupport.h"
52  
53   static char umode_buffer[IRCD_BUFSIZE];
54  
55 < static void user_welcome(struct Client *);
56 < static void report_and_set_user_flags(struct Client *, const struct MaskItem *);
64 < static int check_xline(struct Client *);
65 < static void introduce_client(struct Client *);
66 < static const char *uid_get(void);
67 <
68 < /* Used for building up the isupport string,
69 < * used with init_isupport, add_isupport, delete_isupport
70 < */
71 <
72 < struct Isupport
55 > const struct user_modes *umode_map[256];
56 > const struct user_modes  umode_tab[] =
57   {
58 <  dlink_node node;
59 <  char *name;
60 <  char *options;
61 <  int number;
62 < };
63 <
64 < static dlink_list support_list = { NULL, NULL, 0 };
65 < MessageFile *isupportFile;
66 <
67 < /* memory is cheap. map 0-255 to equivalent mode */
68 < unsigned int user_modes[256] =
69 < {
70 <  /* 0x00 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x0F */
71 <  /* 0x10 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x1F */
72 <  /* 0x20 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x2F */
73 <  /* 0x30 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x3F */
74 <  0,                  /* @ */
75 <  0,                  /* A */
76 <  0,                  /* B */
77 <  UMODE_CCONN_FULL,   /* C */
78 <  UMODE_DEAF,         /* D */
79 <  0,                  /* E */
80 <  0,                  /* F */
81 <  UMODE_SOFTCALLERID, /* G */
82 <  UMODE_HIDDEN,       /* H */
83 <  0,                  /* I */
84 <  0,                  /* J */
85 <  0,                  /* K */
86 <  0,                  /* L */
103 <  0,                  /* M */
104 <  0,                  /* N */
105 <  0,                  /* O */
106 <  0,                  /* P */
107 <  0,                  /* Q */
108 <  UMODE_REGONLY,      /* R */
109 <  0,                  /* S */
110 <  0,                  /* T */
111 <  0,                  /* U */
112 <  0,                  /* V */
113 <  0,                  /* W */
114 <  0,                  /* X */
115 <  0,                  /* Y */
116 <  0,                  /* Z 0x5A */
117 <  0, 0, 0, 0, 0,      /* 0x5F   */
118 <  0,                  /* 0x60   */
119 <  UMODE_ADMIN,        /* a */
120 <  UMODE_BOTS,         /* b */
121 <  UMODE_CCONN,        /* c */
122 <  UMODE_DEBUG,        /* d */
123 <  0,                  /* e */
124 <  UMODE_FULL,         /* f */
125 <  UMODE_CALLERID,     /* g */
126 <  0,                  /* h */
127 <  UMODE_INVISIBLE,    /* i */
128 <  UMODE_REJ,          /* j */
129 <  UMODE_SKILL,        /* k */
130 <  UMODE_LOCOPS,       /* l */
131 <  0,                  /* m */
132 <  UMODE_NCHANGE,      /* n */
133 <  UMODE_OPER,         /* o */
134 <  0,                  /* p */
135 <  0,                  /* q */
136 <  UMODE_REGISTERED,   /* r */
137 <  UMODE_SERVNOTICE,   /* s */
138 <  0,                  /* t */
139 <  UMODE_UNAUTH,       /* u */
140 <  0,                  /* v */
141 <  UMODE_WALLOP,       /* w */
142 <  UMODE_EXTERNAL,     /* x */
143 <  UMODE_SPY,          /* y */
144 <  UMODE_OPERWALL,     /* z      0x7A */
145 <  0,0,0,0,0,          /* 0x7B - 0x7F */
146 <
147 <  /* 0x80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x8F */
148 <  /* 0x90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x9F */
149 <  /* 0xA0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xAF */
150 <  /* 0xB0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xBF */
151 <  /* 0xC0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xCF */
152 <  /* 0xD0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xDF */
153 <  /* 0xE0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0xEF */
154 <  /* 0xF0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0  /* 0xFF */
58 >  { 'D', UMODE_DEAF         },
59 >  { 'F', UMODE_FARCONNECT   },
60 >  { 'G', UMODE_SOFTCALLERID },
61 >  { 'H', UMODE_HIDDEN       },
62 >  { 'R', UMODE_REGONLY      },
63 >  { 'S', UMODE_SSL          },
64 >  { 'W', UMODE_WEBIRC       },
65 >  { 'a', UMODE_ADMIN        },
66 >  { 'b', UMODE_BOTS         },
67 >  { 'c', UMODE_CCONN        },
68 >  { 'd', UMODE_DEBUG        },
69 >  { 'e', UMODE_EXTERNAL     },
70 >  { 'f', UMODE_FULL         },
71 >  { 'g', UMODE_CALLERID     },
72 >  { 'i', UMODE_INVISIBLE    },
73 >  { 'j', UMODE_REJ          },
74 >  { 'k', UMODE_SKILL        },
75 >  { 'l', UMODE_LOCOPS       },
76 >  { 'n', UMODE_NCHANGE      },
77 >  { 'o', UMODE_OPER         },
78 >  { 'p', UMODE_HIDECHANS    },
79 >  { 'q', UMODE_HIDEIDLE     },
80 >  { 'r', UMODE_REGISTERED   },
81 >  { 's', UMODE_SERVNOTICE   },
82 >  { 'u', UMODE_UNAUTH       },
83 >  { 'w', UMODE_WALLOP       },
84 >  { 'x', UMODE_HIDDENHOST   },
85 >  { 'y', UMODE_SPY          },
86 >  { '\0', 0 }
87   };
88  
89   void
90 < assemble_umode_buffer(void)
90 > user_modes_init(void)
91   {
160  unsigned int idx = 0;
92    char *umode_buffer_ptr = umode_buffer;
93  
94 <  for (; idx < (sizeof(user_modes) / sizeof(user_modes[0])); ++idx)
95 <    if (user_modes[idx])
96 <      *umode_buffer_ptr++ = idx;
94 >  for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
95 >  {
96 >    umode_map[tab->c] = tab;
97 >    *umode_buffer_ptr++ = tab->c;
98 >  }
99  
100    *umode_buffer_ptr = '\0';
101   }
# Line 174 | Line 107 | assemble_umode_buffer(void)
107   * side effects - display to client user counts etc.
108   */
109   void
110 < show_lusers(struct Client *source_p)
110 > show_lusers(struct Client *source_p)
111   {
112 <  const char *from, *to;
112 >  if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
113 >    sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total - Count.invisi),
114 >                       Count.invisi, dlink_list_length(&global_server_list));
115 >  else
116 >    sendto_one_numeric(source_p, &me, RPL_LUSERCLIENT, (Count.total - Count.invisi),
117 >                       Count.invisi, 1);
118  
119 <  if (!MyConnect(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
119 >  if (Count.oper)
120 >    sendto_one_numeric(source_p, &me, RPL_LUSEROP, Count.oper);
121 >
122 >  if (dlink_list_length(&unknown_list))
123 >    sendto_one_numeric(source_p, &me, RPL_LUSERUNKNOWN, dlink_list_length(&unknown_list));
124 >
125 >  if (dlink_list_length(&channel_list))
126 >    sendto_one_numeric(source_p, &me, RPL_LUSERCHANNELS, dlink_list_length(&channel_list));
127 >
128 >  if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
129    {
130 <    from = me.id;
131 <    to = source_p->id;
130 >    sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.local, Count.myserver);
131 >    sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.local, Count.max_loc);
132    }
133    else
134    {
135 <    from = me.name;
136 <    to = source_p->name;
135 >    sendto_one_numeric(source_p, &me, RPL_LUSERME, Count.total, 0);
136 >    sendto_one_numeric(source_p, &me, RPL_LOCALUSERS, Count.total, Count.max_tot);
137    }
138  
139 +  sendto_one_numeric(source_p, &me, RPL_GLOBALUSERS, Count.total, Count.max_tot);
140 +
141    if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
142 <    sendto_one(source_p, form_str(RPL_LUSERCLIENT),
143 <               from, to, (Count.total-Count.invisi),
195 <               Count.invisi, dlink_list_length(&global_serv_list));
196 <  else
197 <    sendto_one(source_p, form_str(RPL_LUSERCLIENT), from, to,
198 <               (Count.total-Count.invisi), Count.invisi, 1);
142 >    sendto_one_numeric(source_p, &me, RPL_STATSCONN, Count.max_loc_con,
143 >                       Count.max_loc_cli, Count.totalrestartcount);
144  
145 <  if (Count.oper > 0)
146 <    sendto_one(source_p, form_str(RPL_LUSEROP),
202 <               from, to, Count.oper);
203 <
204 <  if (dlink_list_length(&unknown_list) > 0)
205 <    sendto_one(source_p, form_str(RPL_LUSERUNKNOWN),
206 <               from, to, dlink_list_length(&unknown_list));
207 <
208 <  if (dlink_list_length(&global_channel_list) > 0)
209 <    sendto_one(source_p, form_str(RPL_LUSERCHANNELS),
210 <               from, to, dlink_list_length(&global_channel_list));
145 >  if (Count.local > Count.max_loc_cli)
146 >    Count.max_loc_cli = Count.local;
147  
148 <  if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
148 >  if ((Count.local + Count.myserver) > Count.max_loc_con)
149 >    Count.max_loc_con = Count.local + Count.myserver;
150 > }
151 >
152 > /* report_and_set_user_flags()
153 > *
154 > * inputs       - pointer to source_p
155 > *              - pointer to conf for this user
156 > * output       - NONE
157 > * side effects - Report to user any special flags
158 > *                they are getting, and set them.
159 > */
160 > static void
161 > report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
162 > {
163 >  /* If this user is being spoofed, tell them so */
164 >  if (IsConfDoSpoofIp(conf))
165 >    sendto_one_notice(source_p, &me, ":*** Spoofing your IP. Congrats.");
166 >
167 >  /* If this user is in the exception class, set it "E lined" */
168 >  if (IsConfExemptKline(conf))
169 >  {
170 >    SetExemptKline(source_p);
171 >    sendto_one_notice(source_p, &me, ":*** You are exempt from K/D lines. Congrats.");
172 >  }
173 >
174 >  if (IsConfExemptXline(conf))
175 >  {
176 >    SetExemptXline(source_p);
177 >    sendto_one_notice(source_p, &me, ":*** You are exempt from X lines. Congrats.");
178 >  }
179 >
180 >  if (IsConfExemptResv(conf))
181 >  {
182 >    SetExemptResv(source_p);
183 >    sendto_one_notice(source_p, &me, ":*** You are exempt from resvs. Congrats.");
184 >  }
185 >
186 >  /* If this user is exempt from user limits set it "F lined" */
187 >  if (IsConfExemptLimits(conf))
188 >  {
189 >    SetExemptLimits(source_p);
190 >    sendto_one_notice(source_p, &me, ":*** You are exempt from user limits. Congrats.");
191 >  }
192 >
193 >  if (IsConfCanFlood(conf))
194    {
195 <    sendto_one(source_p, form_str(RPL_LUSERME),
196 <               from, to, Count.local, Count.myserver);
197 <    sendto_one(source_p, form_str(RPL_LOCALUSERS),
217 <               from, to, Count.local, Count.max_loc,
218 <               Count.local, Count.max_loc);
195 >    SetCanFlood(source_p);
196 >    sendto_one_notice(source_p, &me, ":*** You are exempt from flood "
197 >                      "protection, aren't you fearsome.");
198    }
199 + }
200 +
201 + /* introduce_client()
202 + *
203 + * inputs       - source_p
204 + * output       - NONE
205 + * side effects - This common function introduces a client to the rest
206 + *                of the net, either from a local client connect or
207 + *                from a remote connect.
208 + */
209 + static void
210 + introduce_client(struct Client *source_p)
211 + {
212 +  dlink_node *node = NULL;
213 +  char ubuf[IRCD_BUFSIZE] = "";
214 +
215 +  if (MyClient(source_p))
216 +    send_umode(source_p, source_p, 0, ubuf);
217    else
218 +    send_umode(NULL, source_p, 0, ubuf);
219 +
220 +  watch_check_hash(source_p, RPL_LOGON);
221 +
222 +  if (ubuf[0] == '\0')
223    {
224 <    sendto_one(source_p, form_str(RPL_LUSERME),
225 <               from, to, Count.total, 0);
224 <    sendto_one(source_p, form_str(RPL_LOCALUSERS),
225 <               from, to, Count.total, Count.max_tot,
226 <               Count.total, Count.max_tot);
224 >    ubuf[0] = '+';
225 >    ubuf[1] = '\0';
226    }
227  
228 <  sendto_one(source_p, form_str(RPL_GLOBALUSERS),
229 <             from, to, Count.total, Count.max_tot,
230 <             Count.total, Count.max_tot);
228 >  DLINK_FOREACH(node, local_server_list.head)
229 >  {
230 >    struct Client *server = node->data;
231  
232 <  if (!ConfigServerHide.hide_servers || HasUMode(source_p, UMODE_OPER))
233 <    sendto_one(source_p, form_str(RPL_STATSCONN), from, to,
235 <               Count.max_loc_con, Count.max_loc_cli, Count.totalrestartcount);
232 >    if (server == source_p->from)
233 >      continue;
234  
235 <  if (Count.local > Count.max_loc_cli)
236 <    Count.max_loc_cli = Count.local;
235 >    if (IsCapable(server, CAP_SVS))
236 >      sendto_one(server, ":%s UID %s %u %lu %s %s %s %s %s %s :%s",
237 >                 source_p->servptr->id,
238 >                 source_p->name, source_p->hopcount+1,
239 >                 (unsigned long)source_p->tsinfo,
240 >                 ubuf, source_p->username, source_p->host,
241 >                 source_p->sockhost, source_p->id,
242 >                 source_p->account,
243 >                 source_p->info);
244 >    else
245 >      sendto_one(server, ":%s UID %s %u %lu %s %s %s %s %s :%s",
246 >                 source_p->servptr->id,
247 >                 source_p->name, source_p->hopcount+1,
248 >                 (unsigned long)source_p->tsinfo,
249 >                 ubuf, source_p->username, source_p->host,
250 >                 source_p->sockhost, source_p->id, source_p->info);
251  
252 <  if ((Count.local + Count.myserver) > Count.max_loc_con)
253 <    Count.max_loc_con = Count.local + Count.myserver;
252 >    if (!EmptyString(source_p->certfp))
253 >      sendto_one(server, ":%s CERTFP %s", source_p->id, source_p->certfp);
254 >  }
255   }
256  
257 < /* show_isupport()
257 > /* user_welcome()
258   *
259 < * inputs       - pointer to client
259 > * inputs       - client pointer to client to welcome
260   * output       - NONE
261 < * side effects - display to client what we support (for them)
261 > * side effects -
262   */
263 < void
264 < show_isupport(struct Client *source_p)
263 > static void
264 > user_welcome(struct Client *source_p)
265   {
266 <  send_message_file(source_p, isupportFile);
266 > #if defined(__TIME__) && defined(__DATE__)
267 >  static const char built_date[] = __DATE__ " at " __TIME__;
268 > #else
269 >  static const char built_date[] = "unknown";
270 > #endif
271 >
272 > #ifdef HAVE_LIBCRYPTO
273 >  if (HasFlag(source_p, FLAGS_SSL))
274 >  {
275 >    AddUMode(source_p, UMODE_SSL);
276 >    sendto_one_notice(source_p, &me, ":*** Connected securely via %s",
277 >                      ssl_get_cipher(source_p->connection->fd.ssl));
278 >  }
279 > #endif
280 >
281 >  sendto_one_numeric(source_p, &me, RPL_WELCOME, ConfigServerInfo.network_name,
282 >                     source_p->name);
283 >  sendto_one_numeric(source_p, &me, RPL_YOURHOST,
284 >                     get_listener_name(source_p->connection->listener), ircd_version);
285 >  sendto_one_numeric(source_p, &me, RPL_CREATED, built_date);
286 >  sendto_one_numeric(source_p, &me, RPL_MYINFO, me.name, ircd_version, umode_buffer);
287 >  isupport_show(source_p);
288 >  sendto_one_numeric(source_p, &me, RPL_YOURID, source_p->id);
289 >
290 >  show_lusers(source_p);
291 >  motd_signon(source_p);
292   }
293  
294 < /*
295 < ** register_local_user
296 < **      This function is called when both NICK and USER messages
297 < **      have been accepted for the client, in whatever order. Only
298 < **      after this, is the USER message propagated.
299 < **
300 < **      NICK's must be propagated at once when received, although
301 < **      it would be better to delay them too until full info is
302 < **      available. Doing it is not so simple though, would have
303 < **      to implement the following:
304 < **
305 < **      (actually it has been implemented already for a while) -orabidoo
306 < **
307 < **      1) user telnets in and gives only "NICK foobar" and waits
308 < **      2) another user far away logs in normally with the nick
309 < **         "foobar" (quite legal, as this server didn't propagate
310 < **         it).
311 < **      3) now this server gets nick "foobar" from outside, but
312 < **         has alread the same defined locally. Current server
313 < **         would just issue "KILL foobar" to clean out dups. But,
314 < **         this is not fair. It should actually request another
315 < **         nick from local user or kill him/her...
316 < */
294 > /* check_xline()
295 > *
296 > * inputs       - pointer to client to test
297 > * outupt       - 1 if exiting 0 if ok
298 > * side effects -
299 > */
300 > static int
301 > check_xline(struct Client *source_p)
302 > {
303 >  struct MaskItem *conf = NULL;
304 >
305 >  if (IsExemptXline(source_p))
306 >    return 0;
307 >
308 >  if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)))
309 >  {
310 >    ++conf->count;
311 >    sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
312 >                         "X-line Rejecting [%s] [%s], user %s [%s]",
313 >                         source_p->info, conf->reason,
314 >                         get_client_name(source_p, HIDE_IP),
315 >                         source_p->sockhost);
316 >
317 >    ++ServerStats.is_ref;
318 >    exit_client(source_p, "Bad user info");
319 >    return 1;
320 >  }
321 >
322 >  return 0;
323 > }
324 >
325 > /*! \brief This function is called when both NICK and USER messages
326 > *      have been accepted for the client, in whatever order. Only
327 > *      after this, is the UID message propagated.
328 > * \param source_p Pointer to given client to introduce
329 > */
330   void
331   register_local_user(struct Client *source_p)
332   {
333    const char *id = NULL;
334    const struct MaskItem *conf = NULL;
335  
285  assert(source_p != NULL);
336    assert(source_p == source_p->from);
337    assert(MyConnect(source_p));
338 <  assert(!source_p->localClient->registration);
338 >  assert(IsUnknown(source_p));
339 >  assert(!source_p->connection->registration);
340  
341 <  ClearCap(source_p, CAP_TS6);
291 <
292 <  if (ConfigFileEntry.ping_cookie)
341 >  if (ConfigGeneral.ping_cookie)
342    {
343 <    if (!IsPingSent(source_p) && source_p->localClient->random_ping == 0)
343 >    if (!IsPingSent(source_p) && !source_p->connection->random_ping)
344      {
345        do
346 <        source_p->localClient->random_ping = genrand_int32();
347 <      while (!source_p->localClient->random_ping);
346 >        source_p->connection->random_ping = genrand_int32();
347 >      while (!source_p->connection->random_ping);
348  
349 <      sendto_one(source_p, "PING :%u",
301 <                 source_p->localClient->random_ping);
349 >      sendto_one(source_p, "PING :%u", source_p->connection->random_ping);
350        SetPingSent(source_p);
351        return;
352      }
# Line 307 | Line 355 | register_local_user(struct Client *sourc
355        return;
356    }
357  
358 <  source_p->localClient->last_privmsg = CurrentTime;
358 >  source_p->connection->last_privmsg = CurrentTime;
359    /* Straight up the maximum rate of flooding... */
360 <  source_p->localClient->allow_read = MAX_FLOOD_BURST;
360 >  source_p->connection->allow_read = MAX_FLOOD_BURST;
361  
362    if (!check_client(source_p))
363      return;
364  
365 <  if (valid_hostname(source_p->host) == 0)
365 >  if (!valid_hostname(source_p->host))
366    {
367 <    sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You have an illegal "
368 <               "character in your hostname", me.name, source_p->name);
369 <    strlcpy(source_p->host, source_p->sockhost,
322 <            sizeof(source_p->host));
367 >    sendto_one_notice(source_p, &me, ":*** Notice -- You have an illegal "
368 >                      "character in your hostname");
369 >    strlcpy(source_p->host, source_p->sockhost, sizeof(source_p->host));
370    }
371  
372 <  conf = source_p->localClient->confs.head->data;
372 >  conf = source_p->connection->confs.head->data;
373  
374    if (!IsGotId(source_p))
375    {
376 <    char username[USERLEN + 1];
376 >    char username[USERLEN + 1] = "";
377      const char *p = username;
378      unsigned int i = 0;
379  
380      if (IsNeedIdentd(conf))
381      {
382        ++ServerStats.is_ref;
383 <      sendto_one(source_p, ":%s NOTICE %s :*** Notice -- You need to install "
384 <                 "identd to use this server", me.name, source_p->name);
385 <      exit_client(source_p, &me, "Install identd");
383 >      sendto_one_notice(source_p, &me, ":*** Notice -- You need to install "
384 >                        "identd to use this server");
385 >      exit_client(source_p, "Install identd");
386        return;
387      }
388  
# Line 345 | Line 392 | register_local_user(struct Client *sourc
392        source_p->username[i++] = '~';
393  
394      for (; *p && i < USERLEN; ++p)
395 <      if (*p != '[')
349 <        source_p->username[i++] = *p;
395 >      source_p->username[i++] = *p;
396  
397      source_p->username[i] = '\0';
398    }
399  
400 <  /* password check */
400 >  /* Password check */
401    if (!EmptyString(conf->passwd))
402    {
403 <    const char *pass = source_p->localClient->passwd;
358 <
359 <    if (!match_conf_password(pass, conf))
403 >    if (!match_conf_password(source_p->connection->password, conf))
404      {
405        ++ServerStats.is_ref;
406 <      sendto_one(source_p, form_str(ERR_PASSWDMISMATCH),
407 <                 me.name, source_p->name);
408 <      exit_client(source_p, &me, "Bad Password");
406 >
407 >      sendto_one_numeric(source_p, &me, ERR_PASSWDMISMATCH);
408 >      exit_client(source_p, "Bad Password");
409        return;
410      }
411    }
412  
413 <  /* don't free source_p->localClient->passwd here - it can be required
414 <   * by masked /stats I if there are auth{} blocks with need_password = no;
413 >  /*
414 >   * Don't free source_p->connection->password here - it can be required
415 >   * by masked /stats I if there are auth {} blocks with need_password = no;
416     * --adx
417     */
418  
419 <  /* report if user has &^>= etc. and set flags as needed in source_p */
419 >  /*
420 >   * Report if user has &^>= etc. and set flags as needed in source_p
421 >   */
422    report_and_set_user_flags(source_p, conf);
423  
424    if (IsDead(source_p))
425      return;
426  
427 <  /* Limit clients -
427 >  /*
428 >   * Limit clients -
429     * We want to be able to have servers and F-line clients
430     * connect, so save room for "buffer" connections.
431     * Smaller servers may want to decrease this, and it should
432     * probably be just a percentage of the MAXCLIENTS...
433     *   -Taner
434     */
435 <  /* Except "F:" clients */
436 <  if ((Count.local >= ServerInfo.max_clients + MAX_BUFFER) ||
389 <      (Count.local >= ServerInfo.max_clients && !IsExemptLimits(source_p)))
435 >  if ((Count.local >= GlobalSetOptions.maxclients + MAX_BUFFER) ||
436 >      (Count.local >= GlobalSetOptions.maxclients && !IsExemptLimits(source_p)))
437    {
438      sendto_realops_flags(UMODE_FULL, L_ALL, SEND_NOTICE,
439                           "Too many clients, rejecting %s[%s].",
440                           source_p->name, source_p->host);
441      ++ServerStats.is_ref;
442 <    exit_client(source_p, &me, "Sorry, server is full - try later");
442 >    exit_client(source_p, "Sorry, server is full - try later");
443      return;
444    }
445  
446 <  /* valid user name check */
400 <  if (valid_username(source_p->username) == 0)
446 >  if (!valid_username(source_p->username, 1))
447    {
448 <    char tmpstr2[IRCD_BUFSIZE];
448 >    char buf[IRCD_BUFSIZE] = "";
449  
450      sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
451                           "Invalid username: %s (%s@%s)",
452                           source_p->name, source_p->username, source_p->host);
453      ++ServerStats.is_ref;
454 <    snprintf(tmpstr2, sizeof(tmpstr2), "Invalid username [%s]",
455 <             source_p->username);
410 <    exit_client(source_p, &me, tmpstr2);
454 >    snprintf(buf, sizeof(buf), "Invalid username [%s]", source_p->username);
455 >    exit_client(source_p, buf);
456      return;
457    }
458  
459    if (check_xline(source_p))
460      return;
461  
462 <  while (hash_find_id((id = uid_get())) != NULL)
462 >  while (hash_find_id((id = uid_get())))
463      ;
464  
465    strlcpy(source_p->id, id, sizeof(source_p->id));
# Line 423 | Line 468 | register_local_user(struct Client *sourc
468    sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
469                         "Client connecting: %s (%s@%s) [%s] {%s} [%s] <%s>",
470                         source_p->name, source_p->username, source_p->host,
471 <                       ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
472 <                       "255.255.255.255" : source_p->sockhost,
428 <                       get_client_class(&source_p->localClient->confs),
471 >                       source_p->sockhost,
472 >                       get_client_class(&source_p->connection->confs),
473                         source_p->info, source_p->id);
474  
475 <  sendto_realops_flags(UMODE_CCONN_FULL, L_ALL, SEND_NOTICE,
432 <                       "CLICONN %s %s %s %s %s %s %s 0 %s",
433 <                       source_p->name, source_p->username, source_p->host,
434 <                       ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
435 <                       "255.255.255.255" : source_p->sockhost,
436 <                       get_client_class(&source_p->localClient->confs),
437 <                       ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
438 <                           "<hidden>" : source_p->localClient->client_host,
439 <                       ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
440 <                           "<hidden>" : source_p->localClient->client_server,
441 <                       source_p->info);
442 <
443 <
444 <  if (ConfigFileEntry.invisible_on_connect)
475 >  if (ConfigGeneral.invisible_on_connect)
476    {
477      AddUMode(source_p, UMODE_INVISIBLE);
478      ++Count.invisi;
479    }
480  
481 <  if ((++Count.local) > Count.max_loc)
481 >  if (++Count.local > Count.max_loc)
482    {
483      Count.max_loc = Count.local;
484  
485      if (!(Count.max_loc % 10))
486        sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
487 <                           "New Max Local Clients: %d",
487 >                           "New maximum local client connections: %u",
488                             Count.max_loc);
489    }
490  
460  /* Increment our total user count here */
491    if (++Count.total > Count.max_tot)
492      Count.max_tot = Count.total;
493    ++Count.totalrestartcount;
# Line 465 | Line 495 | register_local_user(struct Client *sourc
495    assert(source_p->servptr == &me);
496    SetClient(source_p);
497    dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
498 <
469 <  source_p->localClient->allow_read = MAX_FLOOD_BURST;
498 >  dlinkAdd(source_p, &source_p->node, &global_client_list);
499  
500    assert(dlinkFind(&unknown_list, source_p));
501  
502 <  dlink_move_node(&source_p->localClient->lclient_node,
502 >  dlink_move_node(&source_p->connection->lclient_node,
503                    &unknown_list, &local_client_list);
504  
505    user_welcome(source_p);
# Line 486 | Line 515 | register_local_user(struct Client *sourc
515   *              - username to register as
516   *              - host name to register as
517   *              - server name
489 *              - realname (gecos)
518   * output       - NONE
519   * side effects - This function is called when a remote client
520   *                is introduced by a server.
521   */
522   void
523 < register_remote_user(struct Client *source_p,
496 <                     const char *username, const char *host, const char *server,
497 <                     const char *realname)
523 > register_remote_user(struct Client *source_p)
524   {
525 <  struct Client *target_p = NULL;
500 <
501 <  assert(source_p != NULL);
502 <  assert(source_p->username != username);
503 <
504 <  strlcpy(source_p->host, host, sizeof(source_p->host));
505 <  strlcpy(source_p->username, username, sizeof(source_p->username));
506 <
507 <  /*
508 <   * coming from another server, take the servers word for it
509 <   */
510 <  source_p->servptr = hash_find_server(server);
511 <
512 <  /*
513 <   * Super GhostDetect:
514 <   * If we can't find the server the user is supposed to be on,
515 <   * then simply blow the user away.        -Taner
516 <   */
517 <  if (source_p->servptr == NULL)
518 <  {
519 <    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
520 <                         "No server %s for user %s[%s@%s] from %s",
521 <                         server, source_p->name, source_p->username,
522 <                         source_p->host, source_p->from->name);
523 <    kill_client(source_p->from, source_p, "%s (Server doesn't exist)", me.name);
524 <
525 <    AddFlag(source_p, FLAGS_KILLED);
526 <    exit_client(source_p, &me, "Ghosted Client");
527 <    return;
528 <  }
525 >  const struct Client *target_p = NULL;
526  
527    if ((target_p = source_p->servptr) && target_p->from != source_p->from)
528    {
# Line 534 | Line 531 | register_remote_user(struct Client *sour
531                           source_p->from->name, source_p->name, source_p->username,
532                           source_p->host, source_p->servptr->name,
533                           target_p->name, target_p->from->name);
534 <    kill_client(source_p->from, source_p,
535 <                "%s (NICK from wrong direction (%s != %s))",
536 <                me.name, source_p->servptr->name, target_p->from->name);
534 >    sendto_one(source_p->from,
535 >               ":%s KILL %s :%s (UID from wrong direction (%s != %s))",
536 >               me.id, source_p->id, me.name, source_p->servptr->name,
537 >               target_p->from->name);
538 >
539      AddFlag(source_p, FLAGS_KILLED);
540 <    exit_client(source_p, &me, "USER server wrong direction");
540 >    exit_client(source_p, "UID server wrong direction");
541      return;
542    }
543  
# Line 549 | Line 548 | register_remote_user(struct Client *sour
548    if (HasFlag(source_p->servptr, FLAGS_SERVICE))
549      AddFlag(source_p, FLAGS_SERVICE);
550  
552  /* Increment our total user count here */
551    if (++Count.total > Count.max_tot)
552      Count.max_tot = Count.total;
553  
554    SetClient(source_p);
555    dlinkAdd(source_p, &source_p->lnode, &source_p->servptr->serv->client_list);
556 +  dlinkAdd(source_p, &source_p->node, &global_client_list);
557    add_user_host(source_p->username, source_p->host, 1);
558    SetUserHost(source_p);
559  
560 <  introduce_client(source_p);
561 < }
562 <
563 < /* introduce_client()
564 < *
565 < * inputs       - source_p
567 < * output       - NONE
568 < * side effects - This common function introduces a client to the rest
569 < *                of the net, either from a local client connect or
570 < *                from a remote connect.
571 < */
572 < static void
573 < introduce_client(struct Client *source_p)
574 < {
575 <  dlink_node *server_node = NULL;
576 <  static char ubuf[12];
577 <
578 <  if (MyClient(source_p))
579 <    send_umode(source_p, source_p, 0, SEND_UMODES, ubuf);
580 <  else
581 <    send_umode(NULL, source_p, 0, SEND_UMODES, ubuf);
582 <
583 <  watch_check_hash(source_p, RPL_LOGON);
584 <
585 <  if (*ubuf == '\0')
586 <  {
587 <    ubuf[0] = '+';
588 <    ubuf[1] = '\0';
589 <  }
590 <
591 <  DLINK_FOREACH(server_node, serv_list.head)
592 <  {
593 <    struct Client *server = server_node->data;
594 <
595 <    if (server == source_p->from)
596 <        continue;
597 <
598 <    if (IsCapable(server, CAP_SVS))
599 <    {
600 <      if (IsCapable(server, CAP_TS6) && HasID(source_p))
601 <        sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s %s :%s",
602 <                   source_p->servptr->id,
603 <                   source_p->name, source_p->hopcount+1,
604 <                   (unsigned long)source_p->tsinfo,
605 <                   ubuf, source_p->username, source_p->host,
606 <                   (MyClient(source_p) && IsIPSpoof(source_p)) ?
607 <                   "0" : source_p->sockhost, source_p->id,
608 <                   source_p->svid,
609 <                   source_p->info);
610 <      else
611 <        sendto_one(server, "NICK %s %d %lu %s %s %s %s %s :%s",
612 <                   source_p->name, source_p->hopcount+1,
613 <                   (unsigned long)source_p->tsinfo,
614 <                   ubuf, source_p->username, source_p->host,
615 <                   source_p->servptr->name, source_p->svid,
616 <                   source_p->info);
560 >  if (HasFlag(source_p->servptr, FLAGS_EOB))
561 >    sendto_realops_flags(UMODE_FARCONNECT, L_ALL, SEND_NOTICE,
562 >                         "Client connecting at %s: %s (%s@%s) [%s] [%s] <%s>",
563 >                         source_p->servptr->name,
564 >                         source_p->name, source_p->username, source_p->host,
565 >                         source_p->sockhost, source_p->info, source_p->id);
566  
567 <    }
619 <    else
620 <    {
621 <      if (IsCapable(server, CAP_TS6) && HasID(source_p))
622 <        sendto_one(server, ":%s UID %s %d %lu %s %s %s %s %s :%s",
623 <                   source_p->servptr->id,
624 <                   source_p->name, source_p->hopcount+1,
625 <                   (unsigned long)source_p->tsinfo,
626 <                   ubuf, source_p->username, source_p->host,
627 <                   (MyClient(source_p) && IsIPSpoof(source_p)) ?
628 <                   "0" : source_p->sockhost, source_p->id, source_p->info);
629 <      else
630 <        sendto_one(server, "NICK %s %d %lu %s %s %s %s :%s",
631 <                   source_p->name, source_p->hopcount+1,
632 <                   (unsigned long)source_p->tsinfo,
633 <                   ubuf, source_p->username, source_p->host,
634 <                   source_p->servptr->name, source_p->info);
635 <    }
636 <  }
567 >  introduce_client(source_p);
568   }
569  
570   /* valid_hostname()
# Line 650 | Line 581 | valid_hostname(const char *hostname)
581   {
582    const char *p = hostname;
583  
584 <  assert(p != NULL);
584 >  assert(p);
585  
586 <  if (*p == '.' || *p == ':')
586 >  if (EmptyString(p) || *p == '.' || *p == ':')
587      return 0;
588  
589    for (; *p; ++p)
590      if (!IsHostChar(*p))
591        return 0;
592  
593 <  return 1;
593 >  return p - hostname <= HOSTLEN;
594   }
595  
596   /* valid_username()
# Line 674 | Line 605 | valid_hostname(const char *hostname)
605   * style of username
606   */
607   int
608 < valid_username(const char *username)
608 > valid_username(const char *username, const int local)
609   {
610 <  int dots      = 0;
610 >  unsigned int dots = 0;
611    const char *p = username;
612  
613 <  assert(p != NULL);
613 >  assert(p);
614  
615    if (*p == '~')
616      ++p;
617  
618 <  /* reject usernames that don't start with an alphanum
618 >  /*
619 >   * Reject usernames that don't start with an alphanum
620     * i.e. reject jokers who have '-@somehost' or '.@somehost'
621     * or "-hi-@somehost", "h-----@somehost" would still be accepted.
622     */
623    if (!IsAlNum(*p))
624      return 0;
625  
626 <  while (*++p)
626 >  if (local)
627    {
628 <    if ((*p == '.') && ConfigFileEntry.dots_in_ident)
628 >    while (*++p)
629      {
630 <      if (++dots > ConfigFileEntry.dots_in_ident)
631 <        return 0;
632 <      if (!IsUserChar(*(p + 1)))
630 >      if (*p == '.' && ConfigGeneral.dots_in_ident)
631 >      {
632 >        if (++dots > ConfigGeneral.dots_in_ident)
633 >          return 0;
634 >        if (!IsUserChar(*(p + 1)))
635 >          return 0;
636 >      }
637 >      else if (!IsUserChar(*p))
638          return 0;
639      }
640 <    else if (!IsUserChar(*p))
641 <      return 0;
640 >  }
641 >  else
642 >  {
643 >    while (*++p)
644 >      if (!IsUserChar(*p))
645 >        return 0;
646    }
647  
648 <  return 1;
648 >  return p - username <= USERLEN;
649   }
650  
651   /* clean_nick_name()
# Line 718 | Line 659 | int
659   valid_nickname(const char *nickname, const int local)
660   {
661    const char *p = nickname;
721  assert(nickname && *nickname);
662  
663 <  /* nicks can't start with a digit or - or be 0 length */
664 <  /* This closer duplicates behaviour of hybrid-6 */
665 <  if (*p == '-' || (IsDigit(*p) && local) || *p == '\0')
663 >  assert(p);
664 >
665 >  /*
666 >   * Nicks can't start with a digit or - or be 0 length.
667 >   */
668 >  if (EmptyString(p) || *p == '-' || (IsDigit(*p) && local))
669      return 0;
670  
671    for (; *p; ++p)
# Line 732 | Line 675 | valid_nickname(const char *nickname, con
675    return p - nickname <= NICKLEN;
676   }
677  
735 /* report_and_set_user_flags()
736 *
737 * inputs       - pointer to source_p
738 *              - pointer to conf for this user
739 * output       - NONE
740 * side effects - Report to user any special flags
741 *                they are getting, and set them.
742 */
743 static void
744 report_and_set_user_flags(struct Client *source_p, const struct MaskItem *conf)
745 {
746  /* If this user is being spoofed, tell them so */
747  if (IsConfDoSpoofIp(conf))
748  {
749    sendto_one(source_p,
750               ":%s NOTICE %s :*** Spoofing your IP. congrats.",
751               me.name, source_p->name);
752  }
753
754  /* If this user is in the exception class, Set it "E lined" */
755  if (IsConfExemptKline(conf))
756  {
757    SetExemptKline(source_p);
758    sendto_one(source_p,
759               ":%s NOTICE %s :*** You are exempt from K/D/G lines. congrats.",
760               me.name, source_p->name);
761  }
762
763  /* The else here is to make sure that G line exempt users
764   * do not get noticed twice.
765   */
766  else if (IsConfExemptGline(conf))
767  {
768    SetExemptGline(source_p);
769    sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from G lines.",
770               me.name, source_p->name);
771  }
772
773  if (IsConfExemptResv(conf))
774  {
775    SetExemptResv(source_p);
776    sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from resvs.",
777               me.name, source_p->name);
778  }
779
780  /* If this user is exempt from user limits set it "F lined" */
781  if (IsConfExemptLimits(conf))
782  {
783    SetExemptLimits(source_p);
784    sendto_one(source_p,
785               ":%s NOTICE %s :*** You are exempt from user limits. congrats.",
786               me.name,source_p->name);
787  }
788
789  if (IsConfCanFlood(conf))
790  {
791    SetCanFlood(source_p);
792    sendto_one(source_p, ":%s NOTICE %s :*** You are exempt from flood "
793               "protection, aren't you fearsome.",
794               me.name, source_p->name);
795  }
796 }
797
798 /* change_simple_umode()
799 *
800 * this callback can be hooked to allow special handling of
801 * certain usermodes
802 */
803 static void *
804 change_simple_umode(va_list args)
805 {
806  struct Client *client_p;
807  struct Client *source_p;
808  int what;
809  unsigned int flag;
810
811  client_p = va_arg(args, struct Client *);
812  source_p = va_arg(args, struct Client *);
813  what = va_arg(args, int);
814  flag = va_arg(args, unsigned int);
815
816  if (what == MODE_ADD)
817    AddUMode(source_p, flag);
818  else
819    DelUMode(source_p, flag);
820
821  return NULL;
822 }
823
824 /* set_user_mode()
825 *
826 * added 15/10/91 By Darren Reed.
827 * parv[0] - sender
828 * parv[1] - username to change mode for
829 * parv[2] - modes to change
830 */
831 void
832 set_user_mode(struct Client *client_p, struct Client *source_p,
833              int parc, char *parv[])
834 {
835  unsigned int flag, setflags;
836  char **p, *m, buf[IRCD_BUFSIZE];
837  struct Client *target_p;
838  int what = MODE_ADD, badflag = 0, i;
839
840  assert(!(parc < 2));
841
842  if ((target_p = find_person(client_p, parv[1])) == NULL)
843  {
844    if (MyConnect(source_p))
845      sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
846                 me.name, source_p->name, parv[1]);
847    return;
848  }
849
850  if (IsServer(source_p))
851  {
852     sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
853                          "*** Mode for User %s from %s",
854                          parv[1], source_p->name);
855     return;
856  }
857
858  if (source_p != target_p)
859  {
860     sendto_one(source_p, form_str(ERR_USERSDONTMATCH),
861                me.name, source_p->name);
862     return;
863  }
864
865  if (parc < 3)
866  {
867    m = buf;
868    *m++ = '+';
869
870    for (i = 0; i < 128; i++)
871      if (HasUMode(source_p, user_modes[i]))
872        *m++ = (char)i;
873    *m = '\0';
874
875    sendto_one(source_p, form_str(RPL_UMODEIS),
876               me.name, source_p->name, buf);
877    return;
878  }
879
880  execute_callback(entering_umode_cb, client_p, source_p);
881
882  /* find flags already set for user */
883  setflags = source_p->umodes;
884
885  /* parse mode change string(s) */
886  for (p = &parv[2]; p && *p; p++)
887  {
888    for (m = *p; *m; m++)
889    {
890      switch (*m)
891      {
892        case '+':
893          what = MODE_ADD;
894          break;
895        case '-':
896          what = MODE_DEL;
897          break;
898        case 'o':
899          if (what == MODE_ADD)
900          {
901            if (IsServer(client_p) && !HasUMode(source_p, UMODE_OPER))
902            {
903              ++Count.oper;
904              SetOper(source_p);
905            }
906          }
907          else
908          {
909            /* Only decrement the oper counts if an oper to begin with
910             * found by Pat Szuta, Perly , perly@xnet.com
911             */
912            if (!HasUMode(source_p, UMODE_OPER))
913              break;
914
915            ClearOper(source_p);
916            Count.oper--;
917
918            if (MyConnect(source_p))
919            {
920              dlink_node *dm;
921
922              detach_conf(source_p, CONF_OPER);
923              ClrOFlag(source_p);
924              DelUMode(source_p, ConfigFileEntry.oper_only_umodes);
925
926              if ((dm = dlinkFindDelete(&oper_list, source_p)) != NULL)
927                free_dlink_node(dm);
928            }
929          }
930
931          break;
932
933        /* we may not get these,
934         * but they shouldnt be in default
935         */
936        case 'r':
937        case ' ' :
938        case '\n':
939        case '\r':
940        case '\t':
941          break;
942
943        default:
944          if ((flag = user_modes[(unsigned char)*m]))
945          {
946            if (MyConnect(source_p) && !HasUMode(source_p, UMODE_OPER) &&
947                (ConfigFileEntry.oper_only_umodes & flag))
948            {
949              badflag = 1;
950            }
951            else
952              execute_callback(umode_cb, client_p, source_p, what, flag);
953          }
954          else
955          {
956            if (MyConnect(source_p))
957              badflag = 1;
958          }
959
960          break;
961      }
962    }
963  }
964
965  if (badflag)
966    sendto_one(source_p, form_str(ERR_UMODEUNKNOWNFLAG),
967               me.name, source_p->name);
968
969  if (HasUMode(source_p, UMODE_NCHANGE) && !HasOFlag(source_p, OPER_FLAG_N))
970  {
971    sendto_one(source_p, ":%s NOTICE %s :*** You have no nchange flag;",
972               me.name, source_p->name);
973    DelUMode(source_p, UMODE_NCHANGE);
974  }
975
976  if (MyConnect(source_p) && HasUMode(source_p, UMODE_ADMIN) &&
977      !HasOFlag(source_p, OPER_FLAG_ADMIN))
978  {
979    sendto_one(source_p, ":%s NOTICE %s :*** You have no admin flag;",
980               me.name, source_p->name);
981    DelUMode(source_p, UMODE_ADMIN);
982  }
983
984  if (!(setflags & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
985    ++Count.invisi;
986  if ((setflags & UMODE_INVISIBLE) && !HasUMode(source_p, UMODE_INVISIBLE))
987    --Count.invisi;
988
989  /*
990   * compare new flags with old flags and send string which
991   * will cause servers to update correctly.
992   */
993  send_umode_out(client_p, source_p, setflags);
994 }
995
678   /* send_umode()
679   * send the MODE string for user (user) to connection client_p
680   * -avalon
# Line 1006 | Line 688 | set_user_mode(struct Client *client_p, s
688   */
689   void
690   send_umode(struct Client *client_p, struct Client *source_p,
691 <           unsigned int old, unsigned int sendmask, char *umode_buf)
691 >           unsigned int old, char *umode_buf)
692   {
693    char *m = umode_buf;
694    int what = 0;
1013  unsigned int i;
1014  unsigned int flag;
695  
696    /*
697 <   * build a string in umode_buf to represent the change in the user's
697 >   * Build a string in umode_buf to represent the change in the user's
698     * mode between the new (source_p->umodes) and 'old'.
699     */
700 <  for (i = 0; i < 128; i++)
700 >  for (const struct user_modes *tab = umode_tab; tab->c; ++tab)
701    {
702 <    flag = user_modes[i];
1023 <    if (!flag)
1024 <      continue;
1025 <
1026 <    if (MyClient(source_p) && !(flag & sendmask))
1027 <      continue;
1028 <
1029 <    if ((flag & old) && !HasUMode(source_p, flag))
702 >    if ((tab->flag & old) && !HasUMode(source_p, tab->flag))
703      {
704        if (what == MODE_DEL)
705 <        *m++ = (char)i;
705 >        *m++ = tab->c;
706        else
707        {
708          what = MODE_DEL;
709          *m++ = '-';
710 <        *m++ = (char)i;
710 >        *m++ = tab->c;
711        }
712      }
713 <    else if (!(flag & old) && HasUMode(source_p, flag))
713 >    else if (!(tab->flag & old) && HasUMode(source_p, tab->flag))
714      {
715        if (what == MODE_ADD)
716 <        *m++ = (char)i;
716 >        *m++ = tab->c;
717        else
718        {
719          what = MODE_ADD;
720          *m++ = '+';
721 <        *m++ = (char)i;
721 >        *m++ = tab->c;
722        }
723      }
724    }
# Line 1054 | Line 727 | send_umode(struct Client *client_p, stru
727  
728    if (*umode_buf && client_p)
729      sendto_one(client_p, ":%s!%s@%s MODE %s :%s",
730 <               source_p->name, source_p->username,
731 <               source_p->host, source_p->name, umode_buf);
730 >               client_p->name, client_p->username,
731 >               client_p->host, client_p->name, umode_buf);
732   }
733  
734   /* send_umode_out()
# Line 1065 | Line 738 | send_umode(struct Client *client_p, stru
738   * side effects - Only send ubuf out to servers that know about this client
739   */
740   void
741 < send_umode_out(struct Client *client_p, struct Client *source_p,
1069 <               unsigned int old)
741 > send_umode_out(struct Client *source_p, unsigned int old)
742   {
743 <  char buf[IRCD_BUFSIZE] = { '\0' };
1072 <  dlink_node *ptr = NULL;
743 >  char buf[IRCD_BUFSIZE] = "";
744  
745 <  send_umode(NULL, source_p, old, SEND_UMODES, buf);
745 >  send_umode(MyClient(source_p) ? source_p : NULL, source_p, old, buf);
746  
747    if (buf[0])
748 <  {
749 <    DLINK_FOREACH(ptr, serv_list.head)
1079 <    {
1080 <      struct Client *target_p = ptr->data;
1081 <
1082 <      if ((target_p != client_p) && (target_p != source_p))
1083 <        sendto_one(target_p, ":%s MODE %s :%s",
1084 <                   ID_or_name(source_p, target_p),
1085 <                   ID_or_name(source_p, target_p), buf);
1086 <    }
1087 <  }
1088 <
1089 <  if (client_p && MyClient(client_p))
1090 <    send_umode(client_p, source_p, old, 0xffffffff, buf);
748 >    sendto_server(source_p, 0, 0, ":%s MODE %s :%s",
749 >                  source_p->id, source_p->id, buf);
750   }
751  
752 < /* user_welcome()
753 < *
1095 < * inputs       - client pointer to client to welcome
1096 < * output       - NONE
1097 < * side effects -
1098 < */
1099 < static void
1100 < user_welcome(struct Client *source_p)
752 > void
753 > user_set_hostmask(struct Client *target_p, const char *hostname, const int what)
754   {
755 < #if defined(__TIME__) && defined(__DATE__)
1103 <  static const char built_date[] = __DATE__ " at " __TIME__;
1104 < #else
1105 <  static const char built_date[] = "unknown";
1106 < #endif
755 >  dlink_node *node = NULL;
756  
757 < #ifdef HAVE_LIBCRYPTO
758 <  if (source_p->localClient->fd.ssl != NULL)
1110 <    sendto_one(source_p, ":%s NOTICE %s :*** Connected securely via %s",
1111 <               me.name, source_p->name,
1112 <               ssl_get_cipher(source_p->localClient->fd.ssl));
1113 < #endif
757 >  if (!strcmp(target_p->host, hostname))
758 >    return;
759  
760 <  sendto_one(source_p, form_str(RPL_WELCOME), me.name, source_p->name,
761 <             ServerInfo.network_name, source_p->name);
762 <  sendto_one(source_p, form_str(RPL_YOURHOST), me.name, source_p->name,
763 <             get_listener_name(source_p->localClient->listener), ircd_version);
764 <  sendto_one(source_p, form_str(RPL_CREATED),
765 <             me.name, source_p->name, built_date);
766 <  sendto_one(source_p, form_str(RPL_MYINFO),
767 <             me.name, source_p->name, me.name, ircd_version, umode_buffer);
768 <  show_isupport(source_p);
769 <
1125 <  if (source_p->id[0] != '\0')
1126 <    sendto_one(source_p, form_str(RPL_YOURID), me.name,
1127 <               source_p->name, source_p->id);
760 >  switch (what)
761 >  {
762 >    case MODE_ADD:
763 >      AddUMode(target_p, UMODE_HIDDENHOST);
764 >      break;
765 >    case MODE_DEL:
766 >      DelUMode(target_p, UMODE_HIDDENHOST);
767 >      break;
768 >    default: return;
769 >  }
770  
771 <  show_lusers(source_p);
771 >  if (ConfigGeneral.cycle_on_host_change)
772 >    sendto_common_channels_local(target_p, 0, 0, ":%s!%s@%s QUIT :Changing hostname",
773 >                                 target_p->name, target_p->username, target_p->host);
774 >
775 >  if (IsUserHostIp(target_p))
776 >    delete_user_host(target_p->username, target_p->host, !MyConnect(target_p));
777 >
778 >  strlcpy(target_p->host, hostname, sizeof(target_p->host));
779  
780 <  if (ConfigFileEntry.short_motd)
780 >  add_user_host(target_p->username, target_p->host, !MyConnect(target_p));
781 >  SetUserHost(target_p);
782 >
783 >  if (MyClient(target_p))
784    {
785 <    sendto_one(source_p, ":%s NOTICE %s :*** Notice -- motd was last changed at %s",
786 <               me.name, source_p->name, ConfigFileEntry.motd.lastChangedDate);
1135 <    sendto_one(source_p,
1136 <               ":%s NOTICE %s :*** Notice -- Please read the motd if you haven't "
1137 <               "read it", me.name, source_p->name);
1138 <    sendto_one(source_p, form_str(RPL_MOTDSTART),
1139 <               me.name, source_p->name, me.name);
1140 <    sendto_one(source_p, form_str(RPL_MOTD),
1141 <               me.name, source_p->name,
1142 <               "*** This is the short motd ***");
1143 <    sendto_one(source_p, form_str(RPL_ENDOFMOTD),
1144 <               me.name, source_p->name);
785 >    sendto_one_numeric(target_p, &me, RPL_VISIBLEHOST, target_p->host);
786 >    clear_ban_cache_client(target_p);
787    }
1146  else  
1147    send_message_file(source_p, &ConfigFileEntry.motd);
1148 }
788  
789 < /* check_xline()
790 < *
1152 < * inputs       - pointer to client to test
1153 < * outupt       - 1 if exiting 0 if ok
1154 < * side effects -
1155 < */
1156 < static int
1157 < check_xline(struct Client *source_p)
1158 < {
1159 <  struct MaskItem *conf = NULL;
1160 <  const char *reason = NULL;
789 >  if (!ConfigGeneral.cycle_on_host_change)
790 >    return;
791  
792 <  if ((conf = find_matching_name_conf(CONF_XLINE, source_p->info, NULL, NULL, 0)) ||
1163 <      (conf = find_matching_name_conf(CONF_RXLINE, source_p->info, NULL, NULL, 0)))
792 >  DLINK_FOREACH(node, target_p->channel.head)
793    {
794 <    ++conf->count;
794 >    char modebuf[4], nickbuf[NICKLEN * 3 + 3] = "";
795 >    char *p = modebuf;
796 >    int len = 0;
797 >    const struct Membership *member = node->data;
798  
799 <    if (conf->reason != NULL)
800 <      reason = conf->reason;
801 <    else
802 <      reason = "No Reason";
799 >    if (has_member_flags(member, CHFL_CHANOP))
800 >    {
801 >      *p++ = 'o';
802 >      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
803 >    }
804  
805 <    sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
806 <                         "X-line Rejecting [%s] [%s], user %s [%s]",
807 <                         source_p->info, reason,
808 <                         get_client_name(source_p, HIDE_IP),
809 <                         source_p->sockhost);
805 >    if (has_member_flags(member, CHFL_HALFOP))
806 >    {
807 >      *p++ = 'h';
808 >      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
809 >    }
810 >
811 >    if (has_member_flags(member, CHFL_VOICE))
812 >    {
813 >      *p++ = 'v';
814 >      len += snprintf(nickbuf + len, sizeof(nickbuf) - len, len ? " %s" : "%s", target_p->name);
815 >    }
816 >
817 >    *p = '\0';
818 >
819 >
820 >    sendto_channel_local_butone(target_p, CAP_EXTENDED_JOIN, 0, member->chptr, ":%s!%s@%s JOIN %s %s :%s",
821 >                                target_p->name, target_p->username,
822 >                                target_p->host, member->chptr->name,
823 >                                (!IsDigit(target_p->account[0]) && target_p->account[0] != '*') ? target_p->account : "*",
824 >                                target_p->info);
825 >    sendto_channel_local_butone(target_p, 0, CAP_EXTENDED_JOIN, member->chptr, ":%s!%s@%s JOIN :%s",
826 >                                target_p->name, target_p->username,
827 >                                target_p->host, member->chptr->name);
828 >
829 >    if (nickbuf[0])
830 >      sendto_channel_local_butone(target_p, 0, 0, member->chptr, ":%s MODE %s +%s %s",
831 >                                  target_p->servptr->name, member->chptr->name,
832 >                                  modebuf, nickbuf);
833  
1178    ++ServerStats.is_ref;
1179    exit_client(source_p, &me, "Bad user info");
1180    return 1;
834    }
835  
836 <  return 0;
836 >  if (target_p->away[0])
837 >    sendto_common_channels_local(target_p, 0, CAP_AWAY_NOTIFY,
838 >                                 ":%s!%s@%s AWAY :%s",
839 >                                 target_p->name, target_p->username,
840 >                                 target_p->host, target_p->away);
841   }
842  
843 < /* oper_up()
844 < *
845 < * inputs       - pointer to given client to oper
1189 < * output       - NONE
1190 < * side effects - Blindly opers up given source_p, using conf info
1191 < *                all checks on passwords have already been done.
1192 < *                This could also be used by rsa oper routines.
843 > /*! \brief Blindly opers up given source_p, using conf info.
844 > *         All checks on passwords have already been done.
845 > * \param source_p Pointer to given client to oper
846   */
847   void
848 < oper_up(struct Client *source_p)
848 > user_oper_up(struct Client *source_p)
849   {
850    const unsigned int old = source_p->umodes;
851 <  const struct MaskItem *conf = source_p->localClient->confs.head->data;
851 >  const struct MaskItem *const conf = source_p->connection->confs.head->data;
852  
853 <  assert(source_p->localClient->confs.head);
853 >  assert(source_p->connection->confs.head);
854  
855    ++Count.oper;
856    SetOper(source_p);
857  
858    if (conf->modes)
859      AddUMode(source_p, conf->modes);
860 <  else if (ConfigFileEntry.oper_umodes)
861 <    AddUMode(source_p, ConfigFileEntry.oper_umodes);
860 >  else if (ConfigGeneral.oper_umodes)
861 >    AddUMode(source_p, ConfigGeneral.oper_umodes);
862  
863    if (!(old & UMODE_INVISIBLE) && HasUMode(source_p, UMODE_INVISIBLE))
864      ++Count.invisi;
# Line 1219 | Line 872 | oper_up(struct Client *source_p)
872  
873    if (HasOFlag(source_p, OPER_FLAG_ADMIN))
874      AddUMode(source_p, UMODE_ADMIN);
1222  if (!HasOFlag(source_p, OPER_FLAG_N))
1223    DelUMode(source_p, UMODE_NCHANGE);
1224
1225  sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, "%s is now an operator",
1226                       get_oper_name(source_p));
1227  send_umode_out(source_p, source_p, old);
1228  sendto_one(source_p, form_str(RPL_YOUREOPER), me.name, source_p->name);
1229 }
1230
1231 static char new_uid[TOTALSIDUID + 1];     /* allow for \0 */
1232
1233 int
1234 valid_sid(const char *sid)
1235 {
1236  if (strlen(sid) == IRC_MAXSID)
1237    if (IsDigit(*sid))
1238      if (IsAlNum(*(sid + 1)) && IsAlNum(*(sid + 2)))
1239        return 1;
875  
876 <  return 0;
1242 < }
1243 <
1244 < /*
1245 < * init_uid()
1246 < *
1247 < * inputs       - NONE
1248 < * output       - NONE
1249 < * side effects - new_uid is filled in with server id portion (sid)
1250 < *                (first 3 bytes) or defaulted to 'A'.
1251 < *                Rest is filled in with 'A'
1252 < */
1253 < void
1254 < init_uid(void)
1255 < {
1256 <  int i;
1257 <
1258 <  memset(new_uid, 0, sizeof(new_uid));
1259 <
1260 <  if (!EmptyString(ServerInfo.sid))
1261 <    strlcpy(new_uid, ServerInfo.sid, sizeof(new_uid));
1262 <
1263 <  for (i = 0; i < IRC_MAXSID; ++i)
1264 <    if (new_uid[i] == '\0')
1265 <      new_uid[i] = 'A';
1266 <
1267 <  /* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1268 <  /* Yes nenolod, I have known it was off by one ever since I wrote it
1269 <   * But *JUST* for you, though, it really doesn't look as *pretty*
1270 <   * -Dianora
1271 <   */
1272 <  memcpy(new_uid + IRC_MAXSID, "AAAAA@", IRC_MAXUID);
1273 <
1274 <  entering_umode_cb = register_callback("entering_umode", NULL);
1275 <  umode_cb = register_callback("changing_umode", change_simple_umode);
1276 < }
1277 <
1278 < /*
1279 < * add_one_to_uid
1280 < *
1281 < * inputs       - index number into new_uid
1282 < * output       - NONE
1283 < * side effects - new_uid is incremented by one
1284 < *                note this is a recursive function
1285 < */
1286 < static void
1287 < add_one_to_uid(int i)
1288 < {
1289 <  if (i != IRC_MAXSID)    /* Not reached server SID portion yet? */
876 >  if (!EmptyString(conf->whois))
877    {
878 <    if (new_uid[i] == 'Z')
879 <      new_uid[i] = '0';
880 <    else if (new_uid[i] == '9')
881 <    {
1295 <      new_uid[i] = 'A';
1296 <      add_one_to_uid(i-1);
1297 <    }
1298 <    else
1299 <      ++new_uid[i];
878 >    client_attach_svstag(source_p, RPL_WHOISOPERATOR, "+", conf->whois);
879 >    sendto_server(source_p, 0, 0, ":%s SVSTAG %s %lu %u + :%s",
880 >                  me.id, source_p->id, (unsigned long)source_p->tsinfo,
881 >                  RPL_WHOISOPERATOR, conf->whois);
882    }
1301  else
1302  {
1303    /* NOTE: if IRC_MAXUID != 6, this will have to be rewritten */
1304    if (new_uid[i] == 'Z')
1305      memcpy(new_uid + IRC_MAXSID, "AAAAAA", IRC_MAXUID);
1306    else
1307      ++new_uid[i];
1308  }
1309 }
1310
1311 /*
1312 * uid_get
1313 *
1314 * inputs       - struct Client *
1315 * output       - new UID is returned to caller
1316 * side effects - new_uid is incremented by one.
1317 */
1318 static const char *
1319 uid_get(void)
1320 {
1321  add_one_to_uid(TOTALSIDUID - 1);    /* index from 0 */
1322  return new_uid;
1323 }
1324
1325 /*
1326 * init_isupport()
1327 *
1328 * input        - NONE
1329 * output       - NONE
1330 * side effects - Must be called before isupport is enabled
1331 */
1332 void
1333 init_isupport(void)
1334 {
1335  isupportFile = init_MessageLine();
1336
1337  add_isupport("CALLERID", NULL, -1);
1338  add_isupport("CASEMAPPING", CASEMAP, -1);
1339  add_isupport("DEAF", "D", -1);
1340  add_isupport("KICKLEN", NULL, KICKLEN);
1341  add_isupport("MODES", NULL, MAXMODEPARAMS);
1342  add_isupport("NICKLEN", NULL, NICKLEN);
1343 #ifdef HALFOPS
1344  add_isupport("PREFIX", "(ohv)@%+", -1);
1345  add_isupport("STATUSMSG", "@%+", -1);
1346 #else
1347  add_isupport("PREFIX", "(ov)@+", -1);
1348  add_isupport("STATUSMSG", "@+", -1);
1349 #endif
1350  add_isupport("TOPICLEN", NULL, TOPICLEN);
1351 }
883  
884 < /*
885 < * add_isupport()
886 < *
887 < * input        - name of supported function
888 < *              - options if any
889 < *              - number if any
1359 < * output       - NONE
1360 < * side effects - Each supported item must call this when activated
1361 < */
1362 < void
1363 < add_isupport(const char *name, const char *options, int n)
1364 < {
1365 <  dlink_node *ptr;
1366 <  struct Isupport *support;
1367 <
1368 <  DLINK_FOREACH(ptr, support_list.head)
1369 <  {
1370 <    support = ptr->data;
1371 <    if (irccmp(support->name, name) == 0)
1372 <    {
1373 <      MyFree(support->name);
1374 <      MyFree(support->options);
1375 <      break;
1376 <    }
1377 <  }
1378 <
1379 <  if (ptr == NULL)
1380 <  {
1381 <    support = MyMalloc(sizeof(*support));
1382 <    dlinkAddTail(support, &support->node, &support_list);
1383 <  }
1384 <
1385 <  support->name = xstrdup(name);
1386 <  if (options != NULL)
1387 <    support->options = xstrdup(options);
1388 <  support->number = n;
1389 <
1390 <  rebuild_isupport_message_line();
1391 < }
1392 <
1393 < /*
1394 < * delete_isupport()
1395 < *
1396 < * input        - name of supported function
1397 < * output       - NONE
1398 < * side effects - Each supported item must call this when deactivated
1399 < */
1400 < void
1401 < delete_isupport(const char *name)
1402 < {
1403 <  dlink_node *ptr;
1404 <  struct Isupport *support;
1405 <
1406 <  DLINK_FOREACH(ptr, support_list.head)
1407 <  {
1408 <    support = ptr->data;
1409 <    if (irccmp(support->name, name) == 0)
1410 <    {
1411 <      dlinkDelete(ptr, &support_list);
1412 <      MyFree(support->name);
1413 <      MyFree(support->options);
1414 <      MyFree(support);
1415 <      break;
1416 <    }
1417 <  }
1418 <
1419 <  rebuild_isupport_message_line();
1420 < }
1421 <
1422 < /*
1423 < * rebuild_isupport_message_line
1424 < *
1425 < * input        - NONE
1426 < * output       - NONE
1427 < * side effects - Destroy the isupport MessageFile lines, and rebuild.
1428 < */
1429 < void
1430 < rebuild_isupport_message_line(void)
1431 < {
1432 <  char isupportbuffer[IRCD_BUFSIZE];
1433 <  char *p = isupportbuffer;
1434 <  dlink_node *ptr = NULL;
1435 <  int n = 0;
1436 <  int tokens = 0;
1437 <  size_t len = 0;
1438 <  size_t reserve = strlen(me.name) + HOSTLEN + strlen(form_str(RPL_ISUPPORT));
1439 <
1440 <  destroy_MessageLine(isupportFile);
1441 <
1442 <  DLINK_FOREACH(ptr, support_list.head)
1443 <  {
1444 <    struct Isupport *support = ptr->data;
1445 <
1446 <    p += (n = ircsprintf(p, "%s", support->name));
1447 <    len += n;
1448 <
1449 <    if (support->options != NULL)
1450 <    {
1451 <      p += (n = ircsprintf(p, "=%s", support->options));
1452 <      len += n;
1453 <    }
1454 <
1455 <    if (support->number > 0)
1456 <    {
1457 <      p += (n = ircsprintf(p, "=%d", support->number));
1458 <      len += n;
1459 <    }
1460 <
1461 <    *p++ = ' ';
1462 <    len++;
1463 <    *p = '\0';
1464 <
1465 <    if (++tokens == (MAXPARA-2) || len >= (sizeof(isupportbuffer)-reserve))
1466 <    { /* arbritrary for now */
1467 <      if (*--p == ' ')
1468 <        *p = '\0';
1469 <
1470 <      addto_MessageLine(isupportFile, isupportbuffer);
1471 <      p = isupportbuffer;
1472 <      len = 0;
1473 <      n = tokens = 0;
1474 <    }
1475 <  }
1476 <
1477 <  if (len != 0)
1478 <  {
1479 <    if (*--p == ' ')
1480 <      *p = '\0';
1481 <    addto_MessageLine(isupportFile, isupportbuffer);
1482 <  }
884 >  sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, "%s is now an operator",
885 >                       get_oper_name(source_p));
886 >  sendto_server(NULL, 0, 0, ":%s GLOBOPS :%s is now an operator",
887 >                me.id, get_oper_name(source_p));
888 >  send_umode_out(source_p, old);
889 >  sendto_one_numeric(source_p, &me, RPL_YOUREOPER);
890   }

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