1 |
/* |
2 |
* ptasks.C: Implementation of common protocol tasks. |
3 |
* |
4 |
* Copyright © 2007 Pippijn van Steenhoven / The Ermyth Team |
5 |
* Rights to this code are as documented in COPYING. |
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* |
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* |
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* Portions of this file were derived from sources bearing the following license: |
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* Rights to this code are documented in doc/pod/license.pod. |
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* Copyright © 2005-2007 Atheme Project (http://www.atheme.org) |
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*/ |
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|
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static char const rcsid[] = "$Id: ptasks.C,v 1.10 2007-09-16 18:54:45 pippijn Exp $"; |
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|
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#include <boost/foreach.hpp> |
16 |
|
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#include "atheme.h" |
18 |
#include <libermyth.h> |
19 |
#include <ermyth/system.h> |
20 |
#include <util/time.h> |
21 |
#include "servers.h" |
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#include <account/myuser.h> |
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#include <account/mynick.h> |
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#include <account/kline.h> |
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#include <account/svsignore.h> |
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#include <util/random.h> |
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#include "uplink.h" |
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#include "pmodule.h" |
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#include "privs.h" |
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#include "connection.h" |
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|
32 |
void |
33 |
handle_info (user_t *u) |
34 |
{ |
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unsigned int i; |
36 |
|
37 |
if (u == NULL) |
38 |
return; |
39 |
if (floodcheck (u, NULL)) |
40 |
return; |
41 |
|
42 |
for (i = 0; infotext[i]; i++) |
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phandler->numeric_sts (me.name, 371, u->nick, ":%s", infotext[i]); |
44 |
|
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phandler->numeric_sts (me.name, 374, u->nick, ":End of /INFO list"); |
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} |
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|
48 |
void |
49 |
handle_version (user_t *u) |
50 |
{ |
51 |
if (u == NULL) |
52 |
return; |
53 |
if (floodcheck (u, NULL)) |
54 |
return; |
55 |
|
56 |
phandler->numeric_sts (me.name, 351, u->nick, ":" PACKAGE_NAME "-%s. %s %s%s%s%s%s%s%s%s%s%s [%s]", version, me.name, (match_mapping) ? "A" : "", log_debug_enabled ()? "d" : "", (me.auth) ? "e" : "", (config_options.flood_msgs) ? "F" : "", (config_options.leave_chans) ? "l" : "", (config_options.join_chans) ? "j" : "", (chansvs.changets) ? "t" : "", (!match_mapping) ? "R" : "", (config_options.raw) ? "r" : "", (runflags & RF_LIVE) ? "n" : "", ircd->ircdname); |
57 |
phandler->numeric_sts (me.name, 351, u->nick, ":Compile time: %s, build %s", creation, generation); |
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} |
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|
60 |
void |
61 |
handle_admin (user_t *u) |
62 |
{ |
63 |
if (u == NULL) |
64 |
return; |
65 |
|
66 |
if (floodcheck (u, NULL)) |
67 |
return; |
68 |
|
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phandler->numeric_sts (me.name, 256, u->nick, ":Administrative info about %s", me.name); |
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phandler->numeric_sts (me.name, 257, u->nick, ":%s", me.adminname); |
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phandler->numeric_sts (me.name, 258, u->nick, ":Ermyth IRC Services (" PACKAGE_NAME "-%s)", version); |
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phandler->numeric_sts (me.name, 259, u->nick, ":<%s>", me.adminemail); |
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} |
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|
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static void |
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connection_stats_cb (char const * const line, void *privdata) |
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{ |
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phandler->numeric_sts (me.name, 249, ((user_t *) privdata)->nick, "F :%s", line); |
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} |
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|
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void |
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handle_stats (user_t *u, char req) |
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{ |
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kline_t *k; |
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kline_t::list_type::iterator klit = kline_t::list.begin (); |
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kline_t::list_type::iterator klet = kline_t::list.end (); |
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int i, j; |
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char fl[10]; |
89 |
|
90 |
if (floodcheck (u, NULL)) |
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return; |
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logcommand_user (NULL, u, CMDLOG_GET, "STATS %c", req); |
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|
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switch (req) |
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{ |
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#if 0 // bye for now, dictionaries |
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case 'B': |
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if (!has_priv_user (u, PRIV_SERVER_AUSPEX)) |
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break; |
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|
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dictionary_stats (dictionary_stats_cb, u); |
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break; |
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#endif |
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|
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case 'C': |
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case 'c': |
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if (!has_priv_user (u, PRIV_SERVER_AUSPEX)) |
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break; |
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|
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foreach (uplink_t *ul, uplinks) |
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phandler->numeric_sts (me.name, 213, u->nick, "C *@127.0.0.1 A %s %d uplink", ul->name, ul->port); |
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break; |
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|
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case 'E': |
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case 'e': |
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if (!has_priv_user (u, PRIV_SERVER_AUSPEX)) |
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break; |
118 |
|
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phandler->numeric_sts (me.name, 249, u->nick, "E :Last event to run: %s", last_event_ran); |
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|
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phandler->numeric_sts (me.name, 249, u->nick, "E :%-28s %s", "Operation", "Next Execution"); |
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for (i = 0; i < MAX_EVENTS; i++) |
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{ |
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if (event_table[i].active) |
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phandler->numeric_sts (me.name, 249, u->nick, "E :%-28s %4d seconds (%d)", event_table[i].name, event_table[i].when - NOW, event_table[i].frequency); |
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} |
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|
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break; |
129 |
|
130 |
case 'f': |
131 |
case 'F': |
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if (!has_priv_user (u, PRIV_SERVER_AUSPEX)) |
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break; |
134 |
|
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connection_t::stats (connection_stats_cb, u); |
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break; |
137 |
|
138 |
case 'H': |
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case 'h': |
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if (!has_priv_user (u, PRIV_SERVER_AUSPEX)) |
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break; |
142 |
|
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foreach (uplink_t *ul, uplinks) |
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phandler->numeric_sts (me.name, 244, u->nick, "H * * %s", ul->name); |
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break; |
146 |
|
147 |
case 'I': |
148 |
case 'i': |
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phandler->numeric_sts (me.name, 215, u->nick, "I * * *@%s 0 nonopered", me.name); |
150 |
break; |
151 |
|
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case 'K': |
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case 'k': |
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if (!has_priv_user (u, PRIV_AKILL)) |
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break; |
156 |
|
157 |
while (klit != klet) |
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{ |
159 |
k = *klit; |
160 |
|
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phandler->numeric_sts (me.name, 216, u->nick, "K %s * %s :%s", k->host, k->user, k->reason); |
162 |
++klit; |
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} |
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|
165 |
break; |
166 |
|
167 |
case 'o': |
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case 'O': |
169 |
if (!has_priv_user (u, PRIV_VIEWPRIVS)) |
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break; |
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|
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foreach (soper_t *soper, soper_t::list) |
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{ |
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j = 0; |
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if (!(soper->flags & SOPER_CONF)) |
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fl[j++] = 'D'; |
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if (soper->operclass != NULL && soper->operclass->flags & OPERCLASS_NEEDOPER) |
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fl[j++] = 'O'; |
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if (j == 0) |
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fl[j++] = '*'; |
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fl[j] = '\0'; |
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phandler->numeric_sts (me.name, 243, u->nick, "O *@* %s %s %s %s", fl, soper->myuser ? soper->myuser->name : soper->name, soper->operclass ? soper->operclass->name : soper->classname, "-1"); |
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} |
184 |
break; |
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|
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case 'T': |
187 |
case 't': |
188 |
if (!has_priv_user (u, PRIV_SERVER_AUSPEX)) |
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break; |
190 |
|
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phandler->numeric_sts (me.name, 249, u->nick, "T :event %7d", system_state.event); |
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phandler->numeric_sts (me.name, 249, u->nick, "T :node %7d", system_state.node); |
193 |
phandler->numeric_sts (me.name, 249, u->nick, "T :connection %7d", connection_t::count ()); |
194 |
phandler->numeric_sts (me.name, 249, u->nick, "T :operclass %7d", cnt.operclass); |
195 |
phandler->numeric_sts (me.name, 249, u->nick, "T :soper %7d", cnt.soper); |
196 |
phandler->numeric_sts (me.name, 249, u->nick, "T :tld %7d", cnt.tld); |
197 |
phandler->numeric_sts (me.name, 249, u->nick, "T :kline %7d", cnt.kline); |
198 |
phandler->numeric_sts (me.name, 249, u->nick, "T :server %7d", cnt.server); |
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phandler->numeric_sts (me.name, 249, u->nick, "T :user %7d", cnt.user); |
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phandler->numeric_sts (me.name, 249, u->nick, "T :chan %7d", cnt.chan); |
201 |
phandler->numeric_sts (me.name, 249, u->nick, "T :chanuser %7d", cnt.chanuser); |
202 |
phandler->numeric_sts (me.name, 249, u->nick, "T :myuser %7d", cnt.myuser); |
203 |
phandler->numeric_sts (me.name, 249, u->nick, "T :myuser_acc %7d", cnt.myuser_access); |
204 |
phandler->numeric_sts (me.name, 249, u->nick, "T :mynick %7d", cnt.mynick); |
205 |
phandler->numeric_sts (me.name, 249, u->nick, "T :mychan %7d", cnt.mychan); |
206 |
phandler->numeric_sts (me.name, 249, u->nick, "T :chanacs %7d", cnt.chanacs); |
207 |
|
208 |
phandler->numeric_sts (me.name, 249, u->nick, "T :bytes sent %7.2f%s", bytes (cnt.bout), sbytes (cnt.bout)); |
209 |
phandler->numeric_sts (me.name, 249, u->nick, "T :bytes recv %7.2f%s", bytes (cnt.bin), sbytes (cnt.bin)); |
210 |
break; |
211 |
|
212 |
case 'u': |
213 |
phandler->numeric_sts (me.name, 242, u->nick, ":Services Uptime: %s", timediff (NOW - me.start)); |
214 |
break; |
215 |
|
216 |
case 'V': |
217 |
case 'v': |
218 |
if (!has_priv_user (u, PRIV_SERVER_AUSPEX)) |
219 |
break; |
220 |
|
221 |
/* we received this command from the uplink, so, |
222 |
* hmm, it is not idle */ |
223 |
phandler->numeric_sts (me.name, 249, u->nick, "V :%s (AutoConn.!*@*) Idle: 0 SendQ: ? Connected: %s", curr_uplink->name, timediff (NOW - curr_uplink->conn->first_recv)); |
224 |
break; |
225 |
|
226 |
default: |
227 |
break; |
228 |
} |
229 |
|
230 |
phandler->numeric_sts (me.name, 219, u->nick, "%c :End of /STATS report", req); |
231 |
} |
232 |
|
233 |
void |
234 |
handle_whois (user_t *u, char *target) |
235 |
{ |
236 |
user_t *t = user_find_named (target); |
237 |
|
238 |
if (u == NULL) |
239 |
return; |
240 |
if (floodcheck (u, NULL)) |
241 |
return; |
242 |
|
243 |
if (t != NULL) |
244 |
{ |
245 |
phandler->numeric_sts (me.name, 311, u->nick, "%s %s %s * :%s", t->nick, t->user, t->vhost, t->gecos); |
246 |
/* channels purposely omitted */ |
247 |
phandler->numeric_sts (me.name, 312, u->nick, "%s %s :%s", t->nick, t->server->name, t->server->desc); |
248 |
if (t->flags & UF_AWAY) |
249 |
phandler->numeric_sts (me.name, 301, u->nick, "%s :Gone", t->nick); |
250 |
if (is_ircop (t)) |
251 |
phandler->numeric_sts (me.name, 313, u->nick, "%s :%s", t->nick, is_internal_client (t) ? "is a Network Service" : "is an IRC Operator"); |
252 |
if (t->myuser) |
253 |
phandler->numeric_sts (me.name, 330, u->nick, "%s %s :is logged in as", t->nick, t->myuser->name); |
254 |
} |
255 |
else |
256 |
phandler->numeric_sts (me.name, 401, u->nick, "%s :No such nick", target); |
257 |
phandler->numeric_sts (me.name, 318, u->nick, "%s :End of WHOIS", target); |
258 |
} |
259 |
|
260 |
static void |
261 |
single_trace (user_t *u, user_t *t) |
262 |
{ |
263 |
if (is_ircop (t)) |
264 |
phandler->numeric_sts (me.name, 204, u->nick, "Oper service %s[%s@%s] (255.255.255.255) 0 0", t->nick, t->user, t->vhost); |
265 |
else |
266 |
phandler->numeric_sts (me.name, 205, u->nick, "User service %s[%s@%s] (255.255.255.255) 0 0", t->nick, t->user, t->vhost); |
267 |
} |
268 |
|
269 |
/* target -> object to trace |
270 |
* dest -> server to execute command on |
271 |
*/ |
272 |
void |
273 |
handle_trace (user_t *u, char *target, char *dest) |
274 |
{ |
275 |
user_t *t; |
276 |
node_t *n; |
277 |
int nusers; |
278 |
|
279 |
if (u == NULL) |
280 |
return; |
281 |
if (floodcheck (u, NULL)) |
282 |
return; |
283 |
if (!match (target, me.name) || !irccasecmp (target, ME)) |
284 |
{ |
285 |
nusers = cnt.user; |
286 |
LIST_FOREACH (n, me.me->userlist.head) |
287 |
{ |
288 |
t = static_cast<user_t *> (n->data); |
289 |
single_trace (u, t); |
290 |
nusers--; |
291 |
} |
292 |
if (has_priv_user (u, PRIV_SERVER_AUSPEX)) |
293 |
phandler->numeric_sts (me.name, 206, u->nick, "Serv uplink %dS %dC %s *!*@%s 0", cnt.server - 1, nusers, me.actual, me.name); |
294 |
target = me.name; |
295 |
} |
296 |
else |
297 |
{ |
298 |
t = dest != NULL ? user_find_named (target) : user_find (target); |
299 |
if (t != NULL && t->server == me.me) |
300 |
{ |
301 |
single_trace (u, t); |
302 |
target = t->nick; |
303 |
} |
304 |
} |
305 |
phandler->numeric_sts (me.name, 262, u->nick, "%s :End of TRACE", target); |
306 |
} |
307 |
|
308 |
void |
309 |
handle_motd (user_t *u) |
310 |
{ |
311 |
FILE *f; |
312 |
char lbuf[BUFSIZE]; |
313 |
char nebuf[BUFSIZE]; |
314 |
char cebuf[BUFSIZE]; |
315 |
char ubuf[BUFSIZE]; |
316 |
char cbuf[BUFSIZE]; |
317 |
char nbuf[BUFSIZE]; |
318 |
|
319 |
if (u == NULL) |
320 |
return; |
321 |
if (floodcheck (u, NULL)) |
322 |
return; |
323 |
|
324 |
f = fopen (SYSCONFDIR "/" PACKAGE_NAME ".motd", "r"); |
325 |
if (!f) |
326 |
{ |
327 |
phandler->numeric_sts (me.name, 422, u->nick, ":The MOTD file is unavailable."); |
328 |
return; |
329 |
} |
330 |
|
331 |
snprintf (nebuf, BUFSIZE, "%" PRItime, nicksvs.expiry / 86400); |
332 |
snprintf (cebuf, BUFSIZE, "%" PRItime, chansvs.expiry / 86400); |
333 |
snprintf (ubuf, BUFSIZE, "%d", cnt.myuser); |
334 |
snprintf (nbuf, BUFSIZE, "%d", nicksvs.no_nick_ownership ? 0 : cnt.mynick); |
335 |
snprintf (cbuf, BUFSIZE, "%d", cnt.mychan); |
336 |
|
337 |
phandler->numeric_sts (me.name, 375, u->nick, ":- %s Message of the Day -", me.name); |
338 |
|
339 |
while (fgets (lbuf, BUFSIZE, f)) |
340 |
{ |
341 |
strip (lbuf); |
342 |
|
343 |
replace (lbuf, BUFSIZE, "&network&", me.netname); |
344 |
replace (lbuf, BUFSIZE, "&nickexpiry&", nebuf); |
345 |
replace (lbuf, BUFSIZE, "&chanexpiry&", cebuf); |
346 |
replace (lbuf, BUFSIZE, "&myusers&", ubuf); |
347 |
replace (lbuf, BUFSIZE, "&mynicks&", nbuf); |
348 |
replace (lbuf, BUFSIZE, "&mychans&", cbuf); |
349 |
|
350 |
phandler->numeric_sts (me.name, 372, u->nick, ":- %s", lbuf); |
351 |
} |
352 |
|
353 |
phandler->numeric_sts (me.name, 376, u->nick, ":End of the message of the day."); |
354 |
|
355 |
fclose (f); |
356 |
} |
357 |
|
358 |
void |
359 |
handle_away (user_t *u, char const * const message) |
360 |
{ |
361 |
if (message == NULL || *message == '\0') |
362 |
{ |
363 |
if (u->flags & UF_AWAY) |
364 |
{ |
365 |
u->flags &= ~UF_AWAY; |
366 |
u->callback.away (u); |
367 |
} |
368 |
} |
369 |
else |
370 |
{ |
371 |
if (!(u->flags & UF_AWAY)) |
372 |
{ |
373 |
u->flags |= UF_AWAY; |
374 |
u->callback.away (u); |
375 |
} |
376 |
} |
377 |
} |
378 |
|
379 |
void |
380 |
handle_channel_message (sourceinfo_t *si, char *target, bool is_notice, char *message) |
381 |
{ |
382 |
char *vec[3]; |
383 |
node_t *n; |
384 |
|
385 |
/* Call hook here */ |
386 |
channel_t *c = channel_find (target); |
387 |
/* No such channel, ignore... */ |
388 |
if (c == NULL) |
389 |
return; |
390 |
c->callback.message (c, si->su, message); |
391 |
|
392 |
vec[0] = target; |
393 |
vec[1] = message; |
394 |
vec[2] = NULL; |
395 |
|
396 |
LIST_FOREACH (n, c->members.head) |
397 |
{ |
398 |
chanuser_t *cu = static_cast<chanuser_t *> (n->data); |
399 |
|
400 |
if (!is_internal_client (cu->user)) |
401 |
continue; |
402 |
|
403 |
si->service = find_service (cu->user->nick); |
404 |
|
405 |
if (si->service == NULL) |
406 |
continue; |
407 |
|
408 |
if (si->service->chanmsg == false) |
409 |
continue; |
410 |
|
411 |
if (is_notice) |
412 |
si->service->notice_handler (si, 2, vec); |
413 |
else |
414 |
si->service->handler (si, 2, vec); |
415 |
} |
416 |
} |
417 |
|
418 |
void |
419 |
handle_message (sourceinfo_t *si, char *target, bool is_notice, char *message) |
420 |
{ |
421 |
char *vec[3]; |
422 |
|
423 |
/* message from server, ignore */ |
424 |
if (si->su == NULL) |
425 |
return; |
426 |
|
427 |
/* if this is a channel, handle it differently. */ |
428 |
if (*target == '#') |
429 |
{ |
430 |
handle_channel_message (si, target, is_notice, message); |
431 |
return; |
432 |
} |
433 |
|
434 |
si->service = find_service (target); |
435 |
|
436 |
if (si->service == NULL) |
437 |
{ |
438 |
if (!is_notice && (isalnum (target[0]) || strchr ("[\\]^_`{|}~", target[0]))) |
439 |
{ |
440 |
/* If it's not a notice and looks like a nick or |
441 |
* user@server, send back an error message */ |
442 |
if (strchr (target, '@') || !ircd->uses_uid || (!ircd->uses_p10 && !isdigit (target[0]))) |
443 |
phandler->numeric_sts (me.name, 401, si->su->nick, "%s :No such nick", target); |
444 |
else |
445 |
phandler->numeric_sts (me.name, 401, si->su->nick, "* :Target left IRC. Failed to deliver: [%.20s]", message); |
446 |
} |
447 |
return; |
448 |
} |
449 |
|
450 |
/* Run it through flood checks. Channel commands are checked |
451 |
* separately. |
452 |
*/ |
453 |
if (si->service->me != NULL && floodcheck (si->su, si->service->me)) |
454 |
return; |
455 |
|
456 |
if (!is_notice && config_options.secure && irccasecmp (target, si->service->disp)) |
457 |
{ |
458 |
notice (si->service->me->nick, si->su->nick, "For security reasons, \2/msg %s\2 has been disabled." |
459 |
" Use \2/%s%s <command>\2 to send a command.", |
460 |
si->service->me->nick, |
461 |
ircd->uses_rcommand ? "" : "msg ", |
462 |
si->service->disp); |
463 |
return; |
464 |
} |
465 |
|
466 |
vec[0] = target; |
467 |
vec[1] = message; |
468 |
vec[2] = NULL; |
469 |
if (is_notice) |
470 |
si->service->notice_handler (si, 2, vec); |
471 |
else |
472 |
si->service->handler (si, 2, vec); |
473 |
} |
474 |
|
475 |
void |
476 |
handle_topic_from (sourceinfo_t *si, channel_t *c, char const * const setter, time_t ts, char const *topic) |
477 |
{ |
478 |
bool approved = false; |
479 |
if (topic != NULL && topic[0] == '\0') |
480 |
topic = NULL; |
481 |
|
482 |
if (topic != NULL ? c->topic == NULL || strcmp (topic, c->topic) : c->topic != NULL) |
483 |
/* Only call the hook if the topic actually changed */ |
484 |
approved = c->callback.can_change_topic (c, si->su, si->s, setter, ts, topic); |
485 |
|
486 |
if (approved) |
487 |
{ |
488 |
/* Allowed, process the change further */ |
489 |
handle_topic (c, setter, ts, topic); |
490 |
} |
491 |
else |
492 |
{ |
493 |
/* Not allowed, change it back */ |
494 |
if (c->topic != NULL) |
495 |
phandler->topic_sts (c, c->topic_setter, c->topicts, ts, c->topic); |
496 |
else |
497 |
/* Ick, there was no topic */ |
498 |
phandler->topic_sts (c, chansvs.nick != NULL ? chansvs.nick : me.name, ts - 1, ts, ""); |
499 |
} |
500 |
} |
501 |
|
502 |
void |
503 |
handle_topic (channel_t *c, char const * const setter, time_t ts, char const * const topic) |
504 |
{ |
505 |
char newsetter[HOSTLEN], *p; |
506 |
|
507 |
/* setter can be a nick, nick!user@host or server. |
508 |
* strip off !user@host part if it's there |
509 |
* (do we really want this?) */ |
510 |
strlcpy (newsetter, setter, sizeof newsetter); |
511 |
p = strchr (newsetter, '!'); |
512 |
if (p != NULL) |
513 |
*p = '\0'; |
514 |
/* drop identical topics from servers or chanserv, and ones with |
515 |
* identical topicts */ |
516 |
if (topic != NULL && c->topic != NULL && !strcmp (topic, c->topic) && (strchr (newsetter, '.') || (chansvs.nick && !irccasecmp (newsetter, chansvs.nick)) || ts == c->topicts)) |
517 |
return; |
518 |
if (c->topic != NULL) |
519 |
sfree (c->topic); |
520 |
if (c->topic_setter != NULL) |
521 |
sfree (c->topic_setter); |
522 |
if (topic != NULL && topic[0] != '\0') |
523 |
{ |
524 |
c->topic = sstrdup (topic); |
525 |
c->topic_setter = sstrdup (newsetter); |
526 |
} |
527 |
else |
528 |
c->topic = c->topic_setter = NULL; |
529 |
c->topicts = ts; |
530 |
|
531 |
c->callback.topic (c); |
532 |
} |
533 |
|
534 |
void |
535 |
handle_kill (sourceinfo_t *si, char *victim, char const *reason) |
536 |
{ |
537 |
char const * const source = get_oper_name (si); |
538 |
user_t *u; |
539 |
static time_t lastkill = 0; |
540 |
static unsigned int killcount = 0; |
541 |
|
542 |
u = user_find (victim); |
543 |
if (u == NULL) |
544 |
slog (LG_DEBUG, "handle_kill(): %s killed unknown user %s (%s)", source, victim, reason); |
545 |
else if (u->server == me.me) |
546 |
{ |
547 |
slog (LG_INFO, "handle_kill(): %s killed service %s (%s)", source, u->nick, reason); |
548 |
if (lastkill != NOW && killcount < 5 + me.me->users) |
549 |
killcount = 0, lastkill = NOW; |
550 |
killcount++; |
551 |
if (killcount < 5 + me.me->users) |
552 |
reintroduce_user (u); |
553 |
else |
554 |
{ |
555 |
slog (LG_ERROR, "handle_kill(): services kill fight (%s -> %s), shutting down", source, u->nick); |
556 |
wallops (_("Services kill fight (%s -> %s), shutting down!"), source, u->nick); |
557 |
snoop (_("ERROR: Services kill fight (%s -> %s), shutting down!"), source, u->nick); |
558 |
runflags |= RF_SHUTDOWN; |
559 |
} |
560 |
} |
561 |
else |
562 |
{ |
563 |
slog (LG_DEBUG, "handle_kill(): %s killed user %s (%s)", source, u->nick, reason); |
564 |
user_delete (u); |
565 |
} |
566 |
} |
567 |
|
568 |
server_t * |
569 |
handle_server (sourceinfo_t *si, char const * const name, char const * const sid, int hops, char const * const desc) |
570 |
{ |
571 |
server_t *s = NULL; |
572 |
|
573 |
if (si->s != NULL) |
574 |
{ |
575 |
/* A server introducing another server */ |
576 |
s = server_add (name, hops, si->s->name, sid, desc); |
577 |
} |
578 |
else if (cnt.server == 1) |
579 |
{ |
580 |
/* Our uplink introducing itself */ |
581 |
if (irccasecmp (name, curr_uplink->name)) |
582 |
slog (LG_ERROR, "handle_server(): uplink %s actually has name %s, continuing anyway", curr_uplink->name, name); |
583 |
s = server_add (name, hops, me.name, sid, desc); |
584 |
me.actual = s->name; |
585 |
me.recvsvr = true; |
586 |
} |
587 |
else |
588 |
slog (LG_ERROR, "handle_server(): unregistered/unknown server attempting to introduce another server %s", name); |
589 |
return s; |
590 |
} |
591 |
|
592 |
void |
593 |
handle_eob (server_t *s) |
594 |
{ |
595 |
node_t *n; |
596 |
server_t *s2; |
597 |
|
598 |
if (s == NULL) |
599 |
return; |
600 |
if (s->flags & SF_EOB) |
601 |
return; |
602 |
slog (LG_NETWORK, "handle_eob(): end of burst from %s (%d users)", s->name, s->users); |
603 |
s->callback.eob (s); |
604 |
s->flags |= SF_EOB; |
605 |
/* convert P10 style EOB to ircnet/ratbox style */ |
606 |
LIST_FOREACH (n, s->children.head) |
607 |
{ |
608 |
s2 = static_cast<server_t *> (n->data); |
609 |
if (s2->flags & SF_EOB2) |
610 |
handle_eob (s2); |
611 |
} |
612 |
/* Reseed RNG now we have a little more data to seed with */ |
613 |
if (s->uplink == me.me) |
614 |
init_gen_rand (gen_rand32 () ^ ((NOW << 20) + cnt.user + (cnt.chanuser << 12)) ^ (cnt.chan << 17) ^ ~cnt.bin); |
615 |
} |
616 |
|
617 |
/* Received a message from a user, check if they are flooding |
618 |
* Returns true if the message should be ignored. |
619 |
* u - user sending the message |
620 |
* t - target of the message (to be used in warning the user, may be NULL |
621 |
* to use the server name) |
622 |
*/ |
623 |
int |
624 |
floodcheck (user_t *u, user_t *t) |
625 |
{ |
626 |
char *from; |
627 |
static time_t last_ignore_notice = 0; |
628 |
|
629 |
if (t == NULL) |
630 |
from = me.name; |
631 |
else if (t->server == me.me) |
632 |
from = t->nick; |
633 |
else |
634 |
{ |
635 |
slog (LG_ERROR, "BUG: tried to floodcheck message to non-service %s", t->nick); |
636 |
return 0; |
637 |
} |
638 |
|
639 |
/* Check if we match a services ignore */ |
640 |
if (svsignore_find(u)) |
641 |
{ |
642 |
if (u->msgs == 0 && last_ignore_notice != NOW) |
643 |
{ |
644 |
/* tell them once per session, don't flood */ |
645 |
u->msgs = 1; |
646 |
last_ignore_notice = NOW; |
647 |
notice (from, u->nick, _("You are on services ignore. You may not use any service.")); |
648 |
} |
649 |
return 1; |
650 |
} |
651 |
|
652 |
if (config_options.flood_msgs) |
653 |
{ |
654 |
/* check if they're being ignored */ |
655 |
if (u->offenses > 10) |
656 |
{ |
657 |
if ((NOW - u->lastmsg) > 30) |
658 |
{ |
659 |
u->offenses -= 10; |
660 |
u->lastmsg = NOW; |
661 |
u->msgs = 0; |
662 |
} |
663 |
else |
664 |
return 1; |
665 |
} |
666 |
|
667 |
if ((NOW - u->lastmsg) > config_options.flood_time) |
668 |
{ |
669 |
u->lastmsg = NOW; |
670 |
u->msgs = 0; |
671 |
} |
672 |
|
673 |
u->msgs++; |
674 |
|
675 |
if (u->msgs > config_options.flood_msgs) |
676 |
{ |
677 |
/* they're flooding. */ |
678 |
/* perhaps allowed to? -- jilles */ |
679 |
if (has_priv_user (u, PRIV_FLOOD)) |
680 |
{ |
681 |
u->msgs = 0; |
682 |
return 0; |
683 |
} |
684 |
if (!u->offenses) |
685 |
{ |
686 |
/* ignore them the first time */ |
687 |
u->lastmsg = NOW; |
688 |
u->msgs = 0; |
689 |
u->offenses = 11; |
690 |
|
691 |
/* ok to use nick here, notice() will |
692 |
* change it to UID if necessary -- jilles */ |
693 |
notice (from, u->nick, "You have triggered services flood protection."); |
694 |
notice (from, u->nick, "This is your first offense. You will be ignored for 30 seconds."); |
695 |
|
696 |
snoop ("FLOOD: \2%s\2", u->nick); |
697 |
|
698 |
return 1; |
699 |
} |
700 |
|
701 |
if (u->offenses == 1) |
702 |
{ |
703 |
/* ignore them the second time */ |
704 |
u->lastmsg = NOW; |
705 |
u->msgs = 0; |
706 |
u->offenses = 12; |
707 |
|
708 |
notice (from, u->nick, "You have triggered services flood protection."); |
709 |
notice (from, u->nick, "This is your last warning. You will be ignored for 30 seconds."); |
710 |
|
711 |
snoop ("FLOOD: \2%s\2", u->nick); |
712 |
|
713 |
return 1; |
714 |
} |
715 |
|
716 |
if (u->offenses == 2) |
717 |
{ |
718 |
kline_t *k; |
719 |
|
720 |
/* kline them the third time */ |
721 |
k = kline_t::create ("*", u->host, "ten minute ban: flooding services", 600); |
722 |
k->setby = sstrdup (chansvs.nick); |
723 |
|
724 |
snoop ("FLOOD:KLINE: \2%s\2", u->nick); |
725 |
|
726 |
return 1; |
727 |
} |
728 |
} |
729 |
} |
730 |
|
731 |
return 0; |
732 |
} |
733 |
|
734 |
bool |
735 |
should_reg_umode (user_t *u) |
736 |
{ |
737 |
mynick_t *mn; |
738 |
|
739 |
if (nicksvs.me == NULL || nicksvs.no_nick_ownership || u->myuser == NULL || u->myuser->flags & MU_WAITAUTH) |
740 |
return false; |
741 |
mn = mynick_t::find (u->nick); |
742 |
return mn != NULL && mn->owner == u->myuser; |
743 |
} |