1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2010 InspIRCd Development Team
6 * See: http://wiki.inspircd.org/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
16 /** Handle /WHO. These command handlers can be reloaded by the core,
17 * and handle basic RFC1459 commands. Commands within modules work
18 * the same way, however, they can be fully unloaded, where these
21 class CommandWho : public Command
23 bool CanView(Channel* chan, User* user);
24 bool opt_viewopersonly;
25 bool opt_showrealhost;
37 /** Constructor for who.
39 CommandWho ( Module* parent) : Command(parent,"WHO", 1) {
40 syntax = "<server>|<nickname>|<channel>|<realname>|<host>|0 [ohurmMiaplf]";
42 void SendWhoLine(User* user, const std::vector<std::string>& parms, const std::string &initial, Channel* ch, User* u, std::vector<std::string> &whoresults);
44 * @param parameters The parameters to the comamnd
45 * @param pcnt The number of parameters passed to teh command
46 * @param user The user issuing the command
47 * @return A value from CmdResult to indicate command success or failure.
49 CmdResult Handle(const std::vector<std::string>& parameters, User *user);
50 bool whomatch(User* cuser, User* user, const char* matchtext);
54 static Channel* get_first_visible_channel(User *u)
56 UCListIter i = u->chans.begin();
57 while (i != u->chans.end())
60 if (!c->IsModeSet('s'))
66 bool CommandWho::whomatch(User* cuser, User* user, const char* matchtext)
69 bool positive = false;
71 if (user->registered != REG_ALL)
74 if (opt_local && !IS_LOCAL(user))
76 else if (opt_far && IS_LOCAL(user))
81 for (const char* n = matchtext; *n; n++)
93 if (user->IsModeSet(*n) != positive)
101 * This was previously one awesome pile of ugly nested if, when really, it didn't need
102 * to be, since only one condition was ever checked, a chained if works just fine.
108 const Extensible::ExtensibleStore& list = user->GetExtList();
109 for(Extensible::ExtensibleStore::const_iterator i = list.begin(); i != list.end(); ++i)
110 if (InspIRCd::Match(i->first->name, matchtext))
113 else if (opt_realname)
114 match = InspIRCd::Match(user->fullname, matchtext);
115 else if (opt_showrealhost)
116 match = InspIRCd::Match(user->host, matchtext, ascii_case_insensitive_map);
118 match = InspIRCd::Match(user->ident, matchtext, ascii_case_insensitive_map);
121 irc::portparser portrange(matchtext, false);
123 while ((portno = portrange.GetToken()))
124 if (IS_LOCAL(user) && portno == IS_LOCAL(user)->GetServerPort())
131 match = InspIRCd::Match(user->awaymsg, matchtext);
134 long seconds = ServerInstance->Duration(matchtext);
136 // Okay, so time matching, we want all users connected `seconds' ago
137 if (user->age >= ServerInstance->Time() - seconds)
142 * Once the conditionals have been checked, only check dhost/nick/server
143 * if they didn't match this user -- and only match if we don't find a match.
145 * This should make things minutely faster, and again, less ugly.
149 match = InspIRCd::Match(user->dhost, matchtext, ascii_case_insensitive_map);
152 match = InspIRCd::Match(user->nick, matchtext);
154 /* Don't allow server name matches if HideWhoisServer is enabled, unless the command user has the priv */
155 if (!match && (ServerInstance->Config->HideWhoisServer.empty() || cuser->HasPrivPermission("users/auspex")))
156 match = InspIRCd::Match(user->server, matchtext);
162 bool CommandWho::CanView(Channel* chan, User* user)
167 /* Bug #383 - moved higher up the list, because if we are in the channel
168 * we can see all its users
170 if (chan->HasUser(user))
173 if (user->HasPrivPermission("users/auspex"))
175 /* Cant see inside a +s or a +p channel unless we are a member (see above) */
176 else if (!chan->IsModeSet('s') && !chan->IsModeSet('p'))
182 void CommandWho::SendWhoLine(User* user, const std::vector<std::string>& parms, const std::string &initial, Channel* ch, User* u, std::vector<std::string> &whoresults)
185 ch = get_first_visible_channel(u);
187 std::string wholine = initial + (ch ? ch->name : "*") + " " + u->ident + " " +
188 (opt_showrealhost ? u->host : u->dhost) + " ";
189 if (!ServerInstance->Config->HideWhoisServer.empty() && !user->HasPrivPermission("servers/auspex"))
190 wholine.append(ServerInstance->Config->HideWhoisServer);
192 wholine.append(u->server);
194 wholine.append(" " + u->nick + " ");
209 wholine.push_back('*');
213 wholine.append(ch->GetPrefixChar(u));
215 wholine.append(" :0 " + u->fullname);
217 FOREACH_MOD(I_OnSendWhoLine, OnSendWhoLine(user, parms, u, wholine));
219 if (!wholine.empty())
220 whoresults.push_back(wholine);
223 CmdResult CommandWho::Handle (const std::vector<std::string>& parameters, User *user)
227 * The <name> passed to WHO is matched against users' host, server, real
229 * Currently, we support WHO #chan, WHO nick, WHO 0, WHO *, and the addition of a 'o' flag, as per RFC.
233 opt_viewopersonly = false;
234 opt_showrealhost = false;
235 opt_realname = false;
238 opt_metadata = false;
246 std::vector<std::string> whoresults;
247 std::string initial = "352 " + std::string(user->nick) + " ";
249 char matchtext[MAXBUF];
250 bool usingwildcards = false;
252 /* Change '0' into '*' so the wildcard matcher can grok it */
253 if (parameters[0] == "0")
254 strlcpy(matchtext, "*", MAXBUF);
256 strlcpy(matchtext, parameters[0].c_str(), MAXBUF);
258 for (const char* check = matchtext; *check; check++)
260 if (*check == '*' || *check == '?')
262 usingwildcards = true;
267 if (parameters.size() > 1)
269 /* Fix for bug #444, WHO flags count as a wildcard */
270 usingwildcards = true;
272 for (std::string::const_iterator iter = parameters[1].begin(); iter != parameters[1].end(); ++iter)
277 opt_viewopersonly = true;
280 if (user->HasPrivPermission("users/auspex"))
281 opt_showrealhost = true;
287 if (user->HasPrivPermission("users/auspex"))
291 if (user->HasPrivPermission("users/auspex"))
298 if (user->HasPrivPermission("users/auspex"))
305 if (user->HasPrivPermission("users/auspex") || ServerInstance->Config->HideWhoisServer.empty())
309 if (user->HasPrivPermission("users/auspex") || ServerInstance->Config->HideWhoisServer.empty())
320 /* who on a channel? */
321 ch = ServerInstance->FindChan(matchtext);
325 if (CanView(ch,user))
327 bool inside = ch->HasUser(user);
329 /* who on a channel. */
330 const UserMembList *cu = ch->GetUsers();
332 for (UserMembCIter i = cu->begin(); i != cu->end(); i++)
334 /* None of this applies if we WHO ourselves */
335 if (user != i->first)
337 /* opers only, please */
338 if (opt_viewopersonly && !IS_OPER(i->first))
341 /* If we're not inside the channel, hide +i users */
342 if (i->first->IsModeSet('i') && !inside && !user->HasPrivPermission("users/auspex"))
346 SendWhoLine(user, parameters, initial, ch, i->first, whoresults);
352 /* Match against wildcard of nick, server or host */
353 if (opt_viewopersonly)
355 /* Showing only opers */
356 for (std::list<User*>::iterator i = ServerInstance->Users->all_opers.begin(); i != ServerInstance->Users->all_opers.end(); i++)
360 if (whomatch(user, oper, matchtext))
362 if (!user->SharesChannelWith(oper))
364 if (usingwildcards && (!oper->IsModeSet('i')) && (!user->HasPrivPermission("users/auspex")))
368 SendWhoLine(user, parameters, initial, NULL, oper, whoresults);
374 for (user_hash::iterator i = ServerInstance->Users->clientlist->begin(); i != ServerInstance->Users->clientlist->end(); i++)
376 if (whomatch(user, i->second, matchtext))
378 if (!user->SharesChannelWith(i->second))
380 if (usingwildcards && (i->second->IsModeSet('i')) && (!user->HasPrivPermission("users/auspex")))
384 SendWhoLine(user, parameters, initial, NULL, i->second, whoresults);
389 /* Send the results out */
390 for (std::vector<std::string>::const_iterator n = whoresults.begin(); n != whoresults.end(); n++)
392 user->WriteNumeric(315, "%s %s :End of /WHO list.",user->nick.c_str(), *parameters[0].c_str() ? parameters[0].c_str() : "*");
394 // Penalize the user a bit for large queries
395 // (add one unit of penalty per 200 results)
397 IS_LOCAL(user)->CommandFloodPenalty += whoresults.size() * 5;
401 COMMAND_INIT(CommandWho)