2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
7 * This file is part of InspIRCd. InspIRCd is free software: you can
8 * redistribute it and/or modify it under the terms of the GNU General Public
9 * License as published by the Free Software Foundation, version 2.
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
13 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 class CommandWho : public Command
27 bool CanView(Channel* chan, User* user);
28 bool opt_viewopersonly;
29 bool opt_showrealhost;
39 ChanModeReference secretmode;
40 ChanModeReference privatemode;
41 UserModeReference hidechansmode;
42 UserModeReference invisiblemode;
44 Membership* get_first_visible_channel(User* source, User* u)
46 for (User::ChanList::iterator i = u->chans.begin(); i != u->chans.end(); ++i)
48 Membership* memb = *i;
50 /* XXX move the +I check into m_hidechans */
51 bool has_modes = memb->chan->IsModeSet(secretmode) || memb->chan->IsModeSet(privatemode) || u->IsModeSet(hidechansmode);
52 if (source == u || !has_modes || memb->chan->HasUser(source))
59 /** Constructor for who.
61 CommandWho(Module* parent)
62 : Command(parent, "WHO", 1)
63 , secretmode(parent, "secret")
64 , privatemode(parent, "private")
65 , hidechansmode(parent, "hidechans")
66 , invisiblemode(parent, "invisible")
68 syntax = "<server>|<nickname>|<channel>|<realname>|<host>|0 [ohurmMiaplf]";
71 void SendWhoLine(User* user, const std::vector<std::string>& parms, Membership* memb, User* u, std::vector<Numeric::Numeric>& whoresults);
73 * @param parameters The parameters to the command
74 * @param user The user issuing the command
75 * @return A value from CmdResult to indicate command success or failure.
77 CmdResult Handle(const std::vector<std::string>& parameters, User* user) CXX11_OVERRIDE;
78 bool whomatch(User* cuser, User* user, const char* matchtext);
81 bool CommandWho::whomatch(User* cuser, User* user, const char* matchtext)
84 bool positive = false;
86 if (user->registered != REG_ALL)
89 if (opt_local && !IS_LOCAL(user))
91 else if (opt_far && IS_LOCAL(user))
96 for (const char* n = matchtext; *n; n++)
108 if (user->IsModeSet(*n) != positive)
116 * This was previously one awesome pile of ugly nested if, when really, it didn't need
117 * to be, since only one condition was ever checked, a chained if works just fine.
123 const Extensible::ExtensibleStore& list = user->GetExtList();
124 for(Extensible::ExtensibleStore::const_iterator i = list.begin(); i != list.end(); ++i)
125 if (InspIRCd::Match(i->first->name, matchtext))
128 else if (opt_realname)
129 match = InspIRCd::Match(user->fullname, matchtext);
130 else if (opt_showrealhost)
131 match = InspIRCd::Match(user->GetRealHost(), matchtext, ascii_case_insensitive_map);
133 match = InspIRCd::Match(user->ident, matchtext, ascii_case_insensitive_map);
136 irc::portparser portrange(matchtext, false);
138 while ((portno = portrange.GetToken()))
139 if (IS_LOCAL(user) && portno == IS_LOCAL(user)->GetServerPort())
146 match = InspIRCd::Match(user->awaymsg, matchtext);
149 time_t seconds = ServerInstance->Time() - InspIRCd::Duration(matchtext);
151 // Okay, so time matching, we want all users connected `seconds' ago
152 if (user->signon >= seconds)
157 * Once the conditionals have been checked, only check dhost/nick/server
158 * if they didn't match this user -- and only match if we don't find a match.
160 * This should make things minutely faster, and again, less ugly.
164 match = InspIRCd::Match(user->GetDisplayedHost(), matchtext, ascii_case_insensitive_map);
167 match = InspIRCd::Match(user->nick, matchtext);
169 /* Don't allow server name matches if HideWhoisServer is enabled, unless the command user has the priv */
170 if (!match && (ServerInstance->Config->HideWhoisServer.empty() || cuser->HasPrivPermission("users/auspex")))
171 match = InspIRCd::Match(user->server->GetName(), matchtext);
177 bool CommandWho::CanView(Channel* chan, User* user)
179 /* Bug #383 - moved higher up the list, because if we are in the channel
180 * we can see all its users
182 if (chan->HasUser(user))
185 if (user->HasPrivPermission("users/auspex"))
187 /* Cant see inside a +s or a +p channel unless we are a member (see above) */
188 else if (!chan->IsModeSet(secretmode) && !chan->IsModeSet(privatemode))
194 void CommandWho::SendWhoLine(User* user, const std::vector<std::string>& parms, Membership* memb, User* u, std::vector<Numeric::Numeric>& whoresults)
197 memb = get_first_visible_channel(user, u);
199 Numeric::Numeric wholine(RPL_WHOREPLY);
200 wholine.push(memb ? memb->chan->name : "*").push(u->ident);
201 wholine.push(u->GetHost(opt_showrealhost));
202 if (!ServerInstance->Config->HideWhoisServer.empty() && !user->HasPrivPermission("servers/auspex"))
203 wholine.push(ServerInstance->Config->HideWhoisServer);
205 wholine.push(u->server->GetName());
207 wholine.push(u->nick);
213 param.push_back('G');
217 param.push_back('H');
223 param.push_back('*');
228 char prefix = memb->GetPrefixChar();
230 param.push_back(prefix);
235 wholine.GetParams().back().append(u->fullname);
238 FIRST_MOD_RESULT(OnSendWhoLine, res, (user, parms, u, memb, wholine));
239 if (res != MOD_RES_DENY)
240 whoresults.push_back(wholine);
243 CmdResult CommandWho::Handle (const std::vector<std::string>& parameters, User *user)
247 * The <name> passed to WHO is matched against users' host, server, real
249 * Currently, we support WHO #chan, WHO nick, WHO 0, WHO *, and the addition of a 'o' flag, as per RFC.
253 opt_viewopersonly = false;
254 opt_showrealhost = false;
255 opt_realname = false;
258 opt_metadata = false;
265 std::vector<Numeric::Numeric> whoresults;
267 /* Change '0' into '*' so the wildcard matcher can grok it */
268 std::string matchtext = ((parameters[0] == "0") ? "*" : parameters[0]);
270 // WHO flags count as a wildcard
271 bool usingwildcards = ((parameters.size() > 1) || (matchtext.find_first_of("*?.") != std::string::npos));
273 if (parameters.size() > 1)
275 for (std::string::const_iterator iter = parameters[1].begin(); iter != parameters[1].end(); ++iter)
280 opt_viewopersonly = true;
283 if (user->HasPrivPermission("users/auspex"))
284 opt_showrealhost = true;
290 if (user->HasPrivPermission("users/auspex"))
294 if (user->HasPrivPermission("users/auspex"))
301 if (user->HasPrivPermission("users/auspex"))
308 if (user->HasPrivPermission("users/auspex") || ServerInstance->Config->HideWhoisServer.empty())
312 if (user->HasPrivPermission("users/auspex") || ServerInstance->Config->HideWhoisServer.empty())
323 /* who on a channel? */
324 Channel* ch = ServerInstance->FindChan(matchtext);
328 if (CanView(ch,user))
330 bool inside = ch->HasUser(user);
332 /* who on a channel. */
333 const Channel::MemberMap& cu = ch->GetUsers();
334 for (Channel::MemberMap::const_iterator i = cu.begin(); i != cu.end(); ++i)
336 /* None of this applies if we WHO ourselves */
337 if (user != i->first)
339 /* opers only, please */
340 if (opt_viewopersonly && !i->first->IsOper())
343 /* If we're not inside the channel, hide +i users */
344 if (i->first->IsModeSet(invisiblemode) && !inside && !user->HasPrivPermission("users/auspex"))
348 SendWhoLine(user, parameters, i->second, i->first, whoresults);
354 /* Match against wildcard of nick, server or host */
355 if (opt_viewopersonly)
357 /* Showing only opers */
358 const UserManager::OperList& opers = ServerInstance->Users->all_opers;
359 for (UserManager::OperList::const_iterator i = opers.begin(); i != opers.end(); ++i)
363 if (whomatch(user, oper, matchtext.c_str()))
365 if (!user->SharesChannelWith(oper))
367 if (usingwildcards && (oper->IsModeSet(invisiblemode)) && (!user->HasPrivPermission("users/auspex")))
371 SendWhoLine(user, parameters, NULL, oper, whoresults);
377 const user_hash& users = ServerInstance->Users->GetUsers();
378 for (user_hash::const_iterator i = users.begin(); i != users.end(); ++i)
380 if (whomatch(user, i->second, matchtext.c_str()))
382 if (!user->SharesChannelWith(i->second))
384 if (usingwildcards && (i->second->IsModeSet(invisiblemode)) && (!user->HasPrivPermission("users/auspex")))
388 SendWhoLine(user, parameters, NULL, i->second, whoresults);
393 /* Send the results out */
394 for (std::vector<Numeric::Numeric>::const_iterator n = whoresults.begin(); n != whoresults.end(); ++n)
395 user->WriteNumeric(*n);
396 user->WriteNumeric(RPL_ENDOFWHO, (*parameters[0].c_str() ? parameters[0] : "*"), "End of /WHO list.");
398 // Penalize the user a bit for large queries
399 // (add one unit of penalty per 200 results)
401 IS_LOCAL(user)->CommandFloodPenalty += whoresults.size() * 5;
405 COMMAND_INIT(CommandWho)