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 invisiblemode;
43 Membership* get_first_visible_channel(User* u)
45 for (User::ChanList::iterator i = u->chans.begin(); i != u->chans.end(); ++i)
47 Membership* memb = *i;
48 if (!memb->chan->IsModeSet(secretmode))
55 /** Constructor for who.
57 CommandWho(Module* parent)
58 : Command(parent, "WHO", 1)
59 , secretmode(parent, "secret")
60 , privatemode(parent, "private")
61 , invisiblemode(parent, "invisible")
63 syntax = "<server>|<nickname>|<channel>|<realname>|<host>|0 [ohurmMiaplf]";
66 void SendWhoLine(User* user, const std::vector<std::string>& parms, Membership* memb, User* u, std::vector<Numeric::Numeric>& whoresults);
68 * @param parameters The parameters to the command
69 * @param user The user issuing the command
70 * @return A value from CmdResult to indicate command success or failure.
72 CmdResult Handle(const std::vector<std::string>& parameters, User *user);
73 bool whomatch(User* cuser, User* user, const char* matchtext);
76 bool CommandWho::whomatch(User* cuser, User* user, const char* matchtext)
79 bool positive = false;
81 if (user->registered != REG_ALL)
84 if (opt_local && !IS_LOCAL(user))
86 else if (opt_far && IS_LOCAL(user))
91 for (const char* n = matchtext; *n; n++)
103 if (user->IsModeSet(*n) != positive)
111 * This was previously one awesome pile of ugly nested if, when really, it didn't need
112 * to be, since only one condition was ever checked, a chained if works just fine.
118 const Extensible::ExtensibleStore& list = user->GetExtList();
119 for(Extensible::ExtensibleStore::const_iterator i = list.begin(); i != list.end(); ++i)
120 if (InspIRCd::Match(i->first->name, matchtext))
123 else if (opt_realname)
124 match = InspIRCd::Match(user->fullname, matchtext);
125 else if (opt_showrealhost)
126 match = InspIRCd::Match(user->host, matchtext, ascii_case_insensitive_map);
128 match = InspIRCd::Match(user->ident, matchtext, ascii_case_insensitive_map);
131 irc::portparser portrange(matchtext, false);
133 while ((portno = portrange.GetToken()))
134 if (IS_LOCAL(user) && portno == IS_LOCAL(user)->GetServerPort())
141 match = InspIRCd::Match(user->awaymsg, matchtext);
144 long seconds = InspIRCd::Duration(matchtext);
146 // Okay, so time matching, we want all users connected `seconds' ago
147 if (user->signon >= ServerInstance->Time() - seconds)
152 * Once the conditionals have been checked, only check dhost/nick/server
153 * if they didn't match this user -- and only match if we don't find a match.
155 * This should make things minutely faster, and again, less ugly.
159 match = InspIRCd::Match(user->dhost, matchtext, ascii_case_insensitive_map);
162 match = InspIRCd::Match(user->nick, matchtext);
164 /* Don't allow server name matches if HideWhoisServer is enabled, unless the command user has the priv */
165 if (!match && (ServerInstance->Config->HideWhoisServer.empty() || cuser->HasPrivPermission("users/auspex")))
166 match = InspIRCd::Match(user->server->GetName(), matchtext);
172 bool CommandWho::CanView(Channel* chan, User* user)
174 /* Bug #383 - moved higher up the list, because if we are in the channel
175 * we can see all its users
177 if (chan->HasUser(user))
180 if (user->HasPrivPermission("users/auspex"))
182 /* Cant see inside a +s or a +p channel unless we are a member (see above) */
183 else if (!chan->IsModeSet(secretmode) && !chan->IsModeSet(privatemode))
189 void CommandWho::SendWhoLine(User* user, const std::vector<std::string>& parms, Membership* memb, User* u, std::vector<Numeric::Numeric>& whoresults)
192 memb = get_first_visible_channel(u);
194 Numeric::Numeric wholine(352);
195 wholine.push(memb ? memb->chan->name : "*").push(u->ident);
196 wholine.push(opt_showrealhost ? u->host : u->dhost);
197 if (!ServerInstance->Config->HideWhoisServer.empty() && !user->HasPrivPermission("servers/auspex"))
198 wholine.push(ServerInstance->Config->HideWhoisServer);
200 wholine.push(u->server->GetName());
202 wholine.push(u->nick);
208 param.push_back('G');
212 param.push_back('H');
218 param.push_back('*');
223 char prefix = memb->GetPrefixChar();
225 param.push_back(prefix);
230 wholine.GetParams().back().append(u->fullname);
233 FIRST_MOD_RESULT(OnSendWhoLine, res, (user, parms, u, memb, wholine));
234 if (res != MOD_RES_DENY)
235 whoresults.push_back(wholine);
238 CmdResult CommandWho::Handle (const std::vector<std::string>& parameters, User *user)
242 * The <name> passed to WHO is matched against users' host, server, real
244 * Currently, we support WHO #chan, WHO nick, WHO 0, WHO *, and the addition of a 'o' flag, as per RFC.
248 opt_viewopersonly = false;
249 opt_showrealhost = false;
250 opt_realname = false;
253 opt_metadata = false;
260 std::vector<Numeric::Numeric> whoresults;
262 /* Change '0' into '*' so the wildcard matcher can grok it */
263 std::string matchtext = ((parameters[0] == "0") ? "*" : parameters[0]);
265 // WHO flags count as a wildcard
266 bool usingwildcards = ((parameters.size() > 1) || (matchtext.find_first_of("*?.") != std::string::npos));
268 if (parameters.size() > 1)
270 for (std::string::const_iterator iter = parameters[1].begin(); iter != parameters[1].end(); ++iter)
275 opt_viewopersonly = true;
278 if (user->HasPrivPermission("users/auspex"))
279 opt_showrealhost = true;
285 if (user->HasPrivPermission("users/auspex"))
289 if (user->HasPrivPermission("users/auspex"))
296 if (user->HasPrivPermission("users/auspex"))
303 if (user->HasPrivPermission("users/auspex") || ServerInstance->Config->HideWhoisServer.empty())
307 if (user->HasPrivPermission("users/auspex") || ServerInstance->Config->HideWhoisServer.empty())
318 /* who on a channel? */
319 Channel* ch = ServerInstance->FindChan(matchtext);
323 if (CanView(ch,user))
325 bool inside = ch->HasUser(user);
327 /* who on a channel. */
328 const Channel::MemberMap& cu = ch->GetUsers();
329 for (Channel::MemberMap::const_iterator i = cu.begin(); i != cu.end(); ++i)
331 /* None of this applies if we WHO ourselves */
332 if (user != i->first)
334 /* opers only, please */
335 if (opt_viewopersonly && !i->first->IsOper())
338 /* If we're not inside the channel, hide +i users */
339 if (i->first->IsModeSet(invisiblemode) && !inside && !user->HasPrivPermission("users/auspex"))
343 SendWhoLine(user, parameters, i->second, i->first, whoresults);
349 /* Match against wildcard of nick, server or host */
350 if (opt_viewopersonly)
352 /* Showing only opers */
353 const UserManager::OperList& opers = ServerInstance->Users->all_opers;
354 for (UserManager::OperList::const_iterator i = opers.begin(); i != opers.end(); ++i)
358 if (whomatch(user, oper, matchtext.c_str()))
360 if (!user->SharesChannelWith(oper))
362 if (usingwildcards && (oper->IsModeSet(invisiblemode)) && (!user->HasPrivPermission("users/auspex")))
366 SendWhoLine(user, parameters, NULL, oper, whoresults);
372 const user_hash& users = ServerInstance->Users->GetUsers();
373 for (user_hash::const_iterator i = users.begin(); i != users.end(); ++i)
375 if (whomatch(user, i->second, matchtext.c_str()))
377 if (!user->SharesChannelWith(i->second))
379 if (usingwildcards && (i->second->IsModeSet(invisiblemode)) && (!user->HasPrivPermission("users/auspex")))
383 SendWhoLine(user, parameters, NULL, i->second, whoresults);
388 /* Send the results out */
389 for (std::vector<Numeric::Numeric>::const_iterator n = whoresults.begin(); n != whoresults.end(); ++n)
390 user->WriteNumeric(*n);
391 user->WriteNumeric(RPL_ENDOFWHO, (*parameters[0].c_str() ? parameters[0] : "*"), "End of /WHO list.");
393 // Penalize the user a bit for large queries
394 // (add one unit of penalty per 200 results)
396 IS_LOCAL(user)->CommandFloodPenalty += whoresults.size() * 5;
400 COMMAND_INIT(CommandWho)