2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
6 * This file is part of InspIRCd. InspIRCd is free software: you can
7 * redistribute it and/or modify it under the terms of the GNU General Public
8 * License as published by the Free Software Foundation, version 2.
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 ListModeBase::ListModeBase(Module* Creator, const std::string& Name, char modechar, const std::string &eolstr, unsigned int lnum, unsigned int eolnum, bool autotidy, const std::string &ctag)
23 : ModeHandler(Creator, Name, modechar, PARAM_ALWAYS, MODETYPE_CHANNEL, MC_LIST),
24 listnumeric(lnum), endoflistnumeric(eolnum), endofliststring(eolstr), tidy(autotidy),
25 configtag(ctag), extItem("listbase_mode_" + name + "_list", Creator)
30 void ListModeBase::DisplayList(User* user, Channel* channel)
32 ChanData* cd = extItem.get(channel);
35 for (ModeList::const_iterator it = cd->list.begin(); it != cd->list.end(); ++it)
37 user->WriteNumeric(listnumeric, "%s %s %s %lu", channel->name.c_str(), it->mask.c_str(), it->setter.c_str(), (unsigned long) it->time);
40 user->WriteNumeric(endoflistnumeric, "%s :%s", channel->name.c_str(), endofliststring.c_str());
43 void ListModeBase::DisplayEmptyList(User* user, Channel* channel)
45 user->WriteNumeric(endoflistnumeric, "%s :%s", channel->name.c_str(), endofliststring.c_str());
48 void ListModeBase::RemoveMode(Channel* channel, Modes::ChangeList& changelist)
50 ChanData* cd = extItem.get(channel);
53 for (ModeList::iterator it = cd->list.begin(); it != cd->list.end(); it++)
55 changelist.push_remove(this, it->mask);
60 void ListModeBase::DoRehash()
62 ConfigTagList tags = ServerInstance->Config->ConfTags(configtag);
64 limitlist oldlimits = chanlimits;
67 for (ConfigIter i = tags.first; i != tags.second; i++)
69 // For each <banlist> tag
70 ConfigTag* c = i->second;
71 ListLimit limit(c->getString("chan"), c->getInt("limit"));
73 if (limit.mask.size() && limit.limit > 0)
74 chanlimits.push_back(limit);
77 // Add the default entry. This is inserted last so if the user specifies a
78 // wildcard record in the config it will take precedence over this entry.
79 chanlimits.push_back(ListLimit("*", 64));
81 // Most of the time our settings are unchanged, so we can avoid iterating the chanlist
82 if (oldlimits == chanlimits)
85 const chan_hash& chans = ServerInstance->GetChans();
86 for (chan_hash::const_iterator i = chans.begin(); i != chans.end(); ++i)
88 ChanData* cd = extItem.get(i->second);
94 unsigned int ListModeBase::FindLimit(const std::string& channame)
96 for (limitlist::iterator it = chanlimits.begin(); it != chanlimits.end(); ++it)
98 if (InspIRCd::Match(channame, it->mask))
100 // We have a pattern matching the channel
107 unsigned int ListModeBase::GetLimitInternal(const std::string& channame, ChanData* cd)
109 if (cd->maxitems < 0)
110 cd->maxitems = FindLimit(channame);
114 unsigned int ListModeBase::GetLimit(Channel* channel)
116 ChanData* cd = extItem.get(channel);
117 if (!cd) // just find the limit
118 return FindLimit(channel->name);
120 return GetLimitInternal(channel->name, cd);
123 ModeAction ListModeBase::OnModeChange(User* source, User*, Channel* channel, std::string ¶meter, bool adding)
125 // Try and grab the list
126 ChanData* cd = extItem.get(channel);
131 ModeParser::CleanMask(parameter);
133 if (parameter.length() > 250)
134 return MODEACTION_DENY;
136 // If there was no list
141 extItem.set(channel, cd);
144 // Check if the item already exists in the list
145 for (ModeList::iterator it = cd->list.begin(); it != cd->list.end(); it++)
147 if (parameter == it->mask)
149 /* Give a subclass a chance to error about this */
150 TellAlreadyOnList(source, channel, parameter);
152 // it does, deny the change
153 return MODEACTION_DENY;
157 if ((IS_LOCAL(source)) && (cd->list.size() >= GetLimitInternal(channel->name, cd)))
159 /* List is full, give subclass a chance to send a custom message */
160 TellListTooLong(source, channel, parameter);
161 return MODEACTION_DENY;
164 /* Ok, it *could* be allowed, now give someone subclassing us
165 * a chance to validate the parameter.
166 * The param is passed by reference, so they can both modify it
167 * and tell us if we allow it or not.
169 * eg, the subclass could:
171 * 2) 'fix' parameter and then allow
174 if (ValidateParam(source, channel, parameter))
176 // And now add the mask onto the list...
177 cd->list.push_back(ListItem(parameter, source->nick, ServerInstance->Time()));
178 return MODEACTION_ALLOW;
182 /* If they deny it they have the job of giving an error message */
183 return MODEACTION_DENY;
188 // We're taking the mode off
191 for (ModeList::iterator it = cd->list.begin(); it != cd->list.end(); ++it)
193 if (parameter == it->mask)
195 stdalgo::vector::swaperase(cd->list, it);
196 return MODEACTION_ALLOW;
201 /* Tried to remove something that wasn't set */
202 TellNotSet(source, channel, parameter);
203 return MODEACTION_DENY;
207 bool ListModeBase::ValidateParam(User*, Channel*, std::string&)
212 void ListModeBase::TellListTooLong(User* source, Channel* channel, std::string& parameter)
214 source->WriteNumeric(ERR_BANLISTFULL, "%s %s :Channel ban list is full", channel->name.c_str(), parameter.c_str());
217 void ListModeBase::TellAlreadyOnList(User*, Channel*, std::string&)
221 void ListModeBase::TellNotSet(User*, Channel*, std::string&)