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),
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::reverse_iterator it = cd->list.rbegin(); it != cd->list.rend(); ++it)
37 user->WriteNumeric(listnumeric, "%s %s %s %s %lu", user->nick.c_str(), channel->name.c_str(), it->mask.c_str(), (!it->setter.empty() ? it->setter.c_str() : ServerInstance->Config->ServerName.c_str()), (unsigned long) it->time);
40 user->WriteNumeric(endoflistnumeric, "%s %s :%s", user->nick.c_str(), channel->name.c_str(), endofliststring.c_str());
43 void ListModeBase::DisplayEmptyList(User* user, Channel* channel)
45 user->WriteNumeric(endoflistnumeric, "%s %s :%s", user->nick.c_str(), channel->name.c_str(), endofliststring.c_str());
48 void ListModeBase::RemoveMode(Channel* channel, irc::modestacker& stack)
50 ChanData* cd = extItem.get(channel);
53 for (ModeList::iterator it = cd->list.begin(); it != cd->list.end(); it++)
55 stack.Push(this->GetModeChar(), 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 if (chanlimits.empty())
78 chanlimits.push_back(ListLimit("*", 64));
80 // Most of the time our settings are unchanged, so we can avoid iterating the chanlist
81 if (oldlimits == chanlimits)
84 for (chan_hash::const_iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); ++i)
86 ChanData* cd = extItem.get(i->second);
92 void ListModeBase::DoImplements(Module* m)
94 ServerInstance->Modules->AddService(extItem);
96 Implementation eventlist[] = { I_OnSyncChannel, I_OnRehash };
97 ServerInstance->Modules->Attach(eventlist, m, sizeof(eventlist)/sizeof(Implementation));
100 unsigned int ListModeBase::FindLimit(const std::string& channame)
102 for (limitlist::iterator it = chanlimits.begin(); it != chanlimits.end(); ++it)
104 if (InspIRCd::Match(channame, it->mask))
106 // We have a pattern matching the channel
113 unsigned int ListModeBase::GetLimitInternal(const std::string& channame, ChanData* cd)
115 if (cd->maxitems < 0)
116 cd->maxitems = FindLimit(channame);
120 unsigned int ListModeBase::GetLimit(Channel* channel)
122 ChanData* cd = extItem.get(channel);
123 if (!cd) // just find the limit
124 return FindLimit(channel->name);
126 return GetLimitInternal(channel->name, cd);
129 ModeAction ListModeBase::OnModeChange(User* source, User*, Channel* channel, std::string ¶meter, bool adding)
131 // Try and grab the list
132 ChanData* cd = extItem.get(channel);
137 ModeParser::CleanMask(parameter);
139 if (parameter.length() > 250)
140 return MODEACTION_DENY;
142 // If there was no list
147 extItem.set(channel, cd);
150 // Check if the item already exists in the list
151 for (ModeList::iterator it = cd->list.begin(); it != cd->list.end(); it++)
153 if (parameter == it->mask)
155 /* Give a subclass a chance to error about this */
156 TellAlreadyOnList(source, channel, parameter);
158 // it does, deny the change
159 return MODEACTION_DENY;
163 if ((IS_LOCAL(source)) && (cd->list.size() >= GetLimitInternal(channel->name, cd)))
165 /* List is full, give subclass a chance to send a custom message */
166 TellListTooLong(source, channel, parameter);
168 return MODEACTION_DENY;
171 /* Ok, it *could* be allowed, now give someone subclassing us
172 * a chance to validate the parameter.
173 * The param is passed by reference, so they can both modify it
174 * and tell us if we allow it or not.
176 * eg, the subclass could:
178 * 2) 'fix' parameter and then allow
181 if (ValidateParam(source, channel, parameter))
183 // And now add the mask onto the list...
184 cd->list.push_back(ListItem(parameter, source->nick, ServerInstance->Time()));
185 return MODEACTION_ALLOW;
189 /* If they deny it they have the job of giving an error message */
190 return MODEACTION_DENY;
195 // We're taking the mode off
198 for (ModeList::iterator it = cd->list.begin(); it != cd->list.end(); ++it)
200 if (parameter == it->mask)
203 return MODEACTION_ALLOW;
208 /* Tried to remove something that wasn't set */
209 TellNotSet(source, channel, parameter);
211 return MODEACTION_DENY;
215 void ListModeBase::DoSyncChannel(Channel* chan, Module* proto, void* opaque)
217 ChanData* cd = extItem.get(chan);
221 irc::modestacker modestack(true);
222 std::vector<std::string> stackresult;
223 std::vector<TranslateType> types;
224 types.push_back(TR_TEXT);
226 for (ModeList::iterator it = cd->list.begin(); it != cd->list.end(); it++)
227 modestack.Push(mode, it->mask);
229 while (modestack.GetStackedLine(stackresult))
231 types.assign(stackresult.size(), this->GetTranslateType());
232 proto->ProtoSendMode(opaque, TYPE_CHANNEL, chan, stackresult, types);
237 bool ListModeBase::ValidateParam(User*, Channel*, std::string&)
242 void ListModeBase::TellListTooLong(User* source, Channel* channel, std::string& parameter)
244 source->WriteNumeric(478, "%s %s %s :Channel ban list is full", source->nick.c_str(), channel->name.c_str(), parameter.c_str());
247 void ListModeBase::TellAlreadyOnList(User*, Channel*, std::string&)
251 void ListModeBase::TellNotSet(User*, Channel*, std::string&)