mirror of
https://github.com/inspircd/inspircd.git
synced 2025-03-10 02:59:01 -04:00
e10bc5d2eb
git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@11322 e03df62e-2008-0410-955e-edbf42e46eb7
561 lines
15 KiB
C++
561 lines
15 KiB
C++
/* +------------------------------------+
|
|
* | Inspire Internet Relay Chat Daemon |
|
|
* +------------------------------------+
|
|
*
|
|
* InspIRCd: (C) 2002-2009 InspIRCd Development Team
|
|
* See: http://wiki.inspircd.org/Credits
|
|
*
|
|
* This program is free but copyrighted software; see
|
|
* the file COPYING for details.
|
|
*
|
|
* ---------------------------------------------------
|
|
*/
|
|
|
|
#ifndef INSPIRCD_LISTMODE_PROVIDER
|
|
#define INSPIRCD_LISTMODE_PROVIDER
|
|
|
|
/** Get the time as a string
|
|
*/
|
|
inline std::string stringtime(InspIRCd* Instance)
|
|
{
|
|
std::ostringstream TIME;
|
|
TIME << Instance->Time();
|
|
return TIME.str();
|
|
}
|
|
|
|
/** An item in a listmode's list
|
|
*/
|
|
class ListItem : public classbase
|
|
{
|
|
public:
|
|
std::string nick;
|
|
std::string mask;
|
|
std::string time;
|
|
};
|
|
|
|
/** The number of items a listmode's list may contain
|
|
*/
|
|
class ListLimit : public classbase
|
|
{
|
|
public:
|
|
std::string mask;
|
|
unsigned int limit;
|
|
};
|
|
|
|
/** Items stored in the channel's list
|
|
*/
|
|
typedef std::list<ListItem> modelist;
|
|
/** Max items per channel by name
|
|
*/
|
|
typedef std::list<ListLimit> limitlist;
|
|
|
|
/** A request used to check if a user is on a channel's list or not
|
|
*/
|
|
class ListModeRequest : public Request
|
|
{
|
|
public:
|
|
User* user;
|
|
std::string literal;
|
|
const char extban;
|
|
Channel* chan;
|
|
|
|
/** Check if a user is on a channel's list.
|
|
* The Event::Send() event returns the ban string if the user is on the channel's list,
|
|
* or NULL if the user is not on the list.
|
|
* @param sender Sending module
|
|
* @param target Target module
|
|
* @param u User to check against
|
|
* @param c Channel to check against
|
|
*/
|
|
ListModeRequest(Module* sender, Module* target, User* u, Channel* c) : Request(sender, target, "LM_CHECKLIST"), user(u), literal(""), extban(0), chan(c)
|
|
{
|
|
}
|
|
|
|
/** Check if a literal string is on a channel's list, optionally using an extban char.
|
|
* The Event::Send() event returns the ban string if the user is on the channel's list,
|
|
* or NULL if the user is not on the list.
|
|
* @param sender Sending module
|
|
* @param target Target module
|
|
* @param literalstr String to check against, e.g. "Bob!Bobbertson@weeblshouse"
|
|
* @param extbanchar Extended ban character to use for the match, or a null char if not using extban
|
|
*/
|
|
ListModeRequest(Module* sender, Module* target, std::string literalstr, char extbanchar, Channel* channel) : Request(sender, target, "LM_CHECKLIST_EX"), user(NULL), literal(literalstr), extban(extbanchar), chan(channel)
|
|
{
|
|
}
|
|
|
|
/** Check if a literal string is on a channel's list, optionally using an extban char.
|
|
* The Event::Send() event returns the ban string if the user is on the channel's list,
|
|
* or NULL if the user is not on the list.
|
|
* @param sender Sending module
|
|
* @param target Target module
|
|
* @param User to check against, e.g. "Bob!Bobbertson@weeblshouse"
|
|
* @param extbanchar Extended ban character to use for the match, or a null char if not using extban
|
|
*/
|
|
ListModeRequest(Module* sender, Module* target, User* u, char extbanchar, Channel* channel) : Request(sender, target, "LM_CHECKLIST_EX"), user(u), literal(""), extban(extbanchar), chan(channel)
|
|
{
|
|
}
|
|
|
|
/** Destructor
|
|
*/
|
|
~ListModeRequest()
|
|
{
|
|
}
|
|
};
|
|
|
|
/** The base class for list modes, should be inherited.
|
|
*/
|
|
class ListModeBase : public ModeHandler
|
|
{
|
|
protected:
|
|
/** Storage key
|
|
*/
|
|
std::string infokey;
|
|
/** Numeric to use when outputting the list
|
|
*/
|
|
unsigned int listnumeric;
|
|
/** Numeric to indicate end of list
|
|
*/
|
|
unsigned int endoflistnumeric;
|
|
/** String to send for end of list
|
|
*/
|
|
std::string endofliststring;
|
|
/** Automatically tidy up entries
|
|
*/
|
|
bool tidy;
|
|
/** Config tag to check for max items per channel
|
|
*/
|
|
std::string configtag;
|
|
/** Limits on a per-channel basis read from the tag
|
|
* specified in ListModeBase::configtag
|
|
*/
|
|
limitlist chanlimits;
|
|
|
|
public:
|
|
/** Constructor.
|
|
* @param Instance The creator of this class
|
|
* @param modechar Mode character
|
|
* @param eolstr End of list string
|
|
* @pram lnum List numeric
|
|
* @param eolnum End of list numeric
|
|
* @param autotidy Automatically tidy list entries on add
|
|
* @param ctag Configuration tag to get limits from
|
|
*/
|
|
ListModeBase(InspIRCd* Instance, char modechar, const std::string &eolstr, unsigned int lnum, unsigned int eolnum, bool autotidy, const std::string &ctag = "banlist")
|
|
: ModeHandler(Instance, modechar, 1, 1, true, MODETYPE_CHANNEL, false), listnumeric(lnum), endoflistnumeric(eolnum), endofliststring(eolstr), tidy(autotidy), configtag(ctag)
|
|
{
|
|
this->DoRehash();
|
|
infokey = "listbase_mode_" + std::string(1, mode) + "_list";
|
|
}
|
|
|
|
/** See mode.h
|
|
*/
|
|
std::pair<bool,std::string> ModeSet(User*, User*, Channel* channel, const std::string ¶meter)
|
|
{
|
|
modelist* el;
|
|
channel->GetExt(infokey, el);
|
|
if (el)
|
|
{
|
|
for (modelist::iterator it = el->begin(); it != el->end(); it++)
|
|
{
|
|
if(parameter == it->mask)
|
|
{
|
|
return std::make_pair(true, parameter);
|
|
}
|
|
}
|
|
}
|
|
return std::make_pair(false, parameter);
|
|
}
|
|
|
|
/** Display the list for this mode
|
|
* @param user The user to send the list to
|
|
* @param channel The channel the user is requesting the list for
|
|
*/
|
|
virtual void DisplayList(User* user, Channel* channel)
|
|
{
|
|
modelist* el;
|
|
channel->GetExt(infokey, el);
|
|
if (el)
|
|
{
|
|
for (modelist::reverse_iterator it = el->rbegin(); it != el->rend(); ++it)
|
|
{
|
|
user->WriteNumeric(listnumeric, "%s %s %s %s %s", user->nick.c_str(), channel->name.c_str(), it->mask.c_str(), (it->nick.length() ? it->nick.c_str() : ServerInstance->Config->ServerName), it->time.c_str());
|
|
}
|
|
}
|
|
user->WriteNumeric(endoflistnumeric, "%s %s :%s", user->nick.c_str(), channel->name.c_str(), endofliststring.c_str());
|
|
}
|
|
|
|
virtual void DisplayEmptyList(User* user, Channel* channel)
|
|
{
|
|
user->WriteNumeric(endoflistnumeric, "%s %s :%s", user->nick.c_str(), channel->name.c_str(), endofliststring.c_str());
|
|
}
|
|
|
|
/** Remove all instances of the mode from a channel.
|
|
* See mode.h
|
|
* @param channel The channel to remove all instances of the mode from
|
|
*/
|
|
virtual void RemoveMode(Channel* channel, irc::modestacker* stack)
|
|
{
|
|
modelist* el;
|
|
channel->GetExt(infokey, el);
|
|
if (el)
|
|
{
|
|
irc::modestacker modestack(ServerInstance, false);
|
|
std::deque<std::string> stackresult;
|
|
std::vector<std::string> mode_junk;
|
|
mode_junk.push_back(channel->name);
|
|
|
|
for (modelist::iterator it = el->begin(); it != el->end(); it++)
|
|
{
|
|
if (stack)
|
|
stack->Push(this->GetModeChar(), it->mask);
|
|
else
|
|
modestack.Push(this->GetModeChar(), it->mask);
|
|
}
|
|
|
|
if (stack)
|
|
return;
|
|
|
|
while (modestack.GetStackedLine(stackresult))
|
|
{
|
|
mode_junk.insert(mode_junk.end(), stackresult.begin(), stackresult.end());
|
|
ServerInstance->SendMode(mode_junk, ServerInstance->FakeClient);
|
|
mode_junk.erase(mode_junk.begin() + 1, mode_junk.end());
|
|
}
|
|
}
|
|
}
|
|
|
|
/** See mode.h
|
|
*/
|
|
virtual void RemoveMode(User*, irc::modestacker* stack)
|
|
{
|
|
/* Listmodes dont get set on users */
|
|
}
|
|
|
|
/** Perform a rehash of this mode's configuration data
|
|
*/
|
|
virtual void DoRehash()
|
|
{
|
|
ConfigReader Conf(ServerInstance);
|
|
|
|
chanlimits.clear();
|
|
|
|
for (int i = 0; i < Conf.Enumerate(configtag); i++)
|
|
{
|
|
// For each <banlist> tag
|
|
ListLimit limit;
|
|
limit.mask = Conf.ReadValue(configtag, "chan", i);
|
|
limit.limit = Conf.ReadInteger(configtag, "limit", i, true);
|
|
|
|
if (limit.mask.size() && limit.limit > 0)
|
|
chanlimits.push_back(limit);
|
|
}
|
|
if (chanlimits.size() == 0)
|
|
{
|
|
ListLimit limit;
|
|
limit.mask = "*";
|
|
limit.limit = 64;
|
|
chanlimits.push_back(limit);
|
|
}
|
|
}
|
|
|
|
/** Populate the Implements list with the correct events for a List Mode
|
|
*/
|
|
virtual void DoImplements(Module* m)
|
|
{
|
|
Implementation eventlist[] = { I_OnChannelDelete, I_OnSyncChannel, I_OnCleanup, I_OnRehash, I_OnRequest };
|
|
ServerInstance->Modules->Attach(eventlist, m, 5);
|
|
}
|
|
|
|
/** Handle the list mode.
|
|
* See mode.h
|
|
*/
|
|
virtual ModeAction OnModeChange(User* source, User*, Channel* channel, std::string ¶meter, bool adding, bool servermode)
|
|
{
|
|
// Try and grab the list
|
|
modelist* el;
|
|
channel->GetExt(infokey, el);
|
|
|
|
if (adding)
|
|
{
|
|
// If there was no list
|
|
if (!el)
|
|
{
|
|
// Make one
|
|
el = new modelist;
|
|
channel->Extend(infokey, el);
|
|
}
|
|
|
|
// Clean the mask up
|
|
if (this->tidy)
|
|
ModeParser::CleanMask(parameter);
|
|
|
|
// Check if the item already exists in the list
|
|
for (modelist::iterator it = el->begin(); it != el->end(); it++)
|
|
{
|
|
if (parameter == it->mask)
|
|
{
|
|
/* Give a subclass a chance to error about this */
|
|
TellAlreadyOnList(source, channel, parameter);
|
|
|
|
// it does, deny the change
|
|
return MODEACTION_DENY;
|
|
}
|
|
}
|
|
|
|
unsigned int maxsize = 0;
|
|
|
|
for (limitlist::iterator it = chanlimits.begin(); it != chanlimits.end(); it++)
|
|
{
|
|
if (InspIRCd::Match(channel->name, it->mask))
|
|
{
|
|
// We have a pattern matching the channel...
|
|
maxsize = el->size();
|
|
if (IS_LOCAL(source) || (maxsize < it->limit))
|
|
{
|
|
/* Ok, it *could* be allowed, now give someone subclassing us
|
|
* a chance to validate the parameter.
|
|
* The param is passed by reference, so they can both modify it
|
|
* and tell us if we allow it or not.
|
|
*
|
|
* eg, the subclass could:
|
|
* 1) allow
|
|
* 2) 'fix' parameter and then allow
|
|
* 3) deny
|
|
*/
|
|
if (ValidateParam(source, channel, parameter))
|
|
{
|
|
// And now add the mask onto the list...
|
|
ListItem e;
|
|
e.mask = parameter;
|
|
e.nick = servermode ? ServerInstance->Config->ServerName : source->nick;
|
|
e.time = stringtime(ServerInstance);
|
|
|
|
el->push_back(e);
|
|
return MODEACTION_ALLOW;
|
|
}
|
|
else
|
|
{
|
|
/* If they deny it they have the job of giving an error message */
|
|
return MODEACTION_DENY;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* List is full, give subclass a chance to send a custom message */
|
|
if (!TellListTooLong(source, channel, parameter))
|
|
{
|
|
source->WriteNumeric(478, "%s %s %s :Channel ban/ignore list is full", source->nick.c_str(), channel->name.c_str(), parameter.c_str());
|
|
}
|
|
|
|
parameter = "";
|
|
return MODEACTION_DENY;
|
|
}
|
|
else
|
|
{
|
|
// We're taking the mode off
|
|
if (el)
|
|
{
|
|
for (modelist::iterator it = el->begin(); it != el->end(); it++)
|
|
{
|
|
if (parameter == it->mask)
|
|
{
|
|
el->erase(it);
|
|
if (el->size() == 0)
|
|
{
|
|
channel->Shrink(infokey);
|
|
delete el;
|
|
}
|
|
return MODEACTION_ALLOW;
|
|
}
|
|
}
|
|
/* Tried to remove something that wasn't set */
|
|
TellNotSet(source, channel, parameter);
|
|
parameter = "";
|
|
return MODEACTION_DENY;
|
|
}
|
|
else
|
|
{
|
|
/* Hmm, taking an exception off a non-existant list, DIE */
|
|
TellNotSet(source, channel, parameter);
|
|
parameter = "";
|
|
return MODEACTION_DENY;
|
|
}
|
|
}
|
|
return MODEACTION_DENY;
|
|
}
|
|
|
|
/** Get Extensible key for this mode
|
|
*/
|
|
virtual std::string& GetInfoKey()
|
|
{
|
|
return infokey;
|
|
}
|
|
|
|
/** Handle channel deletion.
|
|
* See modules.h.
|
|
* @param chan Channel being deleted
|
|
*/
|
|
virtual void DoChannelDelete(Channel* chan)
|
|
{
|
|
modelist* mlist;
|
|
chan->GetExt(infokey, mlist);
|
|
|
|
if (mlist)
|
|
{
|
|
chan->Shrink(infokey);
|
|
delete mlist;
|
|
}
|
|
}
|
|
|
|
/** Syncronize channel item list with another server.
|
|
* See modules.h
|
|
* @param chan Channel to syncronize
|
|
* @param proto Protocol module pointer
|
|
* @param opaque Opaque connection handle
|
|
*/
|
|
virtual void DoSyncChannel(Channel* chan, Module* proto, void* opaque)
|
|
{
|
|
modelist* mlist;
|
|
chan->GetExt(infokey, mlist);
|
|
irc::modestacker modestack(ServerInstance, true);
|
|
std::deque<std::string> stackresult;
|
|
std::deque<TranslateType> types;
|
|
types.push_back(TR_TEXT);
|
|
if (mlist)
|
|
{
|
|
for (modelist::iterator it = mlist->begin(); it != mlist->end(); it++)
|
|
{
|
|
modestack.Push(std::string(1, mode)[0], it->mask);
|
|
}
|
|
}
|
|
while (modestack.GetStackedLine(stackresult))
|
|
{
|
|
types.assign(stackresult.size(), this->GetTranslateType());
|
|
proto->ProtoSendMode(opaque, TYPE_CHANNEL, chan, stackresult, types);
|
|
}
|
|
}
|
|
|
|
/** Clean up module on unload
|
|
* @param target_type Type of target to clean
|
|
* @param item Item to clean
|
|
*/
|
|
virtual void DoCleanup(int, void*)
|
|
{
|
|
}
|
|
|
|
/** Validate parameters.
|
|
* Overridden by implementing module.
|
|
* @param source Source user adding the parameter
|
|
* @param channel Channel the parameter is being added to
|
|
* @param parameter The actual parameter being added
|
|
* @return true if the parameter is valid
|
|
*/
|
|
virtual bool ValidateParam(User*, Channel*, std::string&)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/** Tell the user the list is too long.
|
|
* Overridden by implementing module.
|
|
* @param source Source user adding the parameter
|
|
* @param channel Channel the parameter is being added to
|
|
* @param parameter The actual parameter being added
|
|
* @return Ignored
|
|
*/
|
|
virtual bool TellListTooLong(User*, Channel*, std::string&)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
/** Tell the user an item is already on the list.
|
|
* Overridden by implementing module.
|
|
* @param source Source user adding the parameter
|
|
* @param channel Channel the parameter is being added to
|
|
* @param parameter The actual parameter being added
|
|
*/
|
|
virtual void TellAlreadyOnList(User*, Channel*, std::string&)
|
|
{
|
|
}
|
|
|
|
/** Tell the user that the parameter is not in the list.
|
|
* Overridden by implementing module.
|
|
* @param source Source user removing the parameter
|
|
* @param channel Channel the parameter is being removed from
|
|
* @param parameter The actual parameter being removed
|
|
*/
|
|
virtual void TellNotSet(User*, Channel*, std::string&)
|
|
{
|
|
}
|
|
|
|
virtual const char* DoOnRequest(Request* request)
|
|
{
|
|
ListModeRequest* LM = (ListModeRequest*)request;
|
|
if (strcmp("LM_CHECKLIST", request->GetId()) == 0)
|
|
{
|
|
modelist* mlist;
|
|
LM->chan->GetExt(GetInfoKey(), mlist);
|
|
if (mlist)
|
|
{
|
|
std::string mask = LM->user->nick + "!" + LM->user->ident + "@" + LM->user->GetIPString();
|
|
for (modelist::iterator it = mlist->begin(); it != mlist->end(); ++it)
|
|
{
|
|
if (InspIRCd::Match(LM->user->GetFullRealHost(), it->mask) || InspIRCd::Match(LM->user->GetFullHost(), it->mask) || (InspIRCd::MatchCIDR(mask, it->mask)))
|
|
return it->mask.c_str();
|
|
}
|
|
return NULL;
|
|
}
|
|
}
|
|
else if (strcmp("LM_CHECKLIST_EX", request->GetId()) == 0)
|
|
{
|
|
modelist* mlist;
|
|
LM->chan->GetExt(GetInfoKey(), mlist);
|
|
|
|
if (mlist)
|
|
{
|
|
if (LM->user)
|
|
{
|
|
LM->literal = LM->user->nick + "!" + LM->user->ident + "@" + LM->user->GetIPString();
|
|
}
|
|
|
|
for (modelist::iterator it = mlist->begin(); it != mlist->end(); it++)
|
|
{
|
|
if (LM->extban && it->mask.length() > 1 && it->mask[0] == LM->extban && it->mask[1] == ':')
|
|
{
|
|
std::string ext = it->mask.substr(2);
|
|
if (LM->user)
|
|
{
|
|
if (InspIRCd::Match(LM->user->GetFullRealHost(), ext) || InspIRCd::Match(LM->user->GetFullHost(), ext) || (InspIRCd::MatchCIDR(LM->literal, ext)))
|
|
{
|
|
return it->mask.c_str();
|
|
}
|
|
}
|
|
else if (InspIRCd::Match(LM->literal, ext))
|
|
{
|
|
return it->mask.c_str();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (LM->user)
|
|
{
|
|
if (InspIRCd::Match(LM->user->GetFullRealHost(), it->mask) || InspIRCd::Match(LM->user->GetFullHost(), it->mask) || (InspIRCd::MatchCIDR(LM->literal, it->mask)))
|
|
{
|
|
return it->mask.c_str();
|
|
}
|
|
}
|
|
else if (InspIRCd::Match(LM->literal, it->mask))
|
|
{
|
|
return it->mask.c_str();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
};
|
|
|
|
#endif
|