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|
/* +------------------------------------+
* | 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.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
#include "m_cap.h"
/* $ModDesc: Provides the CAP negotiation mechanism seen in ratbox-derived ircds */
/*
CAP LS
:alfred.staticbox.net CAP * LS :multi-prefix sasl
CAP REQ :multi-prefix
:alfred.staticbox.net CAP * ACK :multi-prefix
CAP CLEAR
:alfred.staticbox.net CAP * ACK :-multi-prefix
CAP REQ :multi-prefix
:alfred.staticbox.net CAP * ACK :multi-prefix
CAP LIST
:alfred.staticbox.net CAP * LIST :multi-prefix
CAP END
*/
/** Handle /CAP
*/
class CommandCAP : public Command
{
public:
LocalIntExt reghold;
CommandCAP (Module* mod) : Command(mod, "CAP", 1),
reghold("CAP_REGHOLD", mod)
{
works_before_reg = true;
}
CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
{
irc::string subcommand = parameters[0].c_str();
if (subcommand == "REQ")
{
CapEvent Data(creator, "cap_req");
Data.type = subcommand;
Data.user = user;
Data.creator = this->creator;
if (parameters.size() < 2)
return CMD_FAILURE;
// tokenize the input into a nice list of requested caps
std::string param = parameters[1];
std::string cap_;
irc::spacesepstream cap_stream(param);
while (cap_stream.GetToken(cap_))
{
Data.wanted.push_back(cap_);
}
reghold.set(user, 1);
Data.Send();
if (Data.ack.size() > 0)
{
std::string AckResult = irc::stringjoiner(" ", Data.ack, 0, Data.ack.size() - 1).GetJoined();
user->WriteServ("CAP * ACK :%s", AckResult.c_str());
}
if (Data.wanted.size() > 0)
{
std::string NakResult = irc::stringjoiner(" ", Data.wanted, 0, Data.wanted.size() - 1).GetJoined();
user->WriteServ("CAP * NAK :%s", NakResult.c_str());
}
}
else if (subcommand == "END")
{
reghold.set(user, 0);
}
else if ((subcommand == "LS") || (subcommand == "LIST"))
{
CapEvent Data(creator, subcommand == "LS" ? "cap_ls" : "cap_list");
Data.type = subcommand;
Data.user = user;
Data.creator = this->creator;
reghold.set(user, 1);
Data.Send();
std::string Result;
if (Data.wanted.size() > 0)
Result = irc::stringjoiner(" ", Data.wanted, 0, Data.wanted.size() - 1).GetJoined();
else
Result = "";
user->WriteServ("CAP * %s :%s", subcommand.c_str(), Result.c_str());
}
else if (subcommand == "CLEAR")
{
CapEvent Data(creator, "cap_clear");
Data.type = subcommand;
Data.user = user;
Data.creator = this->creator;
reghold.set(user, 1);
Data.Send();
std::string Result = irc::stringjoiner(" ", Data.ack, 0, Data.ack.size() - 1).GetJoined();
user->WriteServ("CAP * ACK :%s", Result.c_str());
}
else
{
user->WriteNumeric(ERR_INVALIDCAPSUBCOMMAND, "* %s :Invalid CAP subcommand", subcommand.c_str());
}
return CMD_FAILURE;
}
};
class ModuleCAP : public Module
{
CommandCAP cmd;
public:
ModuleCAP()
: cmd(this)
{
ServerInstance->AddCommand(&cmd);
Extensible::Register(&cmd.reghold);
Implementation eventlist[] = { I_OnCheckReady };
ServerInstance->Modules->Attach(eventlist, this, 1);
}
ModResult OnCheckReady(User* user)
{
/* Users in CAP state get held until CAP END */
if (cmd.reghold.get(user))
return MOD_RES_DENY;
return MOD_RES_PASSTHRU;
}
~ModuleCAP()
{
}
Version GetVersion()
{
return Version("Client CAP extension support", VF_VENDOR);
}
};
MODULE_INIT(ModuleCAP)
|
