2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
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/>.
24 /* $ModDesc: Provides the CAP negotiation mechanism seen in ratbox-derived ircds */
28 :alfred.staticbox.net CAP * LS :multi-prefix sasl
30 :alfred.staticbox.net CAP * ACK :multi-prefix
32 :alfred.staticbox.net CAP * ACK :-multi-prefix
34 :alfred.staticbox.net CAP * ACK :multi-prefix
36 :alfred.staticbox.net CAP * LIST :multi-prefix
42 class CommandCAP : public Command
46 CommandCAP (Module* mod) : Command(mod, "CAP", 1),
47 reghold("CAP_REGHOLD", mod)
49 works_before_reg = true;
52 CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
54 irc::string subcommand = parameters[0].c_str();
56 if (subcommand == "REQ")
58 CapEvent Data(creator, "cap_req");
60 Data.type = subcommand;
62 Data.creator = this->creator;
64 if (parameters.size() < 2)
67 // tokenize the input into a nice list of requested caps
68 std::string param = parameters[1];
70 irc::spacesepstream cap_stream(param);
72 while (cap_stream.GetToken(cap_))
74 Data.wanted.push_back(cap_);
80 if (Data.ack.size() > 0)
82 std::string AckResult = irc::stringjoiner(" ", Data.ack, 0, Data.ack.size() - 1).GetJoined();
83 user->WriteServ("CAP %s ACK :%s", user->nick.c_str(), AckResult.c_str());
86 if (Data.wanted.size() > 0)
88 std::string NakResult = irc::stringjoiner(" ", Data.wanted, 0, Data.wanted.size() - 1).GetJoined();
89 user->WriteServ("CAP %s NAK :%s", user->nick.c_str(), NakResult.c_str());
92 else if (subcommand == "END")
96 else if ((subcommand == "LS") || (subcommand == "LIST"))
98 CapEvent Data(creator, subcommand == "LS" ? "cap_ls" : "cap_list");
100 Data.type = subcommand;
102 Data.creator = this->creator;
104 reghold.set(user, 1);
108 if (Data.wanted.size() > 0)
109 Result = irc::stringjoiner(" ", Data.wanted, 0, Data.wanted.size() - 1).GetJoined();
113 user->WriteServ("CAP %s %s :%s", user->nick.c_str(), subcommand.c_str(), Result.c_str());
115 else if (subcommand == "CLEAR")
117 CapEvent Data(creator, "cap_clear");
119 Data.type = subcommand;
121 Data.creator = this->creator;
123 reghold.set(user, 1);
126 std::string Result = irc::stringjoiner(" ", Data.ack, 0, Data.ack.size() - 1).GetJoined();
127 user->WriteServ("CAP %s ACK :%s", user->nick.c_str(), Result.c_str());
131 user->WriteNumeric(ERR_INVALIDCAPSUBCOMMAND, "%s %s :Invalid CAP subcommand", user->nick.c_str(), subcommand.c_str());
138 class ModuleCAP : public Module
145 ServerInstance->AddCommand(&cmd);
146 ServerInstance->Extensions.Register(&cmd.reghold);
148 Implementation eventlist[] = { I_OnCheckReady };
149 ServerInstance->Modules->Attach(eventlist, this, 1);
152 ModResult OnCheckReady(LocalUser* user)
154 /* Users in CAP state get held until CAP END */
155 if (cmd.reghold.get(user))
158 return MOD_RES_PASSTHRU;
167 return Version("Client CAP extension support", VF_VENDOR);
171 MODULE_INIT(ModuleCAP)