Fix CAP REQ to be atomic like the standard dictates.

[user/henk/code/inspircd.git] / src / modules / m_cap.cpp

diff --git a/src/modules/m_cap.cpp b/src/modules/m_cap.cpp
index a0730efa713a82e78ce39f8859d02475aa25438c..37478243faff19eb27cc3eb9264c9ed7859fa329 100644 (file)
--- a/src/modules/m_cap.cpp
+++ b/src/modules/m_cap.cpp
@@ -1,16 +1,23 @@
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
  *
- *  InspIRCd: (C) 2002-2010 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ * This file is part of InspIRCd.  InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
  *
- * This program is free but copyrighted software; see
- *            the file COPYING for details.
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
  *
- * ---------------------------------------------------
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+
 #include "inspircd.h"
 #include "m_cap.h"
 
@@ -48,19 +55,14 @@ class CommandCAP : public Command
 
                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;
 
+                       CapEvent Data(creator, user, CapEvent::CAPEVENT_REQ);
+
                        // tokenize the input into a nice list of requested caps
-                       std::string param = parameters[1];
                        std::string cap_;
-                       irc::spacesepstream cap_stream(param);
+                       irc::spacesepstream cap_stream(parameters[1]);
 
                        while (cap_stream.GetToken(cap_))
                        {
@@ -70,17 +72,17 @@ class CommandCAP : public Command
                        reghold.set(user, 1);
                        Data.Send();
 
-                       if (Data.ack.size() > 0)
+                       if (Data.wanted.empty())
                        {
-                               std::string AckResult = irc::stringjoiner(" ", Data.ack, 0, Data.ack.size() - 1).GetJoined();
-                               user->WriteServ("CAP * ACK :%s", AckResult.c_str());
+                               user->WriteServ("CAP %s ACK :%s", user->nick.c_str(), parameters[1].c_str());
+                               return CMD_SUCCESS;
                        }
 
-                       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());
-                       }
+                       // HACK: reset all of the caps which were enabled on this user because a cap request is atomic.
+                       for (std::vector<std::pair<GenericCap*, int> >::iterator iter = Data.changed.begin(); iter != Data.changed.end(); ++iter)
+                               iter->first->ext.set(user, iter->second);
+
+                       user->WriteServ("CAP %s NAK :%s", user->nick.c_str(), parameters[1].c_str());
                }
                else if (subcommand == "END")
                {
@@ -88,11 +90,7 @@ class CommandCAP : public Command
                }
                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;
+                       CapEvent Data(creator, user, subcommand == "LS" ? CapEvent::CAPEVENT_LS : CapEvent::CAPEVENT_LIST);
 
                        reghold.set(user, 1);
                        Data.Send();
@@ -100,31 +98,28 @@ class CommandCAP : public Command
                        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());
+                       user->WriteServ("CAP %s %s :%s", user->nick.c_str(), 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;
+                       CapEvent Data(creator, user, CapEvent::CAPEVENT_CLEAR);
 
                        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());
+                       std::string Result;
+                       if (!Data.ack.empty())
+                               Result = irc::stringjoiner(" ", Data.ack, 0, Data.ack.size() - 1).GetJoined();
+                       user->WriteServ("CAP %s ACK :%s", user->nick.c_str(), Result.c_str());
                }
                else
                {
-                       user->WriteNumeric(ERR_INVALIDCAPSUBCOMMAND, "* %s :Invalid CAP subcommand", subcommand.c_str());
+                       user->WriteNumeric(ERR_INVALIDCAPSUBCOMMAND, "%s %s :Invalid CAP subcommand", user->nick.c_str(), subcommand.c_str());
+                       return CMD_FAILURE;
                }
 
-               return CMD_FAILURE;
+               return CMD_SUCCESS;
        }
 };
 
@@ -135,11 +130,15 @@ class ModuleCAP : public Module
        ModuleCAP()
                : cmd(this)
        {
-               ServerInstance->AddCommand(&cmd);
-               ServerInstance->Extensions.Register(&cmd.reghold);
+       }
+
+       void init()
+       {
+               ServerInstance->Modules->AddService(cmd);
+               ServerInstance->Modules->AddService(cmd.reghold);
 
                Implementation eventlist[] = { I_OnCheckReady };
-               ServerInstance->Modules->Attach(eventlist, this, 1);
+               ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
        }
 
        ModResult OnCheckReady(LocalUser* user)