src/modes/cmode_k.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2010 InspIRCd Development Team
   6  * See: http://wiki.inspircd.org/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15 #include "mode.h"
  16 #include "channels.h"
  17 #include "users.h"
  18 #include "modes/cmode_k.h"
  19
  20 ModeChannelKey::ModeChannelKey() : ModeHandler(NULL, "key", 'k', PARAM_ALWAYS, MODETYPE_CHANNEL)
  21 {
  22 }
  23
  24 void ModeChannelKey::RemoveMode(Channel* channel, irc::modestacker* stack)
  25 {
  26         /** +k needs a parameter when being removed,
  27          * so we have a special-case RemoveMode here for it
  28          */
  29
  30         if (channel->IsModeSet('k'))
  31         {
  32                 if (stack)
  33                 {
  34                         stack->Push('k', channel->GetModeParameter('k'));
  35                 }
  36                 else
  37                 {
  38                         std::vector<std::string> parameters;
  39                         parameters.push_back(channel->name);
  40                         parameters.push_back("-k");
  41                         parameters.push_back(channel->GetModeParameter('k'));
  42                         ServerInstance->SendMode(parameters, ServerInstance->FakeClient);
  43                 }
  44         }
  45 }
  46
  47 void ModeChannelKey::RemoveMode(User*, irc::modestacker* stack)
  48 {
  49 }
  50
  51 ModeAction ModeChannelKey::OnModeChange(User* source, User*, Channel* channel, std::string &parameter, bool adding)
  52 {
  53         bool exists = channel->IsModeSet('k');
  54         if (IS_LOCAL(source))
  55         {
  56                 if (exists == adding)
  57                         return MODEACTION_DENY;
  58                 if (exists && (parameter != channel->GetModeParameter('k')))
  59                 {
  60                         /* Key is currently set and the correct key wasnt given */
  61                         return MODEACTION_DENY;
  62                 }
  63         } else {
  64                 if (exists && adding && parameter == channel->GetModeParameter('k'))
  65                 {
  66                         /* no-op, don't show */
  67                         return MODEACTION_DENY;
  68                 }
  69         }
  70
  71         /* invalid keys */
  72         if (!parameter.length())
  73                 return MODEACTION_DENY;
  74
  75         if (parameter.rfind(' ') != std::string::npos)
  76                 return MODEACTION_DENY;
  77
  78         if (adding)
  79         {
  80                 std::string ckey;
  81                 ckey.assign(parameter, 0, 32);
  82                 parameter = ckey;
  83                 channel->SetModeParam('k', parameter);
  84         }
  85         else
  86         {
  87                 channel->SetModeParam('k', "");
  88         }
  89         return MODEACTION_ALLOW;
  90 }