src/modules/m_namedmodes.cpp

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
   5  *
   6  * This file is part of InspIRCd.  InspIRCd is free software: you can
   7  * redistribute it and/or modify it under the terms of the GNU General Public
   8  * License as published by the Free Software Foundation, version 2.
   9  *
  10  * This program is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  12  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  13  * details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19
  20 #include "inspircd.h"
  21
  22 static void DisplayList(User* user, Channel* channel)
  23 {
  24         std::stringstream items;
  25         for(char letter = 'A'; letter <= 'z'; letter++)
  26         {
  27                 ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_CHANNEL);
  28                 if (!mh || mh->IsListMode())
  29                         continue;
  30                 if (!channel->IsModeSet(mh))
  31                         continue;
  32                 items << " +" << mh->name;
  33                 if (mh->GetNumParams(true))
  34                         items << " " << channel->GetModeParameter(mh);
  35         }
  36         const std::string line = ":" + ServerInstance->Config->ServerName + " 961 " + user->nick + " " + channel->name;
  37         user->SendText(line, items);
  38         user->WriteNumeric(960, "%s %s :End of mode list", user->nick.c_str(), channel->name.c_str());
  39 }
  40
  41 class CommandProp : public Command
  42 {
  43  public:
  44         CommandProp(Module* parent) : Command(parent, "PROP", 1)
  45         {
  46                 syntax = "<user|channel> {[+-]<mode> [<value>]}*";
  47         }
  48
  49         CmdResult Handle(const std::vector<std::string> &parameters, User *src)
  50         {
  51                 if (parameters.size() == 1)
  52                 {
  53                         Channel* chan = ServerInstance->FindChan(parameters[0]);
  54                         if (chan)
  55                                 DisplayList(src, chan);
  56                         return CMD_SUCCESS;
  57                 }
  58                 unsigned int i = 1;
  59                 std::vector<std::string> modes;
  60                 modes.push_back(parameters[0]);
  61                 modes.push_back("");
  62                 while (i < parameters.size())
  63                 {
  64                         std::string prop = parameters[i++];
  65                         bool plus = prop[0] != '-';
  66                         if (prop[0] == '+' || prop[0] == '-')
  67                                 prop.erase(prop.begin());
  68
  69                         for(char letter = 'A'; letter <= 'z'; letter++)
  70                         {
  71                                 ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_CHANNEL);
  72                                 if (mh && mh->name == prop)
  73                                 {
  74                                         modes[1].append((plus ? "+" : "-") + std::string(1, letter));
  75                                         if (mh->GetNumParams(plus))
  76                                         {
  77                                                 if (i != parameters.size())
  78                                                         modes.push_back(parameters[i++]);
  79                                         }
  80                                 }
  81                         }
  82                 }
  83                 ServerInstance->Modes->Process(modes, src);
  84                 return CMD_SUCCESS;
  85         }
  86 };
  87
  88 class DummyZ : public ModeHandler
  89 {
  90  public:
  91         DummyZ(Module* parent) : ModeHandler(parent, "namebase", 'Z', PARAM_ALWAYS, MODETYPE_CHANNEL)
  92         {
  93                 list = true;
  94         }
  95 };
  96
  97 class ModuleNamedModes : public Module
  98 {
  99         CommandProp cmd;
 100         DummyZ dummyZ;
 101  public:
 102         ModuleNamedModes() : cmd(this), dummyZ(this)
 103         {
 104         }
 105
 106         Version GetVersion() CXX11_OVERRIDE
 107         {
 108                 return Version("Provides the ability to manipulate modes via long names.",VF_VENDOR);
 109         }
 110
 111         void Prioritize()
 112         {
 113                 ServerInstance->Modules->SetPriority(this, I_OnPreMode, PRIORITY_FIRST);
 114         }
 115
 116         ModResult OnPreMode(User* source, User* dest, Channel* channel, const std::vector<std::string>& parameters) CXX11_OVERRIDE
 117         {
 118                 if (!channel)
 119                         return MOD_RES_PASSTHRU;
 120                 if (parameters[1].find('Z') == std::string::npos)
 121                         return MOD_RES_PASSTHRU;
 122                 if (parameters.size() <= 2)
 123                 {
 124                         DisplayList(source, channel);
 125                         return MOD_RES_DENY;
 126                 }
 127
 128                 std::vector<std::string> newparms;
 129                 newparms.push_back(parameters[0]);
 130                 newparms.push_back(parameters[1]);
 131
 132                 std::string modelist = newparms[1];
 133                 bool adding = true;
 134                 unsigned int param_at = 2;
 135                 for(unsigned int i = 0; i < modelist.length(); i++)
 136                 {
 137                         unsigned char modechar = modelist[i];
 138                         if (modechar == '+' || modechar == '-')
 139                         {
 140                                 adding = (modechar == '+');
 141                                 continue;
 142                         }
 143                         ModeHandler *mh = ServerInstance->Modes->FindMode(modechar, MODETYPE_CHANNEL);
 144                         if (modechar == 'Z')
 145                         {
 146                                 modechar = 0;
 147                                 std::string name, value;
 148                                 if (param_at < parameters.size())
 149                                         name = parameters[param_at++];
 150                                 std::string::size_type eq = name.find('=');
 151                                 if (eq != std::string::npos)
 152                                 {
 153                                         value = name.substr(eq + 1);
 154                                         name = name.substr(0, eq);
 155                                 }
 156                                 for(char letter = 'A'; modechar == 0 && letter <= 'z'; letter++)
 157                                 {
 158                                         mh = ServerInstance->Modes->FindMode(letter, MODETYPE_CHANNEL);
 159                                         if (mh && mh->name == name)
 160                                         {
 161                                                 if (mh->GetNumParams(adding))
 162                                                 {
 163                                                         if (!value.empty())
 164                                                         {
 165                                                                 newparms.push_back(value);
 166                                                                 modechar = letter;
 167                                                                 break;
 168                                                         }
 169                                                 }
 170                                                 else
 171                                                 {
 172                                                         modechar = letter;
 173                                                         break;
 174                                                 }
 175                                         }
 176                                 }
 177                                 if (modechar)
 178                                         modelist[i] = modechar;
 179                                 else
 180                                         modelist.erase(i--, 1);
 181                         }
 182                         else if (mh && mh->GetNumParams(adding) && param_at < parameters.size())
 183                         {
 184                                 newparms.push_back(parameters[param_at++]);
 185                         }
 186                 }
 187                 newparms[1] = modelist;
 188                 ServerInstance->Modes->Process(newparms, source);
 189                 return MOD_RES_DENY;
 190         }
 191 };
 192
 193 MODULE_INIT(ModuleNamedModes)