src/modules/m_namedmodes.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
  16 static void DisplayList(User* user, Channel* channel)
  17 {
  18         std::stringstream items;
  19         for(char letter = 'A'; letter <= 'z'; letter++)
  20         {
  21                 ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_CHANNEL);
  22                 if (!mh || mh->IsListMode())
  23                         continue;
  24                 if (!channel->IsModeSet(letter))
  25                         continue;
  26                 items << " +" << mh->name;
  27                 if (mh->GetNumParams(true))
  28                         items << " " << channel->GetModeParameter(letter);
  29         }
  30         char pfx[MAXBUF];
  31         snprintf(pfx, MAXBUF, ":%s 961 %s %s", ServerInstance->Config->ServerName.c_str(), user->nick.c_str(), channel->name.c_str());
  32         user->SendText(std::string(pfx), items);
  33         user->WriteNumeric(960, "%s %s :End of mode list", user->nick.c_str(), channel->name.c_str());
  34 }
  35
  36 class CommandProp : public Command
  37 {
  38  public:
  39         CommandProp(Module* parent) : Command(parent, "PROP", 1)
  40         {
  41                 syntax = "<user|channel> {[+-]<mode> [<value>]}*";
  42         }
  43
  44         CmdResult Handle(const std::vector<std::string> &parameters, User *src)
  45         {
  46                 if (parameters.size() == 1)
  47                 {
  48                         Channel* chan = ServerInstance->FindChan(parameters[0]);
  49                         if (chan)
  50                                 DisplayList(src, chan);
  51                         return CMD_SUCCESS;
  52                 }
  53                 unsigned int i = 1;
  54                 std::vector<std::string> modes;
  55                 modes.push_back(parameters[0]);
  56                 modes.push_back("");
  57                 while (i < parameters.size())
  58                 {
  59                         std::string prop = parameters[i++];
  60                         bool plus = prop[0] != '-';
  61                         if (prop[0] == '+' || prop[0] == '-')
  62                                 prop.erase(prop.begin());
  63
  64                         for(char letter = 'A'; letter <= 'z'; letter++)
  65                         {
  66                                 ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_CHANNEL);
  67                                 if (mh && mh->name == prop)
  68                                 {
  69                                         modes[1].append((plus ? "+" : "-") + std::string(1, letter));
  70                                         if (mh->GetNumParams(plus))
  71                                         {
  72                                                 if (i != parameters.size())
  73                                                         modes.push_back(parameters[i++]);
  74                                         }
  75                                 }
  76                         }
  77                 }
  78                 ServerInstance->SendGlobalMode(modes, src);
  79                 return CMD_SUCCESS;
  80         }
  81 };
  82
  83 class ModuleNamedModes : public Module
  84 {
  85         CommandProp cmd;
  86  public:
  87         ModuleNamedModes() : cmd(this)
  88         {
  89         }
  90
  91         void init()
  92         {
  93                 ServerInstance->Modules->AddService(cmd);
  94
  95                 Implementation eventlist[] = { I_OnPreMode, I_On005Numeric };
  96                 ServerInstance->Modules->Attach(eventlist, this, 2);
  97         }
  98
  99         Version GetVersion()
 100         {
 101                 return Version("Provides the ability to manipulate modes via long names.",VF_VENDOR);
 102         }
 103
 104         void Prioritize()
 105         {
 106                 ServerInstance->Modules->SetPriority(this, I_OnPreMode, PRIORITY_FIRST);
 107         }
 108
 109         void On005Numeric(std::string& line)
 110         {
 111                 std::string::size_type pos = line.find(" CHANMODES=");
 112                 if (pos != std::string::npos)
 113                 {
 114                         pos += 11;
 115                         while (line[pos] > 'A' && line[pos] < 'Z')
 116                                 pos++;
 117                         line.insert(pos, 1, 'Z');
 118                 }
 119         }
 120
 121         ModResult OnPreMode(User* source, User* dest, Channel* channel, const std::vector<std::string>& parameters)
 122         {
 123                 if (!channel)
 124                         return MOD_RES_PASSTHRU;
 125                 if (parameters[1].find('Z') == std::string::npos)
 126                         return MOD_RES_PASSTHRU;
 127                 if (parameters.size() <= 2)
 128                 {
 129                         DisplayList(source, channel);
 130                         return MOD_RES_DENY;
 131                 }
 132
 133                 std::vector<std::string> newparms;
 134                 newparms.push_back(parameters[0]);
 135                 newparms.push_back(parameters[1]);
 136
 137                 std::string modelist = newparms[1];
 138                 bool adding = true;
 139                 unsigned int param_at = 2;
 140                 for(unsigned int i = 0; i < modelist.length(); i++)
 141                 {
 142                         unsigned char modechar = modelist[i];
 143                         if (modechar == '+' || modechar == '-')
 144                         {
 145                                 adding = (modechar == '+');
 146                                 continue;
 147                         }
 148                         ModeHandler *mh = ServerInstance->Modes->FindMode(modechar, MODETYPE_CHANNEL);
 149                         if (modechar == 'Z')
 150                         {
 151                                 modechar = 0;
 152                                 std::string name, value;
 153                                 if (param_at < parameters.size())
 154                                         name = parameters[param_at++];
 155                                 std::string::size_type eq = name.find('=');
 156                                 if (eq != std::string::npos)
 157                                 {
 158                                         value = name.substr(eq + 1);
 159                                         name = name.substr(0, eq);
 160                                 }
 161                                 for(char letter = 'A'; modechar == 0 && letter <= 'z'; letter++)
 162                                 {
 163                                         mh = ServerInstance->Modes->FindMode(letter, MODETYPE_CHANNEL);
 164                                         if (mh && mh->name == name)
 165                                         {
 166                                                 if (mh->GetNumParams(adding))
 167                                                 {
 168                                                         if (!value.empty())
 169                                                         {
 170                                                                 newparms.push_back(value);
 171                                                                 modechar = letter;
 172                                                                 break;
 173                                                         }
 174                                                 }
 175                                                 else
 176                                                 {
 177                                                         modechar = letter;
 178                                                         break;
 179                                                 }
 180                                         }
 181                                 }
 182                                 if (modechar)
 183                                         modelist[i] = modechar;
 184                                 else
 185                                         modelist.erase(i--, 1);
 186                         }
 187                         else if (mh && mh->GetNumParams(adding) && param_at < parameters.size())
 188                         {
 189                                 newparms.push_back(parameters[param_at++]);
 190                         }
 191                 }
 192                 newparms[1] = modelist;
 193                 ServerInstance->Modes->Process(newparms, source, false);
 194                 return MOD_RES_DENY;
 195         }
 196 };
 197
 198 MODULE_INIT(ModuleNamedModes)