src/modules/m_services.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 using namespace std;
  18
  19 #include <stdio.h>
  20 #include "users.h"
  21 #include "channels.h"
  22 #include "modules.h"
  23 #include <string>
  24 #include "helperfuncs.h"
  25 #include "hashcomp.h"
  26
  27 static bool kludgeme = false;
  28
  29 /* $ModDesc: Povides support for services +r user/chan modes and more */
  30
  31 class Channel_r : public ModeHandler
  32 {
  33         Server* Srv;
  34  public:
  35         Channel_r(Server* srv) : ModeHandler('r', 0, 0, false, MODETYPE_CHANNEL, false), Srv(srv) { }
  36
  37         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  38         {
  39                 // only a u-lined server may add or remove the +r mode.
  40                 if ((Srv->IsUlined(source->nick)) || (Srv->IsUlined(source->server)) || (!*source->server || (strchr(source->nick,'.'))))
  41                 {
  42                         log(DEBUG,"Allowing cmode +r, server and nick are: '%s','%s'",source->nick,source->server);
  43                         channel->SetMode('r',adding);
  44                         return MODEACTION_ALLOW;
  45                 }
  46                 else
  47                 {
  48                         log(DEBUG,"Only a server can set chanmode +r, server and nick are: '%s','%s'",source->nick,source->server);
  49                         Srv->SendServ(source->fd,"500 "+std::string(source->nick)+" :Only a server may modify the +r channel mode");
  50                         return MODEACTION_DENY;
  51                 }
  52         }
  53 };
  54
  55 class User_r : public ModeHandler
  56 {
  57         Server* Srv;
  58  public:
  59         User_r(Server* srv) : ModeHandler('r', 0, 0, false, MODETYPE_USER, false), Srv(srv) { }
  60
  61         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  62         {
  63                 if ((kludgeme) || (Srv->IsUlined(source->nick)) || (Srv->IsUlined(source->server)) || (!*source->server || (strchr(source->nick,'.'))))
  64                 {
  65                         log(DEBUG,"Allowing umode +r, server and nick are: '%s','%s'",source->nick,source->server);
  66                         dest->SetMode('r',adding);
  67                         return MODEACTION_ALLOW;
  68                 }
  69                 else
  70                 {
  71                         log(DEBUG,"Only a server can set umode +r, server and nick are: '%s','%s'",source->nick, source->server);
  72                         Srv->SendServ(source->fd,"500 "+std::string(source->nick)+" :Only a server may modify the +r user mode");
  73                         return MODEACTION_DENY;
  74                 }
  75         }
  76 };
  77
  78 class Channel_R : public ModeHandler
  79 {
  80  public:
  81         Channel_R() : ModeHandler('R', 0, 0, false, MODETYPE_CHANNEL, false) { }
  82
  83         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  84         {
  85                 if (adding)
  86                 {
  87                         if (!channel->IsModeSet('R'))
  88                         {
  89                                 channel->SetMode('R',true);
  90                                 return MODEACTION_ALLOW;
  91                         }
  92                 }
  93                 else
  94                 {
  95                         if (channel->IsModeSet('R'))
  96                         {
  97                                 channel->SetMode('R',false);
  98                                 return MODEACTION_ALLOW;
  99                         }
 100                 }
 101
 102                 return MODEACTION_DENY;
 103         }
 104 };
 105
 106 class User_R : public ModeHandler
 107 {
 108  public:
 109         User_R() : ModeHandler('R', 0, 0, false, MODETYPE_USER, false) { }
 110
 111         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
 112         {
 113                 if (adding)
 114                 {
 115                         if (!dest->IsModeSet('R'))
 116                         {
 117                                 dest->SetMode('R',true);
 118                                 return MODEACTION_ALLOW;
 119                         }
 120                 }
 121                 else
 122                 {
 123                         if (dest->IsModeSet('R'))
 124                         {
 125                                 dest->SetMode('R',false);
 126                                 return MODEACTION_ALLOW;
 127                         }
 128                 }
 129
 130                 return MODEACTION_DENY;
 131         }
 132 };
 133
 134 class Channel_M : public ModeHandler
 135 {
 136  public:
 137         Channel_M() : ModeHandler('M', 0, 0, false, MODETYPE_CHANNEL, false) { }
 138
 139         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
 140         {
 141                 if (adding)
 142                 {
 143                         if (!channel->IsModeSet('M'))
 144                         {
 145                                 channel->SetMode('M',true);
 146                                 return MODEACTION_ALLOW;
 147                         }
 148                 }
 149                 else
 150                 {
 151                         if (channel->IsModeSet('M'))
 152                         {
 153                                 channel->SetMode('M',true);
 154                                 return MODEACTION_ALLOW;
 155                         }
 156                 }
 157
 158                 return MODEACTION_DENY;
 159         }
 160 };
 161
 162 class ModuleServices : public Module
 163 {
 164         Server *Srv;
 165         Channel_r* m1;
 166         Channel_R* m2;
 167         Channel_M* m3;
 168         User_r* m4;
 169         User_R* m5;
 170  public:
 171         ModuleServices(Server* Me)
 172                 : Module::Module(Me)
 173         {
 174                 Srv = Me;
 175                 m1 = new Channel_r(Me);
 176                 m2 = new Channel_R();
 177                 m3 = new Channel_M();
 178                 m4 = new User_r(Me);
 179                 m5 = new User_R();
 180                 Srv->AddMode(m1, 'r');
 181                 Srv->AddMode(m2, 'R');
 182                 Srv->AddMode(m3, 'M');
 183                 Srv->AddMode(m4, 'r');
 184                 Srv->AddMode(m5, 'R');
 185                 kludgeme = false;
 186         }
 187
 188         virtual void On005Numeric(std::string &output)
 189         {
 190                 InsertMode(output, "rRM", 4);
 191         }
 192
 193         /* <- :stitch.chatspike.net 307 w00t w00t :is a registered nick */
 194         virtual void OnWhois(userrec* source, userrec* dest)
 195         {
 196                 if (dest->IsModeSet('r'))
 197                 {
 198                         /* user is registered */
 199                         WriteServ(source->fd, "307 %s %s :is a registered nick", source->nick, dest->nick);
 200                 }
 201         }
 202
 203         void Implements(char* List)
 204         {
 205                 List[I_OnWhois] = List[I_OnUserPostNick] = List[I_OnUserPreMessage] = List[I_On005Numeric] = List[I_OnUserPreNotice] = List[I_OnUserPreJoin] = 1;
 206         }
 207
 208         virtual void OnUserPostNick(userrec* user, const std::string &oldnick)
 209         {
 210                 /* On nickchange, if they have +r, remove it */
 211                 if (user->IsModeSet('r'))
 212                 {
 213                         const char* modechange[2];
 214                         modechange[0] = user->nick;
 215                         modechange[1] = "-r";
 216                         kludgeme = true;
 217                         Srv->SendMode(modechange,2,user);
 218                         kludgeme = false;
 219                 }
 220         }
 221
 222         virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status)
 223         {
 224                 if (target_type == TYPE_CHANNEL)
 225                 {
 226                         chanrec* c = (chanrec*)dest;
 227                         if ((c->IsModeSet('M')) && (!user->IsModeSet('r')))
 228                         {
 229                                 if ((Srv->IsUlined(user->nick)) || (Srv->IsUlined(user->server)) || (!strcmp(user->server,"")))
 230                                 {
 231                                         // user is ulined, can speak regardless
 232                                         return 0;
 233                                 }
 234                                 // user messaging a +M channel and is not registered
 235                                 Srv->SendServ(user->fd,"477 "+std::string(user->nick)+" "+std::string(c->name)+" :You need a registered nickname to speak on this channel");
 236                                 return 1;
 237                         }
 238                 }
 239                 if (target_type == TYPE_USER)
 240                 {
 241                         userrec* u = (userrec*)dest;
 242                         if ((u->IsModeSet('R')) && (user->IsModeSet('r')))
 243                         {
 244                                 if ((Srv->IsUlined(user->nick)) || (Srv->IsUlined(user->server)))
 245                                 {
 246                                         // user is ulined, can speak regardless
 247                                         return 0;
 248                                 }
 249                                 // user messaging a +R user and is not registered
 250                                 Srv->SendServ(user->fd,"477 "+std::string(user->nick)+" "+std::string(u->nick)+" :You need a registered nickname to message this user");
 251                                 return 1;
 252                         }
 253                 }
 254                 return 0;
 255         }
 256
 257         virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status)
 258         {
 259                 return OnUserPreMessage(user,dest,target_type,text,status);
 260         }
 261
 262         virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname)
 263         {
 264                 if (chan)
 265                 {
 266                         if (chan->IsModeSet('R'))
 267                         {
 268                                 if (user->IsModeSet('r'))
 269                                 {
 270                                         if ((Srv->IsUlined(user->nick)) || (Srv->IsUlined(user->server)))
 271                                         {
 272                                                 // user is ulined, won't be stopped from joining
 273                                                 return 0;
 274                                         }
 275                                         // joining a +R channel and not identified
 276                                         Srv->SendServ(user->fd,"477 "+std::string(user->nick)+" "+std::string(chan->name)+" :You need a registered nickname to join this channel");
 277                                         return 1;
 278                                 }
 279                         }
 280                 }
 281                 return 0;
 282         }
 283
 284         virtual ~ModuleServices()
 285         {
 286                 DELETE(m1);
 287                 DELETE(m2);
 288                 DELETE(m3);
 289                 DELETE(m4);
 290                 DELETE(m5);
 291         }
 292
 293         virtual Version GetVersion()
 294         {
 295                 return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
 296         }
 297 };
 298
 299
 300 class ModuleServicesFactory : public ModuleFactory
 301 {
 302  public:
 303         ModuleServicesFactory()
 304         {
 305         }
 306
 307         ~ModuleServicesFactory()
 308         {
 309         }
 310
 311         virtual Module * CreateModule(Server* Me)
 312         {
 313                 return new ModuleServices(Me);
 314         }
 315
 316 };
 317
 318
 319 extern "C" void * init_module( void )
 320 {
 321         return new ModuleServicesFactory;
 322 }
 323