src/modules/m_services.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "users.h"
  15 #include "channels.h"
  16 #include "modules.h"
  17 #include "inspircd.h"
  18
  19 static bool kludgeme = false;
  20
  21 /* $ModDesc: Povides support for services +r user/chan modes and more */
  22
  23 /** Channel mode +r - mark a channel as identified
  24  */
  25 class Channel_r : public ModeHandler
  26 {
  27
  28  public:
  29         Channel_r(InspIRCd* Instance) : ModeHandler(Instance, 'r', 0, 0, false, MODETYPE_CHANNEL, false) { }
  30
  31         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  32         {
  33                 // only a u-lined server may add or remove the +r mode.
  34                 if ((ServerInstance->ULine(source->nick)) || (ServerInstance->ULine(source->server)) || (!*source->server || (strchr(source->nick,'.'))))
  35                 {
  36                         ServerInstance->Log(DEBUG,"Allowing cmode +r, server and nick are: '%s','%s'",source->nick,source->server);
  37                         channel->SetMode('r',adding);
  38                         return MODEACTION_ALLOW;
  39                 }
  40                 else
  41                 {
  42                         ServerInstance->Log(DEBUG,"Only a server can set chanmode +r, server and nick are: '%s','%s'",source->nick,source->server);
  43                         source->WriteServ("500 "+std::string(source->nick)+" :Only a server may modify the +r channel mode");
  44                         return MODEACTION_DENY;
  45                 }
  46         }
  47 };
  48
  49 /** User mode +r - mark a user as identified
  50  */
  51 class User_r : public ModeHandler
  52 {
  53
  54  public:
  55         User_r(InspIRCd* Instance) : ModeHandler(Instance, 'r', 0, 0, false, MODETYPE_USER, false) { }
  56
  57         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  58         {
  59                 if ((kludgeme) || (ServerInstance->ULine(source->nick)) || (ServerInstance->ULine(source->server)) || (!*source->server || (strchr(source->nick,'.'))))
  60                 {
  61                         if ((adding && !dest->IsModeSet('r')) || (!adding && dest->IsModeSet('r')))
  62                         {
  63                                 ServerInstance->Log(DEBUG,"Allowing umode +r, server and nick are: '%s','%s'",source->nick,source->server);
  64                                 dest->SetMode('r',adding);
  65                                 return MODEACTION_ALLOW;
  66                         }
  67                         return MODEACTION_DENY;
  68                 }
  69                 else
  70                 {
  71                         ServerInstance->Log(DEBUG,"Only a server can set umode +r, server and nick are: '%s','%s'",source->nick, source->server);
  72                         source->WriteServ("500 "+std::string(source->nick)+" :Only a server may modify the +r user mode");
  73                         return MODEACTION_DENY;
  74                 }
  75         }
  76 };
  77
  78 /** Channel mode +R - registered users only
  79  */
  80 class Channel_R : public ModeHandler
  81 {
  82  public:
  83         Channel_R(InspIRCd* Instance) : ModeHandler(Instance, 'R', 0, 0, false, MODETYPE_CHANNEL, false) { }
  84
  85         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  86         {
  87                 if (adding)
  88                 {
  89                         if (!channel->IsModeSet('R'))
  90                         {
  91                                 channel->SetMode('R',true);
  92                                 return MODEACTION_ALLOW;
  93                         }
  94                 }
  95                 else
  96                 {
  97                         if (channel->IsModeSet('R'))
  98                         {
  99                                 channel->SetMode('R',false);
 100                                 return MODEACTION_ALLOW;
 101                         }
 102                 }
 103
 104                 return MODEACTION_DENY;
 105         }
 106 };
 107
 108 /** User mode +R - only allow PRIVMSG and NOTICE from registered users
 109  */
 110 class User_R : public ModeHandler
 111 {
 112  public:
 113         User_R(InspIRCd* Instance) : ModeHandler(Instance, 'R', 0, 0, false, MODETYPE_USER, false) { }
 114
 115         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
 116         {
 117                 if (adding)
 118                 {
 119                         if (!dest->IsModeSet('R'))
 120                         {
 121                                 dest->SetMode('R',true);
 122                                 return MODEACTION_ALLOW;
 123                         }
 124                 }
 125                 else
 126                 {
 127                         if (dest->IsModeSet('R'))
 128                         {
 129                                 dest->SetMode('R',false);
 130                                 return MODEACTION_ALLOW;
 131                         }
 132                 }
 133
 134                 return MODEACTION_DENY;
 135         }
 136 };
 137
 138 /** Channel mode +M - only allow privmsg and notice to channel from registered users
 139  */
 140 class Channel_M : public ModeHandler
 141 {
 142  public:
 143         Channel_M(InspIRCd* Instance) : ModeHandler(Instance, 'M', 0, 0, false, MODETYPE_CHANNEL, false) { }
 144
 145         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
 146         {
 147                 if (adding)
 148                 {
 149                         if (!channel->IsModeSet('M'))
 150                         {
 151                                 channel->SetMode('M',true);
 152                                 return MODEACTION_ALLOW;
 153                         }
 154                 }
 155                 else
 156                 {
 157                         if (channel->IsModeSet('M'))
 158                         {
 159                                 channel->SetMode('M',false);
 160                                 return MODEACTION_ALLOW;
 161                         }
 162                 }
 163
 164                 return MODEACTION_DENY;
 165         }
 166 };
 167
 168 /** Dreamnforge-like services support
 169  */
 170 class ModuleServices : public Module
 171 {
 172
 173         Channel_r* m1;
 174         Channel_R* m2;
 175         Channel_M* m3;
 176         User_r* m4;
 177         User_R* m5;
 178  public:
 179         ModuleServices(InspIRCd* Me)
 180                 : Module::Module(Me)
 181         {
 182
 183                 m1 = new Channel_r(ServerInstance);
 184                 m2 = new Channel_R(ServerInstance);
 185                 m3 = new Channel_M(ServerInstance);
 186                 m4 = new User_r(ServerInstance);
 187                 m5 = new User_R(ServerInstance);
 188
 189                 if (!ServerInstance->AddMode(m1, 'r') || !ServerInstance->AddMode(m2, 'R') || !ServerInstance->AddMode(m3, 'M')
 190                         || !ServerInstance->AddMode(m4, 'r') || !ServerInstance->AddMode(m5, 'R'))
 191                 {
 192                         throw ModuleException("Could not add user and channel modes!");
 193                 }
 194
 195                 kludgeme = false;
 196         }
 197
 198         /* <- :stitch.chatspike.net 307 w00t w00t :is a registered nick */
 199         virtual void OnWhois(userrec* source, userrec* dest)
 200         {
 201                 if (dest->IsModeSet('r'))
 202                 {
 203                         /* user is registered */
 204                         ServerInstance->SendWhoisLine(source, dest, 307, "%s %s :is a registered nick", source->nick, dest->nick);
 205                 }
 206         }
 207
 208         void Implements(char* List)
 209         {
 210                 List[I_OnWhois] = List[I_OnUserPostNick] = List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnUserPreJoin] = 1;
 211         }
 212
 213         virtual void OnUserPostNick(userrec* user, const std::string &oldnick)
 214         {
 215                 /* On nickchange, if they have +r, remove it */
 216                 if (user->IsModeSet('r'))
 217                 {
 218                         const char* modechange[2];
 219                         modechange[0] = user->nick;
 220                         modechange[1] = "-r";
 221                         kludgeme = true;
 222                         ServerInstance->SendMode(modechange,2,user);
 223                         kludgeme = false;
 224                 }
 225         }
 226
 227         virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
 228         {
 229                 if (target_type == TYPE_CHANNEL)
 230                 {
 231                         chanrec* c = (chanrec*)dest;
 232                         if ((c->IsModeSet('M')) && (!user->IsModeSet('r')))
 233                         {
 234                                 if ((ServerInstance->ULine(user->nick)) || (ServerInstance->ULine(user->server)) || (!strcmp(user->server,"")))
 235                                 {
 236                                         // user is ulined, can speak regardless
 237                                         return 0;
 238                                 }
 239                                 // user messaging a +M channel and is not registered
 240                                 user->WriteServ("477 "+std::string(user->nick)+" "+std::string(c->name)+" :You need a registered nickname to speak on this channel");
 241                                 return 1;
 242                         }
 243                 }
 244                 if (target_type == TYPE_USER)
 245                 {
 246                         userrec* u = (userrec*)dest;
 247                         if ((u->IsModeSet('R')) && (!user->IsModeSet('r')))
 248                         {
 249                                 if ((ServerInstance->ULine(user->nick)) || (ServerInstance->ULine(user->server)))
 250                                 {
 251                                         // user is ulined, can speak regardless
 252                                         return 0;
 253                                 }
 254                                 // user messaging a +R user and is not registered
 255                                 user->WriteServ("477 "+std::string(user->nick)+" "+std::string(u->nick)+" :You need a registered nickname to message this user");
 256                                 return 1;
 257                         }
 258                 }
 259                 return 0;
 260         }
 261
 262         virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
 263         {
 264                 return OnUserPreMessage(user,dest,target_type,text,status, exempt_list);
 265         }
 266
 267         virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname, std::string &privs)
 268         {
 269                 if (chan)
 270                 {
 271                         if (chan->IsModeSet('R'))
 272                         {
 273                                 if (!user->IsModeSet('r'))
 274                                 {
 275                                         if ((ServerInstance->ULine(user->nick)) || (ServerInstance->ULine(user->server)))
 276                                         {
 277                                                 // user is ulined, won't be stopped from joining
 278                                                 return 0;
 279                                         }
 280                                         // joining a +R channel and not identified
 281                                         user->WriteServ("477 "+std::string(user->nick)+" "+std::string(chan->name)+" :You need a registered nickname to join this channel");
 282                                         return 1;
 283                                 }
 284                         }
 285                 }
 286                 return 0;
 287         }
 288
 289         virtual ~ModuleServices()
 290         {
 291                 kludgeme = true;
 292                 ServerInstance->Modes->DelMode(m1);
 293                 ServerInstance->Modes->DelMode(m2);
 294                 ServerInstance->Modes->DelMode(m3);
 295                 ServerInstance->Modes->DelMode(m4);
 296                 ServerInstance->Modes->DelMode(m5);
 297                 DELETE(m1);
 298                 DELETE(m2);
 299                 DELETE(m3);
 300                 DELETE(m4);
 301                 DELETE(m5);
 302         }
 303
 304         virtual Version GetVersion()
 305         {
 306                 return Version(1,1,0,0,VF_COMMON|VF_VENDOR,API_VERSION);
 307         }
 308 };
 309
 310
 311 class ModuleServicesFactory : public ModuleFactory
 312 {
 313  public:
 314         ModuleServicesFactory()
 315         {
 316         }
 317
 318         ~ModuleServicesFactory()
 319         {
 320         }
 321
 322         virtual Module * CreateModule(InspIRCd* Me)
 323         {
 324                 return new ModuleServices(Me);
 325         }
 326
 327 };
 328
 329
 330 extern "C" void * init_module( void )
 331 {
 332         return new ModuleServicesFactory;
 333 }
 334