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