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 "users.h"
  20 #include "channels.h"
  21 #include "modules.h"
  22 #include "inspircd.h"
  23
  24 static bool kludgeme = false;
  25
  26 /* $ModDesc: Povides support for services +r user/chan modes and more */
  27
  28 /** Channel mode +r - mark a channel as identified
  29  */
  30 class Channel_r : public ModeHandler
  31 {
  32
  33  public:
  34         Channel_r(InspIRCd* Instance) : ModeHandler(Instance, 'r', 0, 0, false, MODETYPE_CHANNEL, false) { }
  35
  36         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  37         {
  38                 // only a u-lined server may add or remove the +r mode.
  39                 if ((ServerInstance->ULine(source->nick)) || (ServerInstance->ULine(source->server)) || (!*source->server || (strchr(source->nick,'.'))))
  40                 {
  41                         ServerInstance->Log(DEBUG,"Allowing cmode +r, server and nick are: '%s','%s'",source->nick,source->server);
  42                         channel->SetMode('r',adding);
  43                         return MODEACTION_ALLOW;
  44                 }
  45                 else
  46                 {
  47                         ServerInstance->Log(DEBUG,"Only a server can set chanmode +r, server and nick are: '%s','%s'",source->nick,source->server);
  48                         source->WriteServ("500 "+std::string(source->nick)+" :Only a server may modify the +r channel mode");
  49                         return MODEACTION_DENY;
  50                 }
  51         }
  52 };
  53
  54 /** User mode +r - mark a user as identified
  55  */
  56 class User_r : public ModeHandler
  57 {
  58
  59  public:
  60         User_r(InspIRCd* Instance) : ModeHandler(Instance, 'r', 0, 0, false, MODETYPE_USER, false) { }
  61
  62         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  63         {
  64                 if ((kludgeme) || (ServerInstance->ULine(source->nick)) || (ServerInstance->ULine(source->server)) || (!*source->server || (strchr(source->nick,'.'))))
  65                 {
  66                         ServerInstance->Log(DEBUG,"Allowing umode +r, server and nick are: '%s','%s'",source->nick,source->server);
  67                         dest->SetMode('r',adding);
  68                         return MODEACTION_ALLOW;
  69                 }
  70                 else
  71                 {
  72                         ServerInstance->Log(DEBUG,"Only a server can set umode +r, server and nick are: '%s','%s'",source->nick, source->server);
  73                         source->WriteServ("500 "+std::string(source->nick)+" :Only a server may modify the +r user mode");
  74                         return MODEACTION_DENY;
  75                 }
  76         }
  77 };
  78
  79 /** Channel mode +R - registered users only
  80  */
  81 class Channel_R : public ModeHandler
  82 {
  83  public:
  84         Channel_R(InspIRCd* Instance) : ModeHandler(Instance, 'R', 0, 0, false, MODETYPE_CHANNEL, false) { }
  85
  86         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  87         {
  88                 if (adding)
  89                 {
  90                         if (!channel->IsModeSet('R'))
  91                         {
  92                                 channel->SetMode('R',true);
  93                                 return MODEACTION_ALLOW;
  94                         }
  95                 }
  96                 else
  97                 {
  98                         if (channel->IsModeSet('R'))
  99                         {
 100                                 channel->SetMode('R',false);
 101                                 return MODEACTION_ALLOW;
 102                         }
 103                 }
 104
 105                 return MODEACTION_DENY;
 106         }
 107 };
 108
 109 /** User mode +R - only allow PRIVMSG and NOTICE from registered users
 110  */
 111 class User_R : public ModeHandler
 112 {
 113  public:
 114         User_R(InspIRCd* Instance) : ModeHandler(Instance, 'R', 0, 0, false, MODETYPE_USER, false) { }
 115
 116         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
 117         {
 118                 if (adding)
 119                 {
 120                         if (!dest->IsModeSet('R'))
 121                         {
 122                                 dest->SetMode('R',true);
 123                                 return MODEACTION_ALLOW;
 124                         }
 125                 }
 126                 else
 127                 {
 128                         if (dest->IsModeSet('R'))
 129                         {
 130                                 dest->SetMode('R',false);
 131                                 return MODEACTION_ALLOW;
 132                         }
 133                 }
 134
 135                 return MODEACTION_DENY;
 136         }
 137 };
 138
 139 /** Channel mode +M - only allow privmsg and notice to channel from registered users
 140  */
 141 class Channel_M : public ModeHandler
 142 {
 143  public:
 144         Channel_M(InspIRCd* Instance) : ModeHandler(Instance, 'M', 0, 0, false, MODETYPE_CHANNEL, false) { }
 145
 146         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
 147         {
 148                 if (adding)
 149                 {
 150                         if (!channel->IsModeSet('M'))
 151                         {
 152                                 channel->SetMode('M',true);
 153                                 return MODEACTION_ALLOW;
 154                         }
 155                 }
 156                 else
 157                 {
 158                         if (channel->IsModeSet('M'))
 159                         {
 160                                 channel->SetMode('M',false);
 161                                 return MODEACTION_ALLOW;
 162                         }
 163                 }
 164
 165                 return MODEACTION_DENY;
 166         }
 167 };
 168
 169 /** Dreamnforge-like services support
 170  */
 171 class ModuleServices : public Module
 172 {
 173
 174         Channel_r* m1;
 175         Channel_R* m2;
 176         Channel_M* m3;
 177         User_r* m4;
 178         User_R* m5;
 179  public:
 180         ModuleServices(InspIRCd* Me)
 181                 : Module::Module(Me)
 182         {
 183
 184                 m1 = new Channel_r(ServerInstance);
 185                 m2 = new Channel_R(ServerInstance);
 186                 m3 = new Channel_M(ServerInstance);
 187                 m4 = new User_r(ServerInstance);
 188                 m5 = new User_R(ServerInstance);
 189                 ServerInstance->AddMode(m1, 'r');
 190                 ServerInstance->AddMode(m2, 'R');
 191                 ServerInstance->AddMode(m3, 'M');
 192                 ServerInstance->AddMode(m4, 'r');
 193                 ServerInstance->AddMode(m5, 'R');
 194                 kludgeme = false;
 195         }
 196
 197         /* <- :stitch.chatspike.net 307 w00t w00t :is a registered nick */
 198         virtual void OnWhois(userrec* source, userrec* dest)
 199         {
 200                 if (dest->IsModeSet('r'))
 201                 {
 202                         /* user is registered */
 203                         source->WriteServ("307 %s %s :is a registered nick", source->nick, dest->nick);
 204                 }
 205         }
 206
 207         void Implements(char* List)
 208         {
 209                 List[I_OnWhois] = List[I_OnUserPostNick] = List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnUserPreJoin] = 1;
 210         }
 211
 212         virtual void OnUserPostNick(userrec* user, const std::string &oldnick)
 213         {
 214                 /* On nickchange, if they have +r, remove it */
 215                 if (user->IsModeSet('r'))
 216                 {
 217                         const char* modechange[2];
 218                         modechange[0] = user->nick;
 219                         modechange[1] = "-r";
 220                         kludgeme = true;
 221                         ServerInstance->SendMode(modechange,2,user);
 222                         kludgeme = false;
 223                 }
 224         }
 225
 226         virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status)
 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)) || (!strcmp(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 "+std::string(user->nick)+" "+std::string(c->name)+" :You need a registered nickname to speak on this channel");
 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 "+std::string(user->nick)+" "+std::string(u->nick)+" :You need a registered nickname to message this user");
 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)
 262         {
 263                 return OnUserPreMessage(user,dest,target_type,text,status);
 264         }
 265
 266         virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname)
 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 "+std::string(user->nick)+" "+std::string(chan->name)+" :You need a registered nickname to join this channel");
 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(1,0,0,0,VF_COMMON|VF_VENDOR);
 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