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