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 #include "inspircd.h"
  27
  28 static bool kludgeme = false;
  29
  30 /* $ModDesc: Povides support for services +r user/chan modes and more */
  31
  32 extern InspIRCd* ServerInstance;
  33
  34 class Channel_r : public ModeHandler
  35 {
  36         Server* Srv;
  37  public:
  38         Channel_r(InspIRCd* Instance, Server* srv) : ModeHandler(Instance, 'r', 0, 0, false, MODETYPE_CHANNEL, false), Srv(srv) { }
  39
  40         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  41         {
  42                 // only a u-lined server may add or remove the +r mode.
  43                 if ((Srv->IsUlined(source->nick)) || (Srv->IsUlined(source->server)) || (!*source->server || (strchr(source->nick,'.'))))
  44                 {
  45                         log(DEBUG,"Allowing cmode +r, server and nick are: '%s','%s'",source->nick,source->server);
  46                         channel->SetMode('r',adding);
  47                         return MODEACTION_ALLOW;
  48                 }
  49                 else
  50                 {
  51                         log(DEBUG,"Only a server can set chanmode +r, server and nick are: '%s','%s'",source->nick,source->server);
  52                         source->WriteServ("500 "+std::string(source->nick)+" :Only a server may modify the +r channel mode");
  53                         return MODEACTION_DENY;
  54                 }
  55         }
  56 };
  57
  58 class User_r : public ModeHandler
  59 {
  60         Server* Srv;
  61  public:
  62         User_r(InspIRCd* Instance, Server* srv) : ModeHandler(Instance, 'r', 0, 0, false, MODETYPE_USER, false), Srv(srv) { }
  63
  64         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  65         {
  66                 if ((kludgeme) || (Srv->IsUlined(source->nick)) || (Srv->IsUlined(source->server)) || (!*source->server || (strchr(source->nick,'.'))))
  67                 {
  68                         log(DEBUG,"Allowing umode +r, server and nick are: '%s','%s'",source->nick,source->server);
  69                         dest->SetMode('r',adding);
  70                         return MODEACTION_ALLOW;
  71                 }
  72                 else
  73                 {
  74                         log(DEBUG,"Only a server can set umode +r, server and nick are: '%s','%s'",source->nick, source->server);
  75                         source->WriteServ("500 "+std::string(source->nick)+" :Only a server may modify the +r user mode");
  76                         return MODEACTION_DENY;
  77                 }
  78         }
  79 };
  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 class User_R : public ModeHandler
 110 {
 111  public:
 112         User_R(InspIRCd* Instance) : ModeHandler(Instance, 'R', 0, 0, false, MODETYPE_USER, false) { }
 113
 114         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
 115         {
 116                 if (adding)
 117                 {
 118                         if (!dest->IsModeSet('R'))
 119                         {
 120                                 dest->SetMode('R',true);
 121                                 return MODEACTION_ALLOW;
 122                         }
 123                 }
 124                 else
 125                 {
 126                         if (dest->IsModeSet('R'))
 127                         {
 128                                 dest->SetMode('R',false);
 129                                 return MODEACTION_ALLOW;
 130                         }
 131                 }
 132
 133                 return MODEACTION_DENY;
 134         }
 135 };
 136
 137 class Channel_M : public ModeHandler
 138 {
 139  public:
 140         Channel_M(InspIRCd* Instance) : ModeHandler(Instance, 'M', 0, 0, false, MODETYPE_CHANNEL, false) { }
 141
 142         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
 143         {
 144                 if (adding)
 145                 {
 146                         if (!channel->IsModeSet('M'))
 147                         {
 148                                 channel->SetMode('M',true);
 149                                 return MODEACTION_ALLOW;
 150                         }
 151                 }
 152                 else
 153                 {
 154                         if (channel->IsModeSet('M'))
 155                         {
 156                                 channel->SetMode('M',true);
 157                                 return MODEACTION_ALLOW;
 158                         }
 159                 }
 160
 161                 return MODEACTION_DENY;
 162         }
 163 };
 164
 165 class ModuleServices : public Module
 166 {
 167         Server *Srv;
 168         Channel_r* m1;
 169         Channel_R* m2;
 170         Channel_M* m3;
 171         User_r* m4;
 172         User_R* m5;
 173  public:
 174         ModuleServices(Server* Me)
 175                 : Module::Module(Me)
 176         {
 177                 Srv = Me;
 178                 m1 = new Channel_r(ServerInstance, Me);
 179                 m2 = new Channel_R(ServerInstance);
 180                 m3 = new Channel_M(ServerInstance);
 181                 m4 = new User_r(ServerInstance, Me);
 182                 m5 = new User_R(ServerInstance);
 183                 Srv->AddMode(m1, 'r');
 184                 Srv->AddMode(m2, 'R');
 185                 Srv->AddMode(m3, 'M');
 186                 Srv->AddMode(m4, 'r');
 187                 Srv->AddMode(m5, 'R');
 188                 kludgeme = false;
 189         }
 190
 191         virtual void On005Numeric(std::string &output)
 192         {
 193                 ServerInstance->ModeGrok->InsertMode(output, "rRM", 4);
 194         }
 195
 196         /* <- :stitch.chatspike.net 307 w00t w00t :is a registered nick */
 197         virtual void OnWhois(userrec* source, userrec* dest)
 198         {
 199                 if (dest->IsModeSet('r'))
 200                 {
 201                         /* user is registered */
 202                         source->WriteServ("307 %s %s :is a registered nick", source->nick, dest->nick);
 203                 }
 204         }
 205
 206         void Implements(char* List)
 207         {
 208                 List[I_OnWhois] = List[I_OnUserPostNick] = List[I_OnUserPreMessage] = List[I_On005Numeric] = List[I_OnUserPreNotice] = List[I_OnUserPreJoin] = 1;
 209         }
 210
 211         virtual void OnUserPostNick(userrec* user, const std::string &oldnick)
 212         {
 213                 /* On nickchange, if they have +r, remove it */
 214                 if (user->IsModeSet('r'))
 215                 {
 216                         const char* modechange[2];
 217                         modechange[0] = user->nick;
 218                         modechange[1] = "-r";
 219                         kludgeme = true;
 220                         Srv->SendMode(modechange,2,user);
 221                         kludgeme = false;
 222                 }
 223         }
 224
 225         virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status)
 226         {
 227                 if (target_type == TYPE_CHANNEL)
 228                 {
 229                         chanrec* c = (chanrec*)dest;
 230                         if ((c->IsModeSet('M')) && (!user->IsModeSet('r')))
 231                         {
 232                                 if ((Srv->IsUlined(user->nick)) || (Srv->IsUlined(user->server)) || (!strcmp(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 "+std::string(user->nick)+" "+std::string(c->name)+" :You need a registered nickname to speak on this channel");
 239                                 return 1;
 240                         }
 241                 }
 242                 if (target_type == TYPE_USER)
 243                 {
 244                         userrec* u = (userrec*)dest;
 245                         if ((u->IsModeSet('R')) && (user->IsModeSet('r')))
 246                         {
 247                                 if ((Srv->IsUlined(user->nick)) || (Srv->IsUlined(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 "+std::string(user->nick)+" "+std::string(u->nick)+" :You need a registered nickname to message this user");
 254                                 return 1;
 255                         }
 256                 }
 257                 return 0;
 258         }
 259
 260         virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status)
 261         {
 262                 return OnUserPreMessage(user,dest,target_type,text,status);
 263         }
 264
 265         virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname)
 266         {
 267                 if (chan)
 268                 {
 269                         if (chan->IsModeSet('R'))
 270                         {
 271                                 if (user->IsModeSet('r'))
 272                                 {
 273                                         if ((Srv->IsUlined(user->nick)) || (Srv->IsUlined(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 "+std::string(user->nick)+" "+std::string(chan->name)+" :You need a registered nickname to join this channel");
 280                                         return 1;
 281                                 }
 282                         }
 283                 }
 284                 return 0;
 285         }
 286
 287         virtual ~ModuleServices()
 288         {
 289                 DELETE(m1);
 290                 DELETE(m2);
 291                 DELETE(m3);
 292                 DELETE(m4);
 293                 DELETE(m5);
 294         }
 295
 296         virtual Version GetVersion()
 297         {
 298                 return Version(1,0,0,0,VF_STATIC|VF_VENDOR);
 299         }
 300 };
 301
 302
 303 class ModuleServicesFactory : public ModuleFactory
 304 {
 305  public:
 306         ModuleServicesFactory()
 307         {
 308         }
 309
 310         ~ModuleServicesFactory()
 311         {
 312         }
 313
 314         virtual Module * CreateModule(Server* Me)
 315         {
 316                 return new ModuleServices(Me);
 317         }
 318
 319 };
 320
 321
 322 extern "C" void * init_module( void )
 323 {
 324         return new ModuleServicesFactory;
 325 }
 326