]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/channels.cpp
Decide that it wasn't quite appropriate :(
[user/henk/code/inspircd.git] / src / channels.cpp
index 573289db918027d73f71482fdce0d3999b3c0862..fc6c90b5d7eeb89e1729a6d6a0b61dedbda504a2 100644 (file)
@@ -1,15 +1,15 @@
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*   +------------------------------------+
+ *   | Inspire Internet Relay Chat Daemon |
+ *   +------------------------------------+
  *
- *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
- *                       E-mail:
- *                <brain@chatspike.net>
- *               <Craig@chatspike.net>
- *     
+ *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
+ *   E-mail:
+ *       <brain@chatspike.net>
+ *       <Craig@chatspike.net>
+ * 
  * Written by Craig Edwards, Craig McLure, and others.
  * This program is free but copyrighted software; see
- *            the file COPYING for details.
+ *     the file COPYING for details.
  *
  * ---------------------------------------------------
  */
@@ -19,7 +19,6 @@ using namespace std;
 #include "inspircd_config.h"
 #include "inspircd.h"
 #include "inspircd_io.h"
-#include "inspircd_util.h"
 #include <unistd.h>
 #include <sys/errno.h>
 #include <sys/ioctl.h>
@@ -40,12 +39,14 @@ using namespace std;
 #include "globals.h"
 #include "modules.h"
 #include "dynamic.h"
+#include "commands.h"
 #include "wildcard.h"
 #include "message.h"
 #include "mode.h"
 #include "xline.h"
 #include "inspstring.h"
 #include "helperfuncs.h"
+#include "typedefs.h"
 
 #ifdef GCC3
 #define nspace __gnu_cxx
@@ -60,31 +61,26 @@ extern std::vector<Module*> modules;
 extern std::vector<ircd_module*> factory;
 extern int WHOWAS_STALE;
 extern int WHOWAS_MAX;
-extern time_t startup_time;
-extern std::vector<std::string> module_names;
-extern int boundPortCount;
-extern std::stringstream config_f;
 extern time_t TIME;
+extern chan_hash chanlist;
 
 using namespace std;
 
-std::vector<ModeParameter> custom_mode_params;
+//std::vector<ModeParameter> custom_mode_params;
+
+chanrec* ForceChan(chanrec* Ptr,ucrec &a,userrec* user, int created);
 
 chanrec::chanrec()
 {
-       strcpy(name,"");
-       strcpy(custom_modes,"");
-       strcpy(topic,"");
-       strcpy(setby,"");
-       strcpy(key,"");
-       created = topicset = limit = 0;
-       binarymodes = 0;
+       *name = *custom_modes = *topic = *setby = *key = 0;
+       created = topicset = limit = binarymodes = 0;
        internal_userlist.clear();
 }
 
 void chanrec::SetCustomMode(char mode,bool mode_on)
 {
-       if (mode_on) {
+       if (mode_on)
+       {
                static char m[3];
                m[0] = mode;
                m[1] = '\0';
@@ -99,7 +95,7 @@ void chanrec::SetCustomMode(char mode,bool mode_on)
                std::string a = this->custom_modes;
                int pos = a.find(mode);
                a.erase(pos,1);
-               strncpy(this->custom_modes,a.c_str(),MAXMODES);
+               strlcpy(this->custom_modes,a.c_str(),MAXMODES);
 
                log(DEBUG,"Custom mode %c removed: modelist='%s'",mode,this->custom_modes);
                this->SetCustomModeParam(mode,"",false);
@@ -165,25 +161,541 @@ long chanrec::GetUserCounter()
 
 void chanrec::AddUser(char* castuser)
 {
-       internal_userlist.push_back(castuser);
+       internal_userlist[castuser] = castuser;
        log(DEBUG,"Added casted user to channel's internal list");
 }
 
 void chanrec::DelUser(char* castuser)
 {
-       for (std::vector<char*>::iterator a = internal_userlist.begin(); a < internal_userlist.end(); a++)
+       std::map<char*,char*>::iterator a = internal_userlist.find(castuser);
+       if (a != internal_userlist.end())
        {
-               if (*a == castuser)
+               log(DEBUG,"Removed casted user from channel's internal list");
+               internal_userlist.erase(a);
+               /* And tidy any others... */
+               DelOppedUser(castuser);
+               DelHalfoppedUser(castuser);
+               DelVoicedUser(castuser);
+               return;
+       }
+}
+
+void chanrec::AddOppedUser(char* castuser)
+{
+       internal_op_userlist[castuser] = castuser;
+       log(DEBUG,"Added casted user to channel's internal list");
+}
+
+void chanrec::DelOppedUser(char* castuser)
+{
+       std::map<char*,char*>::iterator a = internal_op_userlist.find(castuser);
+       if (a != internal_op_userlist.end())
+       {
+               log(DEBUG,"Removed casted user from channel's internal list");
+               internal_op_userlist.erase(a);
+               return;
+       }
+}
+
+void chanrec::AddHalfoppedUser(char* castuser)
+{
+       internal_halfop_userlist[castuser] = castuser;
+       log(DEBUG,"Added casted user to channel's internal list");
+}
+
+void chanrec::DelHalfoppedUser(char* castuser)
+{
+       std::map<char*,char*>::iterator a = internal_halfop_userlist.find(castuser);
+       if (a != internal_halfop_userlist.end())
+       {   
+               log(DEBUG,"Removed casted user from channel's internal list");
+               internal_halfop_userlist.erase(a);
+               return; 
+       }
+}
+
+void chanrec::AddVoicedUser(char* castuser)
+{
+       internal_voice_userlist[castuser] = castuser;
+       log(DEBUG,"Added casted user to channel's internal list");
+}
+
+void chanrec::DelVoicedUser(char* castuser)
+{
+       std::map<char*,char*>::iterator a = internal_voice_userlist.find(castuser);
+       if (a != internal_voice_userlist.end())
+       {
+               log(DEBUG,"Removed casted user from channel's internal list");
+               internal_voice_userlist.erase(a);
+               return; 
+       }
+}
+
+std::map<char*,char*> *chanrec::GetUsers()
+{
+       return &internal_userlist;
+}
+
+std::map<char*,char*> *chanrec::GetOppedUsers()
+{
+       return &internal_op_userlist;
+}
+
+std::map<char*,char*> *chanrec::GetHalfoppedUsers()
+{
+       return &internal_halfop_userlist;
+}
+
+std::map<char*,char*> *chanrec::GetVoicedUsers()
+{
+       return &internal_voice_userlist;
+}
+
+/* 
+ * add a channel to a user, creating the record for it if needed and linking
+ * it to the user record 
+ */
+
+chanrec* add_channel(userrec *user, const char* cn, const char* key, bool override)
+{
+       if ((!user) || (!cn))
+       {
+               log(DEFAULT,"*** BUG *** add_channel was given an invalid parameter");
+               return 0;
+       }
+
+       int created = 0;
+       char cname[MAXBUF];
+       int MOD_RESULT = 0;
+       strlcpy(cname,cn,CHANMAX);
+       log(DEBUG,"cname='%s' cn='%s'",cname,cn);
+
+       log(DEBUG,"add_channel: %s %s",user->nick,cname);
+
+       chanrec* Ptr = FindChan(cname);
+
+       if (!Ptr)
+       {
+               if (user->fd > -1)
+               {
+                       MOD_RESULT = 0;
+                       FOREACH_RESULT(I_OnUserPreJoin,OnUserPreJoin(user,NULL,cname));
+                       if (MOD_RESULT == 1)
+                               return NULL;
+               }
+
+               /* create a new one */
+               chanlist[cname] = new chanrec();
+               strlcpy(chanlist[cname]->name, cname,CHANMAX);
+               chanlist[cname]->binarymodes = CM_TOPICLOCK | CM_NOEXTERNAL;
+               chanlist[cname]->created = TIME;
+               *chanlist[cname]->topic = 0;
+               strlcpy(chanlist[cname]->setby, user->nick,NICKMAX-1);
+               chanlist[cname]->topicset = 0;
+               Ptr = chanlist[cname];
+               log(DEBUG,"add_channel: created: %s",cname);
+               /*
+                * set created to 2 to indicate user
+                * is the first in the channel
+                * and should be given ops
+                */
+               created = 2;
+       }
+       else
+       {
+               /* Already on the channel */
+               if (has_channel(user,Ptr))
+                       return NULL;
+
+               /*
+                * remote users are allowed us to bypass channel modes
+                * and bans (used by servers)
+                */
+               if (IS_LOCAL(user)) /* was a check on fd > -1 */
+               {
+                       MOD_RESULT = 0;
+                       FOREACH_RESULT(I_OnUserPreJoin,OnUserPreJoin(user,Ptr,cname));
+                       if (MOD_RESULT == 1)
+                       {
+                               return NULL;
+                       }
+                       else if (MOD_RESULT == 0)
+                       {
+                               if (*Ptr->key)
+                               {
+                                       MOD_RESULT = 0;
+                                       FOREACH_RESULT(I_OnCheckKey,OnCheckKey(user, Ptr, key ? key : ""));
+                                       if (!MOD_RESULT)
+                                       {
+                                               if (!key)
+                                               {
+                                                       log(DEBUG,"add_channel: no key given in JOIN");
+                                                       WriteServ(user->fd,"475 %s %s :Cannot join channel (Requires key)",user->nick, Ptr->name);
+                                                       return NULL;
+                                               }
+                                               else
+                                               {
+                                                       if (strcmp(key,Ptr->key))
+                                                       {
+                                                               log(DEBUG,"add_channel: bad key given in JOIN");
+                                                               WriteServ(user->fd,"475 %s %s :Cannot join channel (Incorrect key)",user->nick, Ptr->name);
+                                                               return NULL;
+                                                       }
+                                               }
+                                       }
+                               }
+                               if (Ptr->binarymodes & CM_INVITEONLY)
+                               {
+                                       MOD_RESULT = 0;
+                                       irc::string xname(Ptr->name);
+                                       FOREACH_RESULT(I_OnCheckInvite,OnCheckInvite(user, Ptr));
+                                       if (!MOD_RESULT)
+                                       {
+                                               log(DEBUG,"add_channel: channel is +i");
+                                               if (user->IsInvited(xname))
+                                               {
+                                                       /* user was invited to channel */
+                                                       /* there may be an optional channel NOTICE here */
+                                               }
+                                               else
+                                               {
+                                                       WriteServ(user->fd,"473 %s %s :Cannot join channel (Invite only)",user->nick, Ptr->name);
+                                                       return NULL;
+                                               }
+                                       }
+                                       user->RemoveInvite(xname);
+                               }
+                               if (Ptr->limit)
+                               {
+                                       MOD_RESULT = 0;
+                                       FOREACH_RESULT(I_OnCheckLimit,OnCheckLimit(user, Ptr));
+                                       if (!MOD_RESULT)
+                                       {
+                                               if (usercount(Ptr) >= Ptr->limit)
+                                               {
+                                                       WriteServ(user->fd,"471 %s %s :Cannot join channel (Channel is full)",user->nick, Ptr->name);
+                                                       return NULL;
+                                               }
+                                       }
+                               }
+                               if (Ptr->bans.size())
+                               {
+                                       log(DEBUG,"add_channel: about to walk banlist");
+                                       MOD_RESULT = 0;
+                                       FOREACH_RESULT(I_OnCheckBan,OnCheckBan(user, Ptr));
+                                       if (!MOD_RESULT)
+                                       {
+                                               for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
+                                               {
+                                                       if ((match(user->GetFullHost(),i->data)) || (match(user->GetFullRealHost(),i->data)) || (match((char*)inet_ntoa(user->ip4),i->data)))
+                                                       {
+                                                               WriteServ(user->fd,"474 %s %s :Cannot join channel (You're banned)",user->nick, Ptr->name);
+                                                               return NULL;
+                                                       }
+                                               }
+                                       }
+                               }
+                       }
+               }
+               else
                {
-                       log(DEBUG,"Removed casted user from channel's internal list");
-                       internal_userlist.erase(a);
+                       log(DEBUG,"Overridden checks");
+               }
+               created = 1;
+       }
+
+       log(DEBUG,"Passed channel checks");
+
+       for (unsigned int index =0; index < user->chans.size(); index++)
+       {
+               if (user->chans[index].channel == NULL)
+               {
+                       return ForceChan(Ptr,user->chans[index],user,created);
+               }
+       }
+
+       /*
+        * XXX: If the user is an oper here, we can just extend their user->chans vector by one
+        * and put the channel in here. Same for remote users which are not bound by
+        * the channel limits. Otherwise, nope, youre boned.
+        */
+       if (!IS_LOCAL(user)) /* was a check on fd < 0 */
+       {
+               ucrec a;
+               chanrec* c = ForceChan(Ptr,a,user,created);
+               user->chans.push_back(a);
+               return c;
+       }
+       else if (*user->oper)
+       {
+               /* Oper allows extension up to the OPERMAXCHANS value */
+               if (user->chans.size() < OPERMAXCHANS)
+               {
+                       ucrec a;
+                       chanrec* c = ForceChan(Ptr,a,user,created);
+                       user->chans.push_back(a);
+                       return c;
+               }
+       }
+
+       log(DEBUG,"add_channel: user channel max exceeded: %s %s",user->nick,cname);
+       WriteServ(user->fd,"405 %s %s :You are on too many channels",user->nick, cname);
+
+       if (created == 2)
+       {
+               log(DEBUG,"BLAMMO, Whacking channel.");
+               /* Things went seriously pear shaped, so take this away. bwahaha. */
+               chan_hash::iterator n = chanlist.find(cname);
+               if (n != chanlist.end())
+               {
+                       Ptr->DelUser((char*)user);
+                       delete Ptr;
+                       chanlist.erase(n);
+                       for (unsigned int index =0; index < user->chans.size(); index++)
+                       {
+                               if (user->chans[index].channel == Ptr)
+                               {
+                                       user->chans[index].channel == NULL;
+                                       user->chans[index].uc_modes = 0;        
+                               }
+                       }
+               }
+       }
+       return NULL;
+}
+
+chanrec* ForceChan(chanrec* Ptr,ucrec &a,userrec* user, int created)
+{
+       if (created == 2)
+       {
+               /* first user in is given ops */
+               a.uc_modes = UCMODE_OP;
+               Ptr->AddOppedUser((char*)user);
+       }
+       else
+       {
+               a.uc_modes = 0;
+       }
+
+       a.channel = Ptr;
+       Ptr->AddUser((char*)user);
+       WriteChannel(Ptr,user,"JOIN :%s",Ptr->name);
+       log(DEBUG,"Sent JOIN to client");
+
+       if (Ptr->topicset)
+       {
+               WriteServ(user->fd,"332 %s %s :%s", user->nick, Ptr->name, Ptr->topic);
+               WriteServ(user->fd,"333 %s %s %s %lu", user->nick, Ptr->name, Ptr->setby, (unsigned long)Ptr->topicset);
+       }
+
+       userlist(user,Ptr);
+       WriteServ(user->fd,"366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
+       FOREACH_MOD(I_OnUserJoin,OnUserJoin(user,Ptr));
+       return Ptr;
+}
+
+/*
+ *remove a channel from a users record, and remove the record from memory
+ * if the channel has become empty
+ */
+
+chanrec* del_channel(userrec *user, const char* cname, const char* reason, bool local)
+{
+       if ((!user) || (!cname))
+       {
+               log(DEFAULT,"*** BUG *** del_channel was given an invalid parameter");
+               return NULL;
+       }
+
+       chanrec* Ptr = FindChan(cname);
+
+       if (!Ptr)
+               return NULL;
+
+       log(DEBUG,"del_channel: removing: %s %s",user->nick,Ptr->name);
+
+       for (unsigned int i =0; i < user->chans.size(); i++)
+       {
+               /* zap it from the channel list of the user */
+               if (user->chans[i].channel == Ptr)
+               {
+                       if (reason)
+                       {
+                               FOREACH_MOD(I_OnUserPart,OnUserPart(user,Ptr,reason));
+                               WriteChannel(Ptr,user,"PART %s :%s",Ptr->name, reason);
+                       }
+                       else
+                       {
+                               FOREACH_MOD(I_OnUserPart,OnUserPart(user,Ptr,""));
+                               WriteChannel(Ptr,user,"PART :%s",Ptr->name);
+                       }
+                       user->chans[i].uc_modes = 0;
+                       user->chans[i].channel = NULL;
+                       log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
+                       break;
+               }
+       }
+
+       Ptr->DelUser((char*)user);
+
+       /* if there are no users left on the channel */
+       if (!usercount(Ptr))
+       {
+               chan_hash::iterator iter = chanlist.find(Ptr->name);
+
+               log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
+
+               /* kill the record */
+               if (iter != chanlist.end())
+               {
+                       log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
+                       FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(Ptr));
+                       delete Ptr;
+                       chanlist.erase(iter);
+               }
+       }
+
+       return NULL;
+}
+
+void server_kick_channel(userrec* user, chanrec* Ptr, char* reason, bool triggerevents)
+{
+       if ((!user) || (!Ptr) || (!reason))
+       {
+               return;
+       }
+
+       if (IS_LOCAL(user))
+       {
+               if (!has_channel(user,Ptr))
+               {
+                       /* Not on channel */
                        return;
                }
        }
-       log(DEBUG,"BUG BUG BUG! Attempt to remove an uncasted user from the internal list of %s!",name);
+       
+       if (triggerevents)
+       {
+               FOREACH_MOD(I_OnUserKick,OnUserKick(NULL,user,Ptr,reason));
+       }
+
+       for (unsigned int i =0; i < user->chans.size(); i++)
+       {
+               if (user->chans[i].channel)
+               if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
+               {
+                       WriteChannelWithServ(Config->ServerName,Ptr,"KICK %s %s :%s",Ptr->name, user->nick, reason);
+                       user->chans[i].uc_modes = 0;
+                       user->chans[i].channel = NULL;
+                       break;
+               }
+       }
+
+       Ptr->DelUser((char*)user);
+
+       if (!usercount(Ptr))
+       {
+               chan_hash::iterator iter = chanlist.find(Ptr->name);
+               log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
+               /* kill the record */
+               if (iter != chanlist.end())
+               {
+                       log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
+                       FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(Ptr));
+                       delete Ptr;
+                       chanlist.erase(iter);
+               }
+       }
 }
 
-std::vector<char*> *chanrec::GetUsers()
+void kick_channel(userrec *src,userrec *user, chanrec *Ptr, char* reason)
 {
-       return &internal_userlist;
+       if ((!src) || (!user) || (!Ptr) || (!reason))
+       {
+               log(DEFAULT,"*** BUG *** kick_channel was given an invalid parameter");
+               return;
+       }
+
+       log(DEBUG,"kick_channel: removing: %s %s %s",user->nick,Ptr->name,src->nick);
+
+       if (IS_LOCAL(src))
+       {
+               if (!has_channel(user,Ptr))
+               {
+                       WriteServ(src->fd,"441 %s %s %s :They are not on that channel",src->nick, user->nick, Ptr->name);
+                       return;
+               }
+               int MOD_RESULT = 0;
+
+               if (!is_uline(src->server))
+               {
+                       MOD_RESULT = 0;
+                       FOREACH_RESULT(I_OnUserPreKick,OnUserPreKick(src,user,Ptr,reason));
+                       if (MOD_RESULT == 1)
+                               return;
+               }
+               /* Set to -1 by OnUserPreKick if explicit allow was set */
+               if (MOD_RESULT != -1)
+               {
+                       FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(src,user,Ptr,AC_KICK));
+                       if ((MOD_RESULT == ACR_DENY) && (!is_uline(src->server)))
+                               return;
+       
+                       if ((MOD_RESULT == ACR_DEFAULT) || (!is_uline(src->server)))
+                       {
+                               if ((cstatus(src,Ptr) < STATUS_HOP) || (cstatus(src,Ptr) < cstatus(user,Ptr)))
+                               {
+                                       if (cstatus(src,Ptr) == STATUS_HOP)
+                                       {
+                                               WriteServ(src->fd,"482 %s %s :You must be a channel operator",src->nick, Ptr->name);
+                                       }
+                                       else
+                                       {
+                                               WriteServ(src->fd,"482 %s %s :You must be at least a half-operator",src->nick, Ptr->name);
+                                       }
+               
+                                       return;
+                               }
+                       }
+               }
+       }
+
+       FOREACH_MOD(I_OnUserKick,OnUserKick(src,user,Ptr,reason));
+
+       for (unsigned int i =0; i < user->chans.size(); i++)
+       {
+               /* zap it from the channel list of the user */
+               if (user->chans[i].channel)
+               {
+                       if (!strcasecmp(user->chans[i].channel->name,Ptr->name))
+                       {
+                               WriteChannel(Ptr,src,"KICK %s %s :%s",Ptr->name, user->nick, reason);
+                               user->chans[i].uc_modes = 0;
+                               user->chans[i].channel = NULL;
+                               log(DEBUG,"del_channel: unlinked: %s %s",user->nick,Ptr->name);
+                               break;
+                       }
+               }
+       }
+
+       Ptr->DelUser((char*)user);
+
+       /* if there are no users left on the channel */
+       if (!usercount(Ptr))
+       {
+               chan_hash::iterator iter = chanlist.find(Ptr->name);
+
+               log(DEBUG,"del_channel: destroying channel: %s",Ptr->name);
+
+               /* kill the record */
+               if (iter != chanlist.end())
+               {
+                       log(DEBUG,"del_channel: destroyed: %s",Ptr->name);
+                       FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(Ptr));
+                       delete Ptr;
+                       chanlist.erase(iter);
+               }
+       }
 }
+
+