]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_cban.cpp
Fixes and removal of Server::GetServerName()
[user/henk/code/inspircd.git] / src / modules / m_cban.cpp
index 4406a3c1a33729715cdb275052ce392b81322813..480d0b9e575ee859bb5952b46fa585a8a28bf4af 100644 (file)
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*      +------------------------------------+
+ *      | Inspire Internet Relay Chat Daemon |
+ *      +------------------------------------+
  *
- *  Inspire is copyright (C) 2002-2005 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>
+ *                <omster@gmail.com>
+ * 
  * 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.
  *
  * ---------------------------------------------------
  */
 
-using namespace std;
-
-#include <stdio.h>
+#include <algorithm>
+#include <vector>
+#include <string>
+#include <sstream>
 #include "users.h"
 #include "channels.h"
 #include "modules.h"
 #include "helperfuncs.h"
+#include "hashcomp.h"
+#include "configreader.h"
+#include "inspircd.h"
 
 /* $ModDesc: Gives /cban, aka C:lines. Think Q:lines, for channels. */
 
-Server *Srv;
+extern InspIRCd* ServerInstance;
 
-class CBan
+class CBan : public classbase
 {
- private:
-       unsigned long expiry;
-       std::string chname;
+public:
+       irc::string chname;
+       std::string set_by;
+       time_t set_on;
+       long length;
        std::string reason;
 
- public:
-       CBan(std::string chname, std::string reason, unsigned long expiry)
+       CBan()
        {
-
        }
 
-       std::string GetName()
+       CBan(irc::string cn, std::string sb, time_t so, long ln, std::string rs) : chname(cn), set_by(sb), set_on(so), length(ln), reason(rs)
        {
-               return chname;
        }
+};
 
-       std::string GetReason()
-       {
-               return reason;
-       }
+std::string EncodeCBan(const CBan &ban);
+CBan DecodeCBan(const std::string &data);
+bool CBanComp(const CBan &ban1, const CBan &ban2);
+void ExpireBans();
 
-       unsigned long GetExpiry()
-       {
-               return expiry;
-       }
-};
+extern time_t TIME;
+typedef std::vector<CBan> cbanlist;
+
+/* cbans is declared here, as our type is right above. Don't try move it. */
+cbanlist cbans;
 
 class cmd_cban : public command_t
 {
+ private:
+       Server *Srv;
+
  public:
-       cmd_cban () : command_t("CBAN", 'o', 1)
+       cmd_cban(Server* Me) : command_t("CBAN", 'o', 1)
        {
                this->source = "m_cban.so";
+               this->Srv = Me;
+               syntax = "<channel> [<duration> :<reason>]";
        }
 
-       void Handle(char **parameters, int pcnt, userrec *user)
+       void Handle(const char** parameters, int pcnt, userrec *user)
        {
                /* syntax: CBAN #channel time :reason goes here */
                /* 'time' is a human-readable timestring, like 2d3h2s. */
+               
+               ExpireBans();
 
-               if (pcnt == 1)
+               if(pcnt == 1)
                {
                        /* form: CBAN #channel removes a CBAN */
+                       for (cbanlist::iterator iter = cbans.begin(); iter != cbans.end(); iter++)
+                       {
+                               if (parameters[0] == iter->chname)
+                               {
+                                       unsigned long remaining = (iter->set_on + iter->length) - TIME;
+                                       user->WriteServ( "386 %s %s :Removed CBAN with %lu seconds left before expiry (%s)", user->nick, iter->chname.c_str(), remaining, iter->reason.c_str());
+                                       cbans.erase(iter);
+                                       break;
+                               }
+                       }
                }
                else if (pcnt >= 2)
                {
                        /* full form to add a CBAN */
+                       if (IsValidChannelName(parameters[0]))
+                       {
+                               // parameters[0] = #channel
+                               // parameters[1] = 1h3m2s
+                               // parameters[2] = Tortoise abuser
+                               long length = Srv->CalcDuration(parameters[1]);
+                               std::string reason = (pcnt > 2) ? parameters[2] : "No reason supplied";
+                               
+                               cbans.push_back(CBan(parameters[0], user->nick, TIME, length, reason));
+                                       
+                               std::sort(cbans.begin(), cbans.end(), CBanComp);
+                               
+                               if(length > 0)
+                               {
+                                       user->WriteServ( "385 %s %s :Added %lu second channel ban (%s)", user->nick, parameters[0], length, reason.c_str());
+                                       ServerInstance->WriteOpers("*** %s added %lu second channel ban on %s (%s)", user->nick, length, parameters[0], reason.c_str());
+                               }
+                               else
+                               {
+                                       user->WriteServ( "385 %s %s :Added permenant channel ban (%s)", user->nick, parameters[0], reason.c_str());
+                                       ServerInstance->WriteOpers("*** %s added permenant channel ban on %s (%s)", user->nick, parameters[0], reason.c_str());
+                               }
+                       }
+                       else
+                       {
+                               user->WriteServ( "403 %s %s :Invalid channel name", user->nick, parameters[0]);
+                       }
                }
        }
 };
@@ -82,36 +131,71 @@ class cmd_cban : public command_t
 class ModuleCBan : public Module
 {
        cmd_cban* mycommand;
-       vector<CBan> cbans;
+       Server* Srv;
 
  public:
        ModuleCBan(Server* Me) : Module::Module(Me)
        {
                Srv = Me;
-               mycommand = new cmd_cban();
+               mycommand = new cmd_cban(Srv);
                Srv->AddCommand(mycommand);
        }
 
-       virtual int OnUserPreJoin (userrec *user, chanrec *chan, const char *cname)
+       void Implements(char* List)
        {
-               /* check cbans in here, and apply as necessary. */
-
-               std::string chname = cname;
-
-               for (vector<CBan>::iterator iterate = cbans.begin(); iterate < cbans.end(); iterate++)
+               List[I_OnUserPreJoin] = List[I_OnSyncOtherMetaData] = List[I_OnDecodeMetaData] = List[I_OnStats] = 1;
+       }
+       
+       virtual int OnStats(char symbol, userrec* user, string_list &results)
+       {
+               ExpireBans();
+       
+               if(symbol == 'C')
                {
-                       CBan *comp = (CBan *)*iterate; /* *mindsplode* */
+                       for(cbanlist::iterator iter = cbans.begin(); iter != cbans.end(); iter++)
+                       {
+                               unsigned long remaining = (iter->set_on + iter->length) - TIME;
+                               results.push_back(std::string(ServerInstance->Config->ServerName)+" 210 "+user->nick+" "+iter->chname.c_str()+" "+iter->set_by+" "+ConvToStr(iter->set_on)+" "+ConvToStr(iter->length)+" "+ConvToStr(remaining)+" :"+iter->reason);
+                       }
+               }
+               
+               return 0;
+       }
 
-                       if (chname == comp->GetName())
+       virtual int OnUserPreJoin(userrec *user, chanrec *chan, const char *cname)
+       {
+               ExpireBans();
+       
+               /* check cbans in here, and apply as necessary. */
+               for(cbanlist::iterator iter = cbans.begin(); iter != cbans.end(); iter++)
+               {
+                       if(iter->chname == cname && !user->modes[UM_OPERATOR])
                        {
-                               /* matches CBAN */
+                               // Channel is banned.
+                               user->WriteServ( "384 %s %s :Cannot join channel, CBANed (%s)", user->nick, cname, iter->reason.c_str());
+                               ServerInstance->WriteOpers("*** %s tried to join %s which is CBANed (%s)", user->nick, cname, iter->reason.c_str());
                                return 1;
                        }
                }
-
-               /* Allow the change. */
                return 0;
        }
+       
+       virtual void OnSyncOtherMetaData(Module* proto, void* opaque)
+       {
+               for(cbanlist::iterator iter = cbans.begin(); iter != cbans.end(); iter++)
+               {
+                       proto->ProtoSendMetaData(opaque, TYPE_OTHER, NULL, "cban", EncodeCBan(*iter));
+               }
+       }
+       
+       virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
+       {
+               if((target_type == TYPE_OTHER) && (extname == "cban"))
+               {
+                       cbans.push_back(DecodeCBan(extdata));
+                       std::sort(cbans.begin(), cbans.end(), CBanComp);
+               }
+       }
 
        virtual ~ModuleCBan()
        {
@@ -119,10 +203,62 @@ class ModuleCBan : public Module
        
        virtual Version GetVersion()
        {
-               return Version(1,0,0,0,VF_VENDOR);
+               return Version(1,0,0,1,VF_VENDOR);
        }
 };
 
+std::string EncodeCBan(const CBan &ban)
+{
+       std::ostringstream stream;      
+       stream << ban.chname << " " << ban.set_by << " " << ban.set_on << " " << ban.length << " " << ban.reason;
+       return stream.str();    
+}
+
+CBan DecodeCBan(const std::string &data)
+{
+       CBan res;
+       std::istringstream stream(data);
+       stream >> res.chname;
+       stream >> res.set_by;
+       stream >> res.set_on;
+       stream >> res.length;
+       res.reason = stream.str();
+       
+       return res;
+}
+
+bool CBanComp(const CBan &ban1, const CBan &ban2)
+{
+       return ((ban1.set_on + ban1.length) < (ban2.set_on + ban2.length));
+}
+
+void ExpireBans()
+{
+       bool go_again = true;
+
+       while (go_again)
+       {
+               go_again = false;
+
+               for (cbanlist::iterator iter = cbans.begin(); iter != cbans.end(); iter++)
+               {
+                       /* 0 == permanent, don't mess with them! -- w00t */
+                       if (iter->length != 0)
+                       {
+                               if (iter->set_on + iter->length <= TIME)
+                               {
+                                       log(DEBUG, "m_cban.so: Ban on %s expired, removing...", iter->chname.c_str());
+                                       ServerInstance->WriteOpers("*** %li second CBAN on %s (%s) set %u seconds ago expired", iter->length, iter->chname.c_str(), iter->reason.c_str(), TIME - iter->set_on);
+                                       cbans.erase(iter);
+                                       go_again = true;
+                               }
+                       }
+
+                       if (go_again == true)
+                               break;
+               }
+       }
+}
 
 class ModuleCBanFactory : public ModuleFactory
 {
@@ -147,4 +283,3 @@ extern "C" void * init_module( void )
 {
        return new ModuleCBanFactory;
 }
-