]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_remove.cpp
WriteChannel* functions and ChanExceptSender* functions are now methods of chanrec...
[user/henk/code/inspircd.git] / src / modules / m_remove.cpp
index 5ec868554fc88fc9da4a1f45ed6c49deacf3b448..7452b2f336a84773758560a18c3f846116473fe0 100644 (file)
@@ -1,13 +1,12 @@
 /* Support for a dancer-style /remove command, an alternative to /kick to try and avoid auto-rejoin-on-kick scripts */
 /* Written by Om, 25-03-05 */
 
-using namespace std;
-
-#include <stdio.h>
+#include <sstream>
 #include <string>
 #include "users.h"
 #include "channels.h"
 #include "modules.h"
+#include "helperfuncs.h"
 
 /* $ModDesc: Provides a /remove command, this is mostly an alternative to /kick, except makes users appear to have parted the channel */
 
@@ -17,154 +16,264 @@ using namespace std;
  * eg: +h can remove +hv and users with no modes. +a can remove +aohv and users with no modes.
 */
 
-static Server *Srv;
-
-/* This little function just converts a chanmode character (~ & @ & +) into an integer (5 4 3 2 1) */
-/* XXX - this could be handy in the core, so it can be used elsewhere */
-int chartolevel(std::string &privs)
-{
-       const char* n = privs.c_str();
-
-       switch (*n)
-       {
-               case '~':
-                       return 5;
-               break;
-               case '&':
-                       return 4;
-               break;
-               case '@':
-                       return 3;
-               break;
-               case '%':
-                       return 2;
-               break;
-               default:
-                       return 1;
-               break;
-       }
-       return 1;
-}
-
-class cmd_remove : public command_t
+class RemoveBase
 {
- public:
-       cmd_remove () : command_t("REMOVE", 0, 2)
+ private: 
+       Server* Srv;
+       bool& supportnokicks;
+ protected:
+       RemoveBase(Server* Me, bool& snk)
+       : Srv(Me), supportnokicks(snk)
        {
-               this->source = "m_remove.so";
+       }               
+       enum ModeLevel { PEON = 0, HALFOP = 1, OP = 2, ADMIN = 3, OWNER = 4, ULINE = 5 };        
+       /* This little function just converts a chanmode character (U ~ & @ & +) into an integer (5 4 3 2 1 0) */
+       /* XXX - this could be handy in the core, so it can be used elsewhere */
+       ModeLevel chartolevel(const std::string &privs)
+       {
+               if(privs.empty())
+               {
+                       return PEON;
+               }
+       
+               switch (privs[0])
+               {
+                       case 'U':
+                               /* Ulined */
+                               return ULINE;
+                       case '~':
+                               /* Owner */
+                               return OWNER;
+                       case '&':
+                               /* Admin */
+                               return ADMIN;
+                       case '@':
+                               /* Operator */
+                               return OP;
+                       case '%':
+                               /* Halfop */
+                               return HALFOP;
+                       default:
+                               /* Peon */
+                               return PEON;
+               }
        }
-
-       void Handle (char **parameters, int pcnt, userrec *user)
+       
+       void Handle (const char** parameters, int pcnt, userrec *user, bool neworder)
        {
+               const char* channame;
+               const char* username;
+               userrec* target;
+               chanrec* channel;
+               ModeLevel tlevel;
+               ModeLevel ulevel;
+               std::ostringstream reason;
+               std::string protectkey;
+               std::string founderkey;
+               bool hasnokicks;
+               
+               /* Set these to the parameters needed, the new version of this module switches it's parameters around
+                * supplying a new command with the new order while keeping the old /remove with the older order.
+                * /remove <nick> <channel> [reason ...]
+                * /fpart <channel> <nick> [reason ...]
+                */
+               channame = parameters[ neworder ? 0 : 1];
+               username = parameters[ neworder ? 1 : 0];
+               
                /* Look up the user we're meant to be removing from the channel */
-               userrec* target = Srv->FindNick(std::string(parameters[0]));
+               target = Srv->FindNick(username);
+               
                /* And the channel we're meant to be removing them from */
-               chanrec* channel = Srv->FindChannel(std::string(parameters[1]));
+               channel = Srv->FindChannel(channame);
 
                /* Fix by brain - someone needs to learn to validate their input! */
                if (!target || !channel)
                {
-                       WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, !target ? parameters[0] : parameters[1]);
+                       WriteServ(user->fd,"401 %s %s :No such nick/channel", user->nick, !target ? username : channame);
                        return;
                }
 
-               /* And see if the person calling the command has access to use it on the channel */
-               std::string privs = Srv->ChanMode(user, channel);
-               /* Check what privs the person being removed has */
-               std::string targetprivs = Srv->ChanMode(target, channel);
-
-               int tlevel;
-               int ulevel;
-               int n = 2;
-               std::string result;
+               if (!channel->HasUser(target))
+               {
+                       WriteServ(user->fd, "NOTICE %s :*** The user %s is not on channel %s", user->nick, target->nick, channel->name);
+                       return;
+               }       
+               
+               /* This is adding support for the +q and +a channel modes, basically if they are enabled, and the remover has them set.
+                * Then we change the @|%|+ to & if they are +a, or ~ if they are +q */
+               protectkey = "cm_protect_" + std::string(channel->name);
+               founderkey = "cm_founder_" + std::string(channel->name);
                
-               /* This turns all the parameters after the first two into a single string, so the part reason can be multi-word */
-               while (n < pcnt)
+               if (Srv->IsUlined(user->server) || Srv->IsUlined(user->nick))
+               {
+                       log(DEBUG, "Setting ulevel to U");
+                       ulevel = chartolevel("U");
+               }
+               if (user->GetExt(founderkey))
+               {
+                       log(DEBUG, "Setting ulevel to ~");
+                       ulevel = chartolevel("~");
+               }
+               else if (user->GetExt(protectkey))
+               {
+                       log(DEBUG, "Setting ulevel to &");
+                       ulevel = chartolevel("&");
+               }
+               else
+               {
+                       log(DEBUG, "Setting ulevel to %s", Srv->ChanMode(user, channel).c_str());
+                       ulevel = chartolevel(Srv->ChanMode(user, channel));
+               }
+                       
+               /* Now it's the same idea, except for the target. If they're ulined make sure they get a higher level than the sender can */
+               if (Srv->IsUlined(target->server) || Srv->IsUlined(target->nick))
+               {
+                       log(DEBUG, "Setting tlevel to U");
+                       tlevel = chartolevel("U");
+               }
+               else if (target->GetExt(founderkey))
+               {
+                       log(DEBUG, "Setting tlevel to ~");
+                       tlevel = chartolevel("~");
+               }
+               else if (target->GetExt(protectkey))
                {
-                       result=result + std::string(" ") + std::string(parameters[n]);
-                       n++;
+                       log(DEBUG, "Setting tlevel to &");
+                       tlevel = chartolevel("&");
                }
+               else
+               {
+                       log(DEBUG, "Setting tlevel to %s", Srv->ChanMode(target, channel).c_str());
+                       tlevel = chartolevel(Srv->ChanMode(target, channel));
+               }
+               
+               hasnokicks = (Srv->FindModule("m_nokicks.so") && channel->IsModeSet('Q'));
                
-               /* If the target nick exists... */
-               if (target && channel)
+               /* We support the +Q channel mode via. the m_nokicks module, if the module is loaded and the mode is set then disallow the /remove */
+               if(!supportnokicks || !hasnokicks || (ulevel == ULINE))
                {
-                       for (unsigned int x = 0; x < strlen(parameters[1]); x++)
+                       /* We'll let everyone remove their level and below, eg:
+                        * ops can remove ops, halfops, voices, and those with no mode (no moders actually are set to 1)
+                        * a ulined target will get a higher level than it's possible for a /remover to get..so they're safe.
+                        * Nobody may remove a founder.
+                        */
+                       if ((ulevel > PEON) && (ulevel >= tlevel) && (tlevel != OWNER))
                        {
-                                       if ((parameters[1][0] != '#') || (parameters[1][x] == ' ') || (parameters[1][x] == ','))
-                                       {
-                                               Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+" :*** Invalid characters in channel name");
-                                               return;
-                                       }
-                       }
-                       
-                       /* This is adding support for the +q and +a channel modes, basically if they are enabled, and the remover has them set. */
-                       /* Then we change the @|%|+ to & if they are +a, or ~ if they are +q */
-                       if (user->GetExt("cm_protect_"+std::string(channel->name)))
-                               privs = std::string("&");
-                       if (user->GetExt("cm_founder_"+std::string(channel->name)))
-                               privs = std::string("~");
-                               
-                       /* Now it's the same idea, except for the target */
-                       if (target->GetExt("cm_protect_"+std::string(channel->name)))
-                               targetprivs = std::string("&");
-                       if (target->GetExt("cm_founder_"+std::string(channel->name)))
-                               targetprivs = std::string("~");
+                               std::string reasonparam;
                                
-                       tlevel = chartolevel(targetprivs);
-                       ulevel = chartolevel(privs);
-                       
-                       /* If the user calling the command is either an admin, owner, operator or a half-operator on the channel */
-                       if(ulevel > 1)
-                       {
-                               /* For now, we'll let everyone remove their level and below, eg ops can remove ops, halfops, voices, and those with no mode (no moders actually are set to 1) */
-                               if(ulevel >= tlevel)
+                               /* If a reason is given, use it */
+                               if(pcnt > 2)
                                {
-                                       Srv->PartUserFromChannel(target,std::string(parameters[1]), "Removed by "+std::string(user->nick)+":"+result);
-                                       Srv->SendTo(NULL,user,"NOTICE "+std::string(channel->name)+" : "+std::string(user->nick)+" removed "+std::string(target->nick)+ " from the channel");
-                                       Srv->SendTo(NULL,target,"NOTICE "+std::string(target->nick)+" :*** "+std::string(user->nick)+" removed you from "+std::string(channel->name)+" with the message:"+std::string(result));
-                               }
-                               else
-                               {
-                                       Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+" :*** You do not have access to remove "+std::string(target->nick)+" from the "+std::string(channel->name));
+                                        reason <<  ":";
+                                       
+                                       /* Use all the remaining parameters as the reason */
+                                       for(int i = 2; i < pcnt; i++)
+                                       {
+                                               reason << " " << parameters[i];
+                                       }
+                                       
+                                       reasonparam = reason.str();
+                                       reason.clear();
                                }
+
+                               /* Build up the part reason string. */
+                               reason << "Removed by " << user->nick << reasonparam;
+
+                               channel->WriteChannelWithServ(Srv->GetServerName().c_str(), "NOTICE %s :%s removed %s from the channel", channel->name, user->nick, target->nick);
+                               WriteServ(target->fd, "NOTICE %s :*** %s removed you from %s with the message: %s", target->nick, user->nick, channel->name, reasonparam.c_str());
+
+                               if (!channel->PartUser(target, reason.str().c_str()))
+                                       delete channel;
                        }
                        else
                        {
-                               Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+" :*** You do not have access to use /remove on "+std::string(channel->name));
+                               WriteServ(user->fd, "NOTICE %s :*** You do not have access to /remove %s from %s", user->nick, target->nick, channel->name);
                        }
                }
+               else
+               {
+                       /* m_nokicks.so was loaded and +Q was set, block! */
+                       WriteServ(user->fd, "484 %s %s :Can't remove user %s from channel (+Q set)", user->nick, channel->name, target->nick);
+               }
        }
 };
 
+class cmd_remove : public command_t, public RemoveBase
+{
+ public:
+       cmd_remove(Server* Srv, bool& snk) : command_t("REMOVE", 0, 2), RemoveBase(Srv, snk)
+       {
+               this->source = "m_remove.so";
+               syntax = "<nick> <channel> [<reason>]";
+       }
+       
+       void Handle (const char** parameters, int pcnt, userrec *user)
+       {
+               RemoveBase::Handle(parameters, pcnt, user, false);
+       }
+};
+
+class cmd_fpart : public command_t, public RemoveBase
+{
+ public:
+       cmd_fpart(Server* Srv, bool snk) : command_t("FPART", 0, 2), RemoveBase(Srv, snk)
+       {
+               this->source = "m_remove.so";
+               syntax = "<channel> <nick> [<reason>]";
+       }
+
+       void Handle (const char** parameters, int pcnt, userrec *user)
+       {
+               RemoveBase::Handle(parameters, pcnt, user, true);
+       }       
+};
+
 class ModuleRemove : public Module
 {
        cmd_remove* mycommand;
+       cmd_fpart* mycommand2;
+       bool supportnokicks;
+       
  public:
        ModuleRemove(Server* Me)
-               : Module::Module(Me)
+       : Module::Module(Me)
        {
-               Srv = Me;
-               mycommand = new cmd_remove();
-               Srv->AddCommand(mycommand);
+               mycommand = new cmd_remove(Me, supportnokicks);
+               mycommand2 = new cmd_fpart(Me, supportnokicks);
+               Me->AddCommand(mycommand);
+               Me->AddCommand(mycommand2);
+               OnRehash("");
        }
 
        void Implements(char* List)
        {
-               List[I_On005Numeric] = 1;
+               List[I_On005Numeric] = List[I_OnRehash] = 1;
        }
 
-        virtual void On005Numeric(std::string &output)
-        {
-                output = output + std::string(" REMOVE");
-        }
+       virtual void On005Numeric(std::string &output)
+       {
+               output.append(" REMOVE");
+       }
+       
+       virtual void OnRehash(const std::string&)
+       {
+               ConfigReader conf;
+               
+               supportnokicks = conf.ReadFlag("remove", "supportnokicks", 0);
+       }
        
        virtual ~ModuleRemove()
        {
+               delete mycommand;
+               delete mycommand2;
        }
        
        virtual Version GetVersion()
        {
-               return Version(1,0,0,1,VF_VENDOR);
+               return Version(1,0,1,0,VF_VENDOR);
        }
        
 };
@@ -194,4 +303,3 @@ extern "C" void * init_module( void )
 {
        return new ModuleRemoveFactory;
 }
-