]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/xline.cpp
Merge pull request #1157 from SaberUK/insp20+fix-cron-restart
[user/henk/code/inspircd.git] / src / xline.cpp
index 268804f9dce804981a14f4f9e700e6746ffef23b..66d24f439a6b12b600033a17bf40ef3b72ba6efd 100644 (file)
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2005-2009 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2004-2008 Craig Edwards <craigedwards@brainbox.cc>
+ *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2007 John Brooks <john.brooks@dereferenced.net>
  *
- *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * This file is part of InspIRCd.  InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
  *
- * This program is free but copyrighted software; see
- *         the file COPYING for details.
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
  *
- * ---------------------------------------------------
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-/* $Core: libIRCDxline */
 
 #include "inspircd.h"
-#include "wildcard.h"
 #include "xline.h"
 #include "bancache.h"
 
+/** An XLineFactory specialized to generate GLine* pointers
+ */
+class GLineFactory : public XLineFactory
+{
+ public:
+       GLineFactory() : XLineFactory("G") { }
+
+       /** Generate a GLine
+        */
+       XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask)
+       {
+               IdentHostPair ih = ServerInstance->XLines->IdentSplit(xline_specific_mask);
+               return new GLine(set_time, duration, source, reason, ih.first, ih.second);
+       }
+};
+
+/** An XLineFactory specialized to generate ELine* pointers
+ */
+class ELineFactory : public XLineFactory
+{
+ public:
+       ELineFactory() : XLineFactory("E") { }
+
+       /** Generate an ELine
+        */
+       XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask)
+       {
+               IdentHostPair ih = ServerInstance->XLines->IdentSplit(xline_specific_mask);
+               return new ELine(set_time, duration, source, reason, ih.first, ih.second);
+       }
+};
+
+/** An XLineFactory specialized to generate KLine* pointers
+ */
+class KLineFactory : public XLineFactory
+{
+ public:
+        KLineFactory() : XLineFactory("K") { }
+
+       /** Generate a KLine
+        */
+        XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask)
+        {
+                IdentHostPair ih = ServerInstance->XLines->IdentSplit(xline_specific_mask);
+                return new KLine(set_time, duration, source, reason, ih.first, ih.second);
+        }
+};
+
+/** An XLineFactory specialized to generate QLine* pointers
+ */
+class QLineFactory : public XLineFactory
+{
+ public:
+        QLineFactory() : XLineFactory("Q") { }
+
+       /** Generate a QLine
+        */
+        XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask)
+        {
+                return new QLine(set_time, duration, source, reason, xline_specific_mask);
+        }
+};
+
+/** An XLineFactory specialized to generate ZLine* pointers
+ */
+class ZLineFactory : public XLineFactory
+{
+ public:
+        ZLineFactory() : XLineFactory("Z") { }
+
+       /** Generate a ZLine
+        */
+        XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask)
+        {
+                return new ZLine(set_time, duration, source, reason, xline_specific_mask);
+        }
+};
+
+
 /*
- * This is now version 3 of the XLine subsystem, let's see if we can get it as nice and 
+ * This is now version 3 of the XLine subsystem, let's see if we can get it as nice and
  * efficient as we can this time so we can close this file and never ever touch it again ..
  *
  * Background:
@@ -70,7 +156,7 @@ void XLineManager::CheckELines()
        if (ELines.empty())
                return;
 
-       for (std::vector<User*>::const_iterator u2 = ServerInstance->Users->local_users.begin(); u2 != ServerInstance->Users->local_users.end(); u2++)
+       for (LocalUserList::const_iterator u2 = ServerInstance->Users->local_users.begin(); u2 != ServerInstance->Users->local_users.end(); u2++)
        {
                User* u = (User*)(*u2);
 
@@ -116,6 +202,22 @@ XLineLookup* XLineManager::GetAll(const std::string &type)
        return &(n->second);
 }
 
+void XLineManager::DelAll(const std::string &type)
+{
+       ContainerIter n = lookup_lines.find(type);
+
+       if (n == lookup_lines.end())
+               return;
+
+       LookupIter x;
+
+       /* Delete all of a given type (this should probably use DelLine, but oh well) */
+       while ((x = n->second.begin()) != n->second.end())
+       {
+               ExpireLine(n, x);
+       }
+}
+
 std::vector<std::string> XLineManager::GetAllTypes()
 {
        std::vector<std::string> items;
@@ -139,6 +241,7 @@ IdentHostPair XLineManager::IdentSplit(const std::string &ident_and_host)
        }
        else
        {
+               n.first.clear();
                n.second = ident_and_host;
        }
 
@@ -149,19 +252,39 @@ IdentHostPair XLineManager::IdentSplit(const std::string &ident_and_host)
 
 bool XLineManager::AddLine(XLine* line, User* user)
 {
-       /*IdentHostPair ih = IdentSplit(hostmask);*/
+       if (line->duration && ServerInstance->Time() > line->expiry)
+               return false; // Don't apply expired XLines.
 
-       ServerInstance->BanCache->RemoveEntries(line->type, false); // XXX perhaps remove ELines here?
+       /* Don't apply duplicate xlines */
+       ContainerIter x = lookup_lines.find(line->type);
+       if (x != lookup_lines.end())
+       {
+               LookupIter i = x->second.find(line->Displayable());
+               if (i != x->second.end())
+               {
+                       // XLine propagation bug was here, if the line to be added already exists and
+                       // it's expired then expire it and add the new one instead of returning false
+                       if ((!i->second->duration) || (ServerInstance->Time() < i->second->expiry))
+                               return false;
 
-       if (DelLine(line->Displayable(), line->type, user, true))
+                       ExpireLine(x, i);
+               }
+       }
+
+       /*ELine* item = new ELine(ServerInstance->Time(), duration, source, reason, ih.first.c_str(), ih.second.c_str());*/
+       XLineFactory* xlf = GetFactory(line->type);
+       if (!xlf)
                return false;
 
-       /*ELine* item = new ELine(ServerInstance, ServerInstance->Time(), duration, source, reason, ih.first.c_str(), ih.second.c_str());*/
-       pending_lines.push_back(line);
+       ServerInstance->BanCache->RemoveEntries(line->type, false); // XXX perhaps remove ELines here?
+
+       if (xlf->AutoApplyToUserList(line))
+               pending_lines.push_back(line);
+
        lookup_lines[line->type][line->Displayable()] = line;
        line->OnAdd();
 
-       FOREACH_MOD(I_OnAddLine,OnAddLine(user, line)); 
+       FOREACH_MOD(I_OnAddLine,OnAddLine(user, line));
 
        return true;
 }
@@ -203,7 +326,7 @@ bool XLineManager::DelLine(const char* hostmask, const std::string &type, User*
 void ELine::Unset()
 {
        /* remove exempt from everyone and force recheck after deleting eline */
-       for (std::vector<User*>::const_iterator u2 = ServerInstance->Users->local_users.begin(); u2 != ServerInstance->Users->local_users.end(); u2++)
+       for (LocalUserList::const_iterator u2 = ServerInstance->Users->local_users.begin(); u2 != ServerInstance->Users->local_users.end(); u2++)
        {
                User* u = (User*)(*u2);
                u->exempt = false;
@@ -230,20 +353,17 @@ XLine* XLineManager::MatchesLine(const std::string &type, User* user)
                safei = i;
                safei++;
 
+               if (i->second->duration && current > i->second->expiry)
+               {
+                       /* Expire the line, proceed to next one */
+                       ExpireLine(x, i);
+                       i = safei;
+                       continue;
+               }
+
                if (i->second->Matches(user))
                {
-                       if (i->second->duration && current > i->second->expiry)
-                       {
-                               /* Expire the line, return nothing */
-                               ExpireLine(x, i);
-                               /* Continue, there may be another that matches
-                                * (thanks aquanight)
-                                */
-                               i = safei;
-                               continue;
-                       }
-                       else
-                               return i->second;
+                       return i->second;
                }
 
                i = safei;
@@ -310,9 +430,14 @@ void XLineManager::ExpireLine(ContainerIter container, LookupIter item)
 // applies lines, removing clients and changing nicks etc as applicable
 void XLineManager::ApplyLines()
 {
-       for (std::vector<User*>::const_iterator u2 = ServerInstance->Users->local_users.begin(); u2 != ServerInstance->Users->local_users.end(); u2++)
+       LocalUserList::reverse_iterator u2 = ServerInstance->Users->local_users.rbegin();
+       while (u2 != ServerInstance->Users->local_users.rend())
        {
-               User* u = (User*)(*u2);
+               User* u = *u2++;
+
+               // Don't ban people who are exempt.
+               if (u->exempt)
+                       continue;
 
                for (std::vector<XLine *>::iterator i = pending_lines.begin(); i != pending_lines.end(); i++)
                {
@@ -327,8 +452,6 @@ void XLineManager::ApplyLines()
 
 void XLineManager::InvokeStats(const std::string &type, int numeric, User* user, string_list &results)
 {
-       std::string sn = ServerInstance->Config->ServerName;
-
        ContainerIter n = lookup_lines.find(type);
 
        time_t current = ServerInstance->Time();
@@ -348,21 +471,28 @@ void XLineManager::InvokeStats(const std::string &type, int numeric, User* user,
                                ExpireLine(n, i);
                        }
                        else
-                               results.push_back(sn+" "+ConvToStr(numeric)+" "+user->nick+" :"+i->second->Displayable()+" "+
-                                       ConvToStr(i->second->set_time)+" "+ConvToStr(i->second->duration)+" "+std::string(i->second->source)+" :"+(i->second->reason));
+                               results.push_back(ServerInstance->Config->ServerName+" "+ConvToStr(numeric)+" "+user->nick+" :"+i->second->Displayable()+" "+
+                                       ConvToStr(i->second->set_time)+" "+ConvToStr(i->second->duration)+" "+i->second->source+" :"+i->second->reason);
                        i = safei;
                }
        }
 }
 
 
-XLineManager::XLineManager(InspIRCd* Instance) : ServerInstance(Instance)
+XLineManager::XLineManager()
 {
-       GFact = new GLineFactory(Instance);
-       EFact = new ELineFactory(Instance);
-       KFact = new KLineFactory(Instance);
-       QFact = new QLineFactory(Instance);
-       ZFact = new ZLineFactory(Instance);
+       GLineFactory* GFact;
+       ELineFactory* EFact;
+       KLineFactory* KFact;
+       QLineFactory* QFact;
+       ZLineFactory* ZFact;
+
+
+       GFact = new GLineFactory;
+       EFact = new ELineFactory;
+       KFact = new KLineFactory;
+       QFact = new QLineFactory;
+       ZFact = new ZLineFactory;
 
        RegisterFactory(GFact);
        RegisterFactory(EFact);
@@ -373,39 +503,52 @@ XLineManager::XLineManager(InspIRCd* Instance) : ServerInstance(Instance)
 
 XLineManager::~XLineManager()
 {
-       UnregisterFactory(GFact);
-       UnregisterFactory(EFact);
-       UnregisterFactory(KFact);
-       UnregisterFactory(QFact);
-       UnregisterFactory(ZFact);
+       const char gekqz[] = "GEKQZ";
+       for(unsigned int i=0; i < sizeof(gekqz); i++)
+       {
+               XLineFactory* xlf = GetFactory(std::string(1, gekqz[i]));
+               delete xlf;
+       }
 
-       delete GFact;
-       delete EFact;
-       delete KFact;
-       delete QFact;
-       delete ZFact;
+       // Delete all existing XLines
+       for (XLineContainer::iterator i = lookup_lines.begin(); i != lookup_lines.end(); i++)
+       {
+               for (XLineLookup::iterator j = i->second.begin(); j != i->second.end(); j++)
+               {
+                       delete j->second;
+               }
+       }
 }
 
 void XLine::Apply(User* u)
 {
 }
 
+bool XLine::IsBurstable()
+{
+       return true;
+}
+
 void XLine::DefaultApply(User* u, const std::string &line, bool bancache)
 {
-       char reason[MAXBUF];
-       snprintf(reason, MAXBUF, "%s-Lined: %s", line.c_str(), this->reason);
-       if (*ServerInstance->Config->MoronBanner)
-               u->WriteServ("NOTICE %s :*** %s", u->nick, ServerInstance->Config->MoronBanner);
+       char sreason[MAXBUF];
+       snprintf(sreason, MAXBUF, "%s-Lined: %s", line.c_str(), this->reason.c_str());
+       if (!ServerInstance->Config->MoronBanner.empty())
+               u->WriteServ("NOTICE %s :*** %s", u->nick.c_str(), ServerInstance->Config->MoronBanner.c_str());
+
        if (ServerInstance->Config->HideBans)
-               User::QuitUser(ServerInstance, u, line + "-Lined", reason);
+               ServerInstance->Users->QuitUser(u, line + "-Lined", sreason);
        else
-               User::QuitUser(ServerInstance, u, reason);
+               ServerInstance->Users->QuitUser(u, sreason);
 
 
        if (bancache)
        {
-               ServerInstance->Log(DEBUG, std::string("BanCache: Adding positive hit (") + line + ") for " + u->GetIPString());
-               ServerInstance->BanCache->AddHit(u->GetIPString(), this->type, line + "-Lined: " + this->reason);
+               ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCache: Adding positive hit (" + line + ") for " + u->GetIPString());
+               if (this->duration > 0)
+                       ServerInstance->BanCache->AddHit(u->GetIPString(), this->type, line + "-Lined: " + this->reason, this->duration);
+               else
+                       ServerInstance->BanCache->AddHit(u->GetIPString(), this->type, line + "-Lined: " + this->reason);
        }
 }
 
@@ -414,9 +557,10 @@ bool KLine::Matches(User *u)
        if (u->exempt)
                return false;
 
-       if ((match(u->ident, this->identmask)))
+       if (InspIRCd::Match(u->ident, this->identmask, ascii_case_insensitive_map))
        {
-               if ((match(u->host, this->hostmask, true)) || (match(u->GetIPString(), this->hostmask, true)))
+               if (InspIRCd::MatchCIDR(u->host, this->hostmask, ascii_case_insensitive_map) ||
+                   InspIRCd::MatchCIDR(u->GetIPString(), this->hostmask, ascii_case_insensitive_map))
                {
                        return true;
                }
@@ -427,7 +571,7 @@ bool KLine::Matches(User *u)
 
 void KLine::Apply(User* u)
 {
-       DefaultApply(u, "K", (strcmp(this->identmask, "*") == 0) ? true : false);
+       DefaultApply(u, "K", (this->identmask ==  "*") ? true : false);
 }
 
 bool GLine::Matches(User *u)
@@ -435,9 +579,10 @@ bool GLine::Matches(User *u)
        if (u->exempt)
                return false;
 
-       if ((match(u->ident, this->identmask)))
+       if (InspIRCd::Match(u->ident, this->identmask, ascii_case_insensitive_map))
        {
-               if ((match(u->host, this->hostmask, true)) || (match(u->GetIPString(), this->hostmask, true)))
+               if (InspIRCd::MatchCIDR(u->host, this->hostmask, ascii_case_insensitive_map) ||
+                   InspIRCd::MatchCIDR(u->GetIPString(), this->hostmask, ascii_case_insensitive_map))
                {
                        return true;
                }
@@ -447,8 +592,8 @@ bool GLine::Matches(User *u)
 }
 
 void GLine::Apply(User* u)
-{       
-       DefaultApply(u, "G", (strcmp(this->identmask, "*") == 0) ? true : false);
+{
+       DefaultApply(u, "G", (this->identmask == "*") ? true : false);
 }
 
 bool ELine::Matches(User *u)
@@ -456,9 +601,10 @@ bool ELine::Matches(User *u)
        if (u->exempt)
                return false;
 
-       if ((match(u->ident, this->identmask)))
+       if (InspIRCd::Match(u->ident, this->identmask, ascii_case_insensitive_map))
        {
-               if ((match(u->host, this->hostmask, true)) || (match(u->GetIPString(), this->hostmask, true)))
+               if (InspIRCd::MatchCIDR(u->host, this->hostmask, ascii_case_insensitive_map) ||
+                   InspIRCd::MatchCIDR(u->GetIPString(), this->hostmask, ascii_case_insensitive_map))
                {
                        return true;
                }
@@ -472,39 +618,36 @@ bool ZLine::Matches(User *u)
        if (u->exempt)
                return false;
 
-       if (match(u->GetIPString(), this->ipaddr, true))
+       if (InspIRCd::MatchCIDR(u->GetIPString(), this->ipaddr))
                return true;
        else
                return false;
 }
 
 void ZLine::Apply(User* u)
-{       
+{
        DefaultApply(u, "Z", true);
 }
 
 
 bool QLine::Matches(User *u)
 {
-       if (u->exempt)
-               return false;
-
-       if (match(u->nick, this->nick))
+       if (InspIRCd::Match(u->nick, this->nick))
                return true;
 
        return false;
 }
 
 void QLine::Apply(User* u)
-{       
+{
        /* Force to uuid on apply of qline, no need to disconnect any more :) */
-       u->ForceNickChange(u->uuid);
+       u->ForceNickChange(u->uuid.c_str());
 }
 
 
 bool ZLine::Matches(const std::string &str)
 {
-       if (match(str.c_str(), this->ipaddr, true))
+       if (InspIRCd::MatchCIDR(str, this->ipaddr))
                return true;
        else
                return false;
@@ -512,7 +655,7 @@ bool ZLine::Matches(const std::string &str)
 
 bool QLine::Matches(const std::string &str)
 {
-       if (match(str.c_str(), this->nick))
+       if (InspIRCd::Match(str, this->nick))
                return true;
 
        return false;
@@ -520,23 +663,23 @@ bool QLine::Matches(const std::string &str)
 
 bool ELine::Matches(const std::string &str)
 {
-       return ((match(str.c_str(), matchtext.c_str(), true)));
+       return (InspIRCd::MatchCIDR(str, matchtext));
 }
 
 bool KLine::Matches(const std::string &str)
 {
-       return ((match(str.c_str(), matchtext.c_str(), true)));
+       return (InspIRCd::MatchCIDR(str.c_str(), matchtext));
 }
 
 bool GLine::Matches(const std::string &str)
 {
-       return ((match(str.c_str(), matchtext.c_str(), true)));
+       return (InspIRCd::MatchCIDR(str, matchtext));
 }
 
 void ELine::OnAdd()
 {
        /* When adding one eline, only check the one eline */
-       for (std::vector<User*>::const_iterator u2 = ServerInstance->Users->local_users.begin(); u2 != ServerInstance->Users->local_users.end(); u2++)
+       for (LocalUserList::const_iterator u2 = ServerInstance->Users->local_users.begin(); u2 != ServerInstance->Users->local_users.end(); u2++)
        {
                User* u = (User*)(*u2);
                if (this->Matches(u))
@@ -546,27 +689,32 @@ void ELine::OnAdd()
 
 void ELine::DisplayExpiry()
 {
-       ServerInstance->SNO->WriteToSnoMask('x',"Expiring timed E-Line %s@%s (set by %s %d seconds ago)",this->identmask,this->hostmask,this->source,this->duration);
+       ServerInstance->SNO->WriteToSnoMask('x',"Removing expired E-Line %s@%s (set by %s %ld seconds ago)",
+               identmask.c_str(),hostmask.c_str(),source.c_str(),(long)(ServerInstance->Time() - this->set_time));
 }
 
 void QLine::DisplayExpiry()
 {
-       ServerInstance->SNO->WriteToSnoMask('x',"Expiring timed Q-Line %s (set by %s %d seconds ago)",this->nick,this->source,this->duration);
+       ServerInstance->SNO->WriteToSnoMask('x',"Removing expired Q-Line %s (set by %s %ld seconds ago)",
+               nick.c_str(),source.c_str(),(long)(ServerInstance->Time() - this->set_time));
 }
 
 void ZLine::DisplayExpiry()
 {
-       ServerInstance->SNO->WriteToSnoMask('x',"Expiring timed Z-Line %s (set by %s %d seconds ago)",this->ipaddr,this->source,this->duration);
+       ServerInstance->SNO->WriteToSnoMask('x',"Removing expired Z-Line %s (set by %s %ld seconds ago)",
+               ipaddr.c_str(),source.c_str(),(long)(ServerInstance->Time() - this->set_time));
 }
 
 void KLine::DisplayExpiry()
 {
-       ServerInstance->SNO->WriteToSnoMask('x',"Expiring timed K-Line %s@%s (set by %s %d seconds ago)",this->identmask,this->hostmask,this->source,this->duration);
+       ServerInstance->SNO->WriteToSnoMask('x',"Removing expired K-Line %s@%s (set by %s %ld seconds ago)",
+               identmask.c_str(),hostmask.c_str(),source.c_str(),(long)(ServerInstance->Time() - this->set_time));
 }
 
 void GLine::DisplayExpiry()
 {
-       ServerInstance->SNO->WriteToSnoMask('x',"Expiring timed G-Line %s@%s (set by %s %d seconds ago)",this->identmask,this->hostmask,this->source,this->duration);
+       ServerInstance->SNO->WriteToSnoMask('x',"Removing expired G-Line %s@%s (set by %s %ld seconds ago)",
+               identmask.c_str(),hostmask.c_str(),source.c_str(),(long)(ServerInstance->Time() - this->set_time));
 }
 
 const char* ELine::Displayable()
@@ -586,12 +734,17 @@ const char* GLine::Displayable()
 
 const char* ZLine::Displayable()
 {
-       return ipaddr;
+       return ipaddr.c_str();
 }
 
 const char* QLine::Displayable()
 {
-       return nick;
+       return nick.c_str();
+}
+
+bool KLine::IsBurstable()
+{
+       return false;
 }
 
 bool XLineManager::RegisterFactory(XLineFactory* xlf)
@@ -627,4 +780,3 @@ XLineFactory* XLineManager::GetFactory(const std::string &type)
 
        return n->second;
 }
-