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[user/henk/code/inspircd.git] / src / users.cpp
index 1affa67dbc06bd3f826ea0785b28f10d02c1d60e..e384bc748444f11b368fb5b222e676ea3c73af94 100644 (file)
@@ -18,6 +18,7 @@
 #include "socketengine.h"
 #include "wildcard.h"
 #include "xline.h"
+#include "bancache.h"
 #include "commands/cmd_whowas.h"
 
 static unsigned long already_sent[MAX_DESCRIPTORS] = {0};
@@ -189,6 +190,7 @@ User::User(InspIRCd* Instance, const std::string &uid) : ServerInstance(Instance
        Visibility = NULL;
        ip = NULL;
        MyClass = NULL;
+       AllowedOperCommands = NULL;
        chans.clear();
        invites.clear();
        memset(modes,0,sizeof(modes));
@@ -241,6 +243,11 @@ User::~User()
                this->MyClass->RefCount--;
                ServerInstance->Log(DEBUG, "User destructor -- connect refcount now: %u", this->MyClass->RefCount);
        }
+       if (this->AllowedOperCommands)
+       {
+               delete AllowedOperCommands;
+               AllowedOperCommands = NULL;
+       }
 
        this->InvalidateCache();
        this->DecrementModes();
@@ -418,10 +425,6 @@ void User::RemoveInvite(const irc::string &channel)
 
 bool User::HasPermission(const std::string &command)
 {
-       char* mycmd;
-       char* savept;
-       char* savept2;
-
        /*
         * users on remote servers can completely bypass all permissions based checks.
         * This prevents desyncs when one server has different type/class tags to another.
@@ -438,38 +441,13 @@ bool User::HasPermission(const std::string &command)
                return false;
        }
 
-       // check their opertype exists (!). This won't affect local users, of course.
-       opertype_t::iterator iter_opertype = ServerInstance->Config->opertypes.find(this->oper);
-       if (iter_opertype == ServerInstance->Config->opertypes.end())
-       {
+       if (!AllowedOperCommands)
                return false;
-       }
 
-       /* XXX all this strtok/strdup stuff is a bit ick and horrid -- w00t */
-       char* Classes = strdup(iter_opertype->second);
-       char* myclass = strtok_r(Classes," ",&savept);
-       while (myclass)
-       {
-               operclass_t::iterator iter_operclass = ServerInstance->Config->operclass.find(myclass);
-               if (iter_operclass != ServerInstance->Config->operclass.end())
-               {
-                       char* CommandList = strdup(iter_operclass->second);
-                       mycmd = strtok_r(CommandList," ",&savept2);
-                       while (mycmd)
-                       {
-                               if ((!strcasecmp(mycmd,command.c_str())) || (*mycmd == '*'))
-                               {
-                                       free(Classes);
-                                       free(CommandList);
-                                       return true;
-                               }
-                               mycmd = strtok_r(NULL," ",&savept2);
-                       }
-                       free(CommandList);
-               }
-               myclass = strtok_r(NULL," ",&savept);
-       }
-       free(Classes);
+       if (AllowedOperCommands->find(command) != AllowedOperCommands->end())
+               return true;
+       else if (AllowedOperCommands->find("*") != AllowedOperCommands->end())
+               return true;
 
        return false;
 }
@@ -495,7 +473,7 @@ bool User::AddBuffer(std::string a)
                if (a.length())
                        recvq.append(a);
 
-               if (recvq.length() > (unsigned)this->MyClass->GetRecvqMax())
+               if (this->MyClass && (recvq.length() > this->MyClass->GetRecvqMax()))
                {
                        this->SetWriteError("RecvQ exceeded");
                        ServerInstance->WriteOpers("*** User %s RecvQ of %d exceeds connect class maximum of %d",this->nick,recvq.length(),this->MyClass->GetRecvqMax());
@@ -567,7 +545,7 @@ void User::AddWriteBuf(const std::string &data)
        if (*this->GetWriteError())
                return;
 
-       if (sendq.length() + data.length() > (unsigned)this->MyClass->GetSendqMax())
+       if (this->MyClass && (sendq.length() + data.length() > this->MyClass->GetSendqMax()))
        {
                /*
                 * Fix by brain - Set the error text BEFORE calling writeopers, because
@@ -671,6 +649,10 @@ const char* User::GetWriteError()
 
 void User::Oper(const std::string &opertype)
 {
+       char* mycmd;
+       char* savept;
+       char* savept2;
+
        try
        {
                this->modes[UM_OPERATOR] = 1;
@@ -679,6 +661,37 @@ void User::Oper(const std::string &opertype)
                ServerInstance->Log(DEFAULT,"OPER: %s!%s@%s opered as type: %s", this->nick, this->ident, this->host, opertype.c_str());
                strlcpy(this->oper, opertype.c_str(), NICKMAX - 1);
                ServerInstance->all_opers.push_back(this);
+
+               opertype_t::iterator iter_opertype = ServerInstance->Config->opertypes.find(this->oper);
+               if (iter_opertype != ServerInstance->Config->opertypes.end())
+               {
+
+                       if (AllowedOperCommands)
+                               AllowedOperCommands->clear();
+                       else
+                               AllowedOperCommands = new std::map<std::string, bool>;
+
+                       char* Classes = strdup(iter_opertype->second);
+                       char* myclass = strtok_r(Classes," ",&savept);
+                       while (myclass)
+                       {
+                               operclass_t::iterator iter_operclass = ServerInstance->Config->operclass.find(myclass);
+                               if (iter_operclass != ServerInstance->Config->operclass.end())
+                               {
+                                       char* CommandList = strdup(iter_operclass->second);
+                                       mycmd = strtok_r(CommandList," ",&savept2);
+                                       while (mycmd)
+                                       {
+                                               this->AllowedOperCommands->insert(std::make_pair(mycmd, true));
+                                               mycmd = strtok_r(NULL," ",&savept2);
+                                       }
+                                       free(CommandList);
+                               }
+                               myclass = strtok_r(NULL," ",&savept);
+                       }
+                       free(Classes);
+               }
+
                FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype));
        }
 
@@ -700,6 +713,12 @@ void User::UnOper()
                        
                        // remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404
                        ServerInstance->all_opers.remove(this);
+
+                       if (AllowedOperCommands)
+                       {
+                               delete AllowedOperCommands;
+                               AllowedOperCommands = NULL;
+                       }
                }
        }
 
@@ -829,20 +848,41 @@ void User::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, in
                return;
        }
 #endif
+       /*
+        * even with bancache, we still have to keep User::exempt current.
+        * besides that, if we get a positive bancache hit, we still won't fuck
+        * them over if they are exempt. -- w00t
+        */
+       New->exempt = (Instance->XLines->MatchesLine("E",New) != NULL);
 
-       New->exempt = (Instance->XLines->matches_exception(New) != NULL);
-       if (!New->exempt)
+       if (BanCacheHit *b = Instance->BanCache->GetHit(New->GetIPString()))
        {
-               ZLine* r = Instance->XLines->matches_zline(ipaddr);
-               if (r)
+               if (!b->Type.empty() && !New->exempt)
                {
-                       char reason[MAXBUF];
+                       /* user banned */
+                       Instance->Log(DEBUG, std::string("BanCache: Positive hit for ") + New->GetIPString());
                        if (*Instance->Config->MoronBanner)
                                New->WriteServ("NOTICE %s :*** %s", New->nick, Instance->Config->MoronBanner);
-                       snprintf(reason,MAXBUF,"Z-Lined: %s",r->reason);
-                       User::QuitUser(Instance, New, reason);
+                       User::QuitUser(Instance, New, b->Reason);
                        return;
                }
+               else
+               {
+                       Instance->Log(DEBUG, std::string("BanCache: Negative hit for ") + New->GetIPString());
+               }
+       }
+       else
+       {
+               if (!New->exempt)
+               {
+                       XLine* r = Instance->XLines->MatchesLine("Z",New);
+
+                       if (r)
+                       {
+                               r->Apply(New);
+                               return;
+                       }
+               }
        }
 
         if (socket > -1)
@@ -933,37 +973,29 @@ void User::FullConnect()
        /* Check the password, if one is required by the user's connect class.
         * This CANNOT be in CheckClass(), because that is called prior to PASS as well!
         */
-       if ((!this->MyClass->GetPass().empty()) && (!this->haspassed))
+       if (this->MyClass && !this->MyClass->GetPass().empty() && !this->haspassed)
        {
                User::QuitUser(ServerInstance, this, "Invalid password");
                return;
        }
-       
+
        if (!this->exempt)
        {
-               GLine* r = ServerInstance->XLines->matches_gline(this);
+               GLine *r = (GLine *)ServerInstance->XLines->MatchesLine("G", this);
 
                if (r)
                {
                        this->muted = true;
-                       char reason[MAXBUF];
-                       if (*ServerInstance->Config->MoronBanner)
-                               this->WriteServ("NOTICE %s :*** %s", this->nick, ServerInstance->Config->MoronBanner);
-                       snprintf(reason,MAXBUF,"G-Lined: %s",r->reason);
-                       User::QuitUser(ServerInstance, this, reason);
+                       r->Apply(this);
                        return;
                }
 
-               KLine* n = ServerInstance->XLines->matches_kline(this);
+               KLine *n = (KLine *)ServerInstance->XLines->MatchesLine("K", this);
 
                if (n)
                {
                        this->muted = true;
-                       char reason[MAXBUF];
-                       if (*ServerInstance->Config->MoronBanner)
-                               this->WriteServ("NOTICE %s :*** %s", this, ServerInstance->Config->MoronBanner);
-                       snprintf(reason,MAXBUF,"K-Lined: %s",n->reason);
-                       User::QuitUser(ServerInstance, this, reason);
+                       n->Apply(this);
                        return;
                }
        }
@@ -1002,6 +1034,9 @@ void User::FullConnect()
        FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
 
        ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d: %s!%s@%s [%s] [%s]", this->GetPort(), this->nick, this->ident, this->host, this->GetIPString(), this->fullname);
+
+       ServerInstance->Log(DEBUG, "BanCache: Adding NEGATIVE hit for %s", this->GetIPString());
+       ServerInstance->BanCache->AddHit(this->GetIPString(), "", "");
 }
 
 /** User::UpdateNick()
@@ -1064,7 +1099,7 @@ bool User::ForceNickChange(const char* newnick)
                        return false;
                }
 
-               if (ServerInstance->XLines->matches_qline(newnick))
+               if (ServerInstance->XLines->MatchesLine("Q",newnick))
                {
                        ServerInstance->stats->statsCollisions++;
                        return false;
@@ -1763,7 +1798,7 @@ ConnectClass* User::SetClass(const std::string &explicit_name)
        if (found)
        {
                /* deny change if change will take class over the limit */
-               if (found->RefCount + 1 >= found->limit)
+               if (found->limit && (found->RefCount + 1 >= found->limit))
                {
                        ServerInstance->Log(DEBUG, "OOPS: Connect class limit (%u) hit, denying", found->limit);
                        return this->MyClass;
@@ -1825,7 +1860,7 @@ void User::PurgeEmptyChannels()
                if (i2 != ServerInstance->chanlist->end())
                {
                        FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
-                       DELETE(i2->second);
+                       delete i2->second;
                        ServerInstance->chanlist->erase(i2);
                        this->chans.erase(*n);
                }