]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_dnsbl.cpp
Remove InspIRCd* parameters and fields
[user/henk/code/inspircd.git] / src / modules / m_dnsbl.cpp
index be2e86eb5a19286c581a487e19ca7be72e8e7bc5..cb32ede78e6cd950266f6a1ed69db5b562a37f6f 100644 (file)
@@ -27,9 +27,9 @@
 class DNSBLConfEntry : public classbase
 {
        public:
-               enum EnumBanaction { I_UNKNOWN, I_KILL, I_ZLINE, I_KLINE, I_GLINE };
+               enum EnumBanaction { I_UNKNOWN, I_KILL, I_ZLINE, I_KLINE, I_GLINE, I_MARK };
                enum EnumType { A_RECORD, A_BITMASK };
-               std::string name, domain, reason;
+               std::string name, ident, host, domain, reason;
                EnumBanaction banaction;
                EnumType type;
                long duration;
@@ -51,8 +51,8 @@ class DNSBLResolver : public Resolver
 
  public:
 
-       DNSBLResolver(Module *me, InspIRCd *Instance, const std::string &hostname, User* u, int userfd, DNSBLConfEntry *conf, bool &cached)
-               : Resolver(Instance, hostname, DNS_QUERY_A, cached, me)
+       DNSBLResolver(Module *me, const std::string &hostname, User* u, int userfd, DNSBLConfEntry *conf, bool &cached)
+               : Resolver(hostname, DNS_QUERY_A, cached, me)
        {
                theirfd = userfd;
                them = u;
@@ -60,12 +60,8 @@ class DNSBLResolver : public Resolver
        }
 
        /* Note: This may be called multiple times for multiple A record results */
-       virtual void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached, int resultnum = 0)
+       virtual void OnLookupComplete(const std::string &result, unsigned int ttl, bool cached)
        {
-               /* for bitmask reply types, we arent interested in any but the first result (number 0) */
-               if ((ConfEntry->type == DNSBLConfEntry::A_BITMASK) && (resultnum))
-                       return;
-
                /* Check the user still exists */
                if ((them) && (them == ServerInstance->SE->GetRef(theirfd)))
                {
@@ -111,12 +107,30 @@ class DNSBLResolver : public Resolver
                                                        ServerInstance->Users->QuitUser(them, std::string("Killed (") + reason + ")");
                                                        break;
                                                }
+                                               case DNSBLConfEntry::I_MARK:
+                                               {
+                                                       if (!ConfEntry->ident.empty())
+                                                       {
+                                                               them->WriteServ("304 " + them->nick + " :Your ident has been set to " + ConfEntry->ident + " because you matched " + reason);
+                                                               them->ChangeIdent(ConfEntry->ident.c_str());
+                                                       }
+
+                                                       if (!ConfEntry->host.empty())
+                                                       {
+                                                               them->WriteServ("304 " + them->nick + " :Your host has been set to " + ConfEntry->host + " because you matched " + reason);
+                                                               them->ChangeDisplayedHost(ConfEntry->host.c_str());
+                                                       }
+
+                                                       break;
+                                               }
                                                case DNSBLConfEntry::I_KLINE:
                                                {
-                                                       KLine* kl = new KLine(ServerInstance, ServerInstance->Time(), ConfEntry->duration, ServerInstance->Config->ServerName, reason.c_str(),
+                                                       KLine* kl = new KLine(ServerInstance->Time(), ConfEntry->duration, ServerInstance->Config->ServerName, reason.c_str(),
                                                                        "*", them->GetIPString());
                                                        if (ServerInstance->XLines->AddLine(kl,NULL))
                                                        {
+                                                               ServerInstance->SNO->WriteGlobalSno('x',"K:line added due to DNSBL match on *@%s to expire on %s: %s", 
+                                                                       them->GetIPString(), ServerInstance->TimeString(kl->expiry).c_str(), reason.c_str());
                                                                ServerInstance->XLines->ApplyLines();
                                                        }
                                                        else
@@ -125,10 +139,12 @@ class DNSBLResolver : public Resolver
                                                }
                                                case DNSBLConfEntry::I_GLINE:
                                                {
-                                                       GLine* gl = new GLine(ServerInstance, ServerInstance->Time(), ConfEntry->duration, ServerInstance->Config->ServerName, reason.c_str(),
+                                                       GLine* gl = new GLine(ServerInstance->Time(), ConfEntry->duration, ServerInstance->Config->ServerName, reason.c_str(),
                                                                        "*", them->GetIPString());
                                                        if (ServerInstance->XLines->AddLine(gl,NULL))
                                                        {
+                                                               ServerInstance->SNO->WriteGlobalSno('x',"G:line added due to DNSBL match on *@%s to expire on %s: %s", 
+                                                                       them->GetIPString(), ServerInstance->TimeString(gl->expiry).c_str(), reason.c_str());
                                                                ServerInstance->XLines->ApplyLines();
                                                        }
                                                        else
@@ -137,10 +153,12 @@ class DNSBLResolver : public Resolver
                                                }
                                                case DNSBLConfEntry::I_ZLINE:
                                                {
-                                                       ZLine* zl = new ZLine(ServerInstance, ServerInstance->Time(), ConfEntry->duration, ServerInstance->Config->ServerName, reason.c_str(),
+                                                       ZLine* zl = new ZLine(ServerInstance->Time(), ConfEntry->duration, ServerInstance->Config->ServerName, reason.c_str(),
                                                                        them->GetIPString());
                                                        if (ServerInstance->XLines->AddLine(zl,NULL))
                                                        {
+                                                               ServerInstance->SNO->WriteGlobalSno('x',"Z:line added due to DNSBL match on *@%s to expire on %s: %s", 
+                                                                       them->GetIPString(), ServerInstance->TimeString(zl->expiry).c_str(), reason.c_str());
                                                                ServerInstance->XLines->ApplyLines();
                                                        }
                                                        else
@@ -154,7 +172,7 @@ class DNSBLResolver : public Resolver
                                                break;
                                        }
 
-                                       ServerInstance->SNO->WriteToSnoMask('a', "Connecting user %s detected as being on a DNS blacklist (%s) with result %d", them->GetFullRealHost().c_str(), ConfEntry->name.c_str(), bitmask);
+                                       ServerInstance->SNO->WriteGlobalSno('a', "Connecting user %s detected as being on a DNS blacklist (%s) with result %d", them->GetFullRealHost().c_str(), ConfEntry->domain.c_str(), (ConfEntry->type==DNSBLConfEntry::A_BITMASK) ? bitmask : record);
                                }
                                else
                                        ConfEntry->stats_misses++;
@@ -191,12 +209,13 @@ class ModuleDNSBL : public Module
                        return DNSBLConfEntry::I_ZLINE;
                if(action.compare("GLINE")==0)
                        return DNSBLConfEntry::I_GLINE;
+               if(action.compare("MARK")==0)
+                       return DNSBLConfEntry::I_MARK;
 
                return DNSBLConfEntry::I_UNKNOWN;
        }
  public:
-       ModuleDNSBL(InspIRCd *Me) : Module(Me)
-       {
+       ModuleDNSBL()   {
                ReadConf();
                Implementation eventlist[] = { I_OnRehash, I_OnUserRegister, I_OnStats };
                ServerInstance->Modules->Attach(eventlist, this, 3);
@@ -209,7 +228,7 @@ class ModuleDNSBL : public Module
 
        virtual Version GetVersion()
        {
-               return Version("$Id$", VF_VENDOR, API_VERSION);
+               return Version("Provides handling of DNS blacklists", VF_VENDOR, API_VERSION);
        }
 
 
@@ -226,7 +245,7 @@ class ModuleDNSBL : public Module
         */
        virtual void ReadConf()
        {
-               ConfigReader *MyConf = new ConfigReader(ServerInstance);
+               ConfigReader *MyConf = new ConfigReader;
                ClearEntries();
 
                for (int i=0; i< MyConf->Enumerate("dnsbl"); i++)
@@ -234,6 +253,8 @@ class ModuleDNSBL : public Module
                        DNSBLConfEntry *e = new DNSBLConfEntry();
 
                        e->name = MyConf->ReadValue("dnsbl", "name", i);
+                       e->ident = MyConf->ReadValue("dnsbl", "ident", i);
+                       e->host = MyConf->ReadValue("dnsbl", "host", i);
                        e->reason = MyConf->ReadValue("dnsbl", "reason", i);
                        e->domain = MyConf->ReadValue("dnsbl", "domain", i);
 
@@ -253,32 +274,36 @@ class ModuleDNSBL : public Module
                        }
 
                        e->banaction = str2banaction(MyConf->ReadValue("dnsbl", "action", i));
-                       e->duration = ServerInstance->Duration(MyConf->ReadValue("dnsbl", "duration", i));
+                       e->duration = ServerInstance->Duration(MyConf->ReadValue("dnsbl", "duration", "60", i));
 
                        /* Use portparser for record replies */
 
                        /* yeah, logic here is a little messy */
                        if ((e->bitmask <= 0) && (DNSBLConfEntry::A_BITMASK == e->type))
                        {
-                               ServerInstance->SNO->WriteToSnoMask('a', "DNSBL(#%d): invalid bitmask",i);
+                               ServerInstance->SNO->WriteGlobalSno('a', "DNSBL(#%d): invalid bitmask",i);
                        }
                        else if (e->name.empty())
                        {
-                               ServerInstance->SNO->WriteToSnoMask('a', "DNSBL(#%d): Invalid name",i);
+                               ServerInstance->SNO->WriteGlobalSno('a', "DNSBL(#%d): Invalid name",i);
                        }
                        else if (e->domain.empty())
                        {
-                               ServerInstance->SNO->WriteToSnoMask('a', "DNSBL(#%d): Invalid domain",i);
+                               ServerInstance->SNO->WriteGlobalSno('a', "DNSBL(#%d): Invalid domain",i);
                        }
                        else if (e->banaction == DNSBLConfEntry::I_UNKNOWN)
                        {
-                               ServerInstance->SNO->WriteToSnoMask('a', "DNSBL(#%d): Invalid banaction", i);
+                               ServerInstance->SNO->WriteGlobalSno('a', "DNSBL(#%d): Invalid banaction", i);
+                       }
+                       else if (e->duration <= 0)
+                       {
+                               ServerInstance->SNO->WriteGlobalSno('a', "DNSBL(#%d): Invalid duration", i);
                        }
                        else
                        {
                                if (e->reason.empty())
                                {
-                                       ServerInstance->SNO->WriteToSnoMask('a', "DNSBL(#%d): empty reason, using defaults",i);
+                                       ServerInstance->SNO->WriteGlobalSno('a', "DNSBL(#%d): empty reason, using defaults",i);
                                        e->reason = "Your IP has been blacklisted.";
                                }
 
@@ -294,12 +319,12 @@ class ModuleDNSBL : public Module
                delete MyConf;
        }
 
-       virtual void OnRehash(User* user, const std::string &parameter)
+       virtual void OnRehash(User* user)
        {
                ReadConf();
        }
 
-       virtual int OnUserRegister(User* user)
+       virtual ModResult OnUserRegister(User* user)
        {
                /* only do lookups on local users */
                if (IS_LOCAL(user))
@@ -314,7 +339,7 @@ class ModuleDNSBL : public Module
                        success = inet_aton(user->GetIPString(), &in);
 
                        if (!success)
-                               return 0;
+                               return MOD_RES_PASSTHRU;
 
                        d = (unsigned char) (in.s_addr >> 24) & 0xFF;
                        c = (unsigned char) (in.s_addr >> 16) & 0xFF;
@@ -332,19 +357,19 @@ class ModuleDNSBL : public Module
 
                                /* now we'd need to fire off lookups for `hostname'. */
                                bool cached;
-                               DNSBLResolver *r = new DNSBLResolver(this, ServerInstance, hostname, user, user->GetFd(), *i, cached);
+                               DNSBLResolver *r = new DNSBLResolver(this, hostname, user, user->GetFd(), *i, cached);
                                ServerInstance->AddResolver(r, cached);
                        }
                }
 
                /* don't do anything with this hot potato */
-               return 0;
+               return MOD_RES_PASSTHRU;
        }
 
-       virtual int OnStats(char symbol, User* user, string_list &results)
+       virtual ModResult OnStats(char symbol, User* user, string_list &results)
        {
                if (symbol != 'd')
-                       return 0;
+                       return MOD_RES_PASSTHRU;
 
                unsigned long total_hits = 0, total_misses = 0;
 
@@ -360,7 +385,7 @@ class ModuleDNSBL : public Module
                results.push_back(std::string(ServerInstance->Config->ServerName) + " 304 " + user->nick + " :DNSBLSTATS Total hits: " + ConvToStr(total_hits));
                results.push_back(std::string(ServerInstance->Config->ServerName) + " 304 " + user->nick + " :DNSBLSTATS Total misses: " + ConvToStr(total_misses));
 
-               return 0;
+               return MOD_RES_PASSTHRU;
        }
 };