Allow forward linking compatability by accepting higher protocol version numbers...

[user/henk/code/inspircd.git] / src / dns.cpp

diff --git a/src/dns.cpp b/src/dns.cpp
index 0801fc76c247def976c0a5fb877deb2ea7a9aad1..75108d577893298baf1b94400342d43be59b1c2b 100644 (file)
--- a/src/dns.cpp
+++ b/src/dns.cpp
@@ -3,7 +3,7 @@
  *       +------------------------------------+
  *
  *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * See: http://wiki.inspircd.org/Credits
  *
  * This program is free but copyrighted software; see
  *            the file COPYING for details.
@@ -101,7 +101,7 @@ class DNSRequest
 
        DNSRequest(InspIRCd* Instance, DNS* dns, int id, const std::string &original);
        ~DNSRequest();
-       DNSInfo ResultIsReady(DNSHeader &h, int length, int result_we_want);
+       DNSInfo ResultIsReady(DNSHeader &h, int length);
        int SendRequests(const DNSHeader *header, const int length, QueryType qt);
 };
 
@@ -214,7 +214,7 @@ int DNSRequest::SendRequests(const DNSHeader *header, const int length, QueryTyp
 
        this->rr_class = 1;
        this->type = qt;
-               
+
        DNS::EmptyHeader(payload,header,length);
 
 #ifdef IPV6
@@ -250,7 +250,7 @@ DNSRequest* DNS::AddQuery(DNSHeader *header, int &id, const char* original)
        /* Is the DNS connection down? */
        if (this->GetFd() == -1)
                return NULL;
-       
+
        /* Create an id */
        id = this->PRNG() & DNS::MAX_REQUEST_ID;
 
@@ -405,7 +405,7 @@ DNS::DNS(InspIRCd* Instance) : ServerInstance(Instance)
        /* DNS::Rehash() sets this to a valid ptr
         */
        this->cache = NULL;
-       
+
        /* Again, DNS::Rehash() sets this to a
         * valid value
         */
@@ -463,7 +463,7 @@ int DNS::GetIP(const char *name)
        DNSHeader h;
        int id;
        int length;
-       
+
        if ((length = this->MakePayload(name, DNS_QUERY_A, 1, (unsigned char*)&h.payload)) == -1)
                return -1;
 
@@ -610,7 +610,7 @@ void DNS::MakeIP6Int(char* query, const in6_addr *ip)
 }
 
 /** Return the next id which is ready, and the result attached to it */
-DNSResult DNS::GetResult(int resultnum)
+DNSResult DNS::GetResult()
 {
        /* Fetch dns query response and decide where it belongs */
        DNSHeader header;
@@ -697,7 +697,7 @@ DNSResult DNS::GetResult(int resultnum)
         * When its finished it will return a DNSInfo which is a pair of
         * unsigned char* resource record data, and an error message.
         */
-       DNSInfo data = req->ResultIsReady(header, length, resultnum);
+       DNSInfo data = req->ResultIsReady(header, length);
        std::string resultstr;
 
        /* Check if we got a result, if we didnt, its an error */
@@ -763,7 +763,6 @@ DNSResult DNS::GetResult(int resultnum)
 
                        default:
                        break;
-                       
                }
 
                /* Build the reply with the id and hostname/ip in it */
@@ -774,7 +773,7 @@ DNSResult DNS::GetResult(int resultnum)
 }
 
 /** A result is ready, process it */
-DNSInfo DNSRequest::ResultIsReady(DNSHeader &header, int length, int result_we_want)
+DNSInfo DNSRequest::ResultIsReady(DNSHeader &header, int length)
 {
        int i = 0;
        int q = 0;
@@ -845,10 +844,10 @@ DNSInfo DNSRequest::ResultIsReady(DNSHeader &header, int length, int result_we_w
                        return std::make_pair((unsigned char*)NULL,"Incorrectly sized DNS reply");
 
                /* XXX: We actually initialise 'rr' here including its ttl field */
-               if (curanswer == result_we_want)
-                       DNS::FillResourceRecord(&rr,&header.payload[i]);
-       
+               DNS::FillResourceRecord(&rr,&header.payload[i]);
+
                i += 10;
+               ServerInstance->Logs->Log("RESOLVER",DEBUG,"Resolver: rr.type is %d and this.type is %d rr.class %d this.class %d", rr.type, this->type, rr.rr_class, this->rr_class);
                if (rr.type != this->type)
                {
                        curanswer++;
@@ -864,7 +863,7 @@ DNSInfo DNSRequest::ResultIsReady(DNSHeader &header, int length, int result_we_w
                break;
        }
        if ((unsigned int)curanswer == header.ancount)
-               return std::make_pair((unsigned char*)NULL,"No more answers (" + ConvToStr(header.ancount) + " answers, wanted #" + ConvToStr(result_we_want) + ")");
+               return std::make_pair((unsigned char*)NULL,"No A, AAAA or PTR type answers (" + ConvToStr(header.ancount) + " answers)");
 
        if (i + rr.rdlength > (unsigned int)length)
                return std::make_pair((unsigned char*)NULL,"Resource record larger than stated");
@@ -939,7 +938,7 @@ CachedQuery* DNS::GetCache(const std::string &source)
        else
                return NULL;
 }
-               
+
 void DNS::DelCache(const std::string &source)
 {
        cache->erase(source.c_str());
@@ -948,7 +947,7 @@ void DNS::DelCache(const std::string &source)
 void Resolver::TriggerCachedResult()
 {
        if (CQ)
-               OnLookupComplete(CQ->data, time_left, true, 0);
+               OnLookupComplete(CQ->data, time_left, true);
 }
 
 /** High level abstraction of dns used by application at large */
@@ -1056,15 +1055,14 @@ Module* Resolver::GetCreator()
 void DNS::HandleEvent(EventType, int)
 {
        /* Fetch the id and result of the next available packet */
-       int resultnum = 0;
        DNSResult res(0,"",0,"");
        res.id = 0;
        ServerInstance->Logs->Log("RESOLVER",DEBUG,"Handle DNS event");
 
-       res = this->GetResult(resultnum);
+       res = this->GetResult();
+
+       ServerInstance->Logs->Log("RESOLVER",DEBUG,"Result id %d", res.id);
 
-       ServerInstance->Logs->Log("RESOLVER",DEBUG,"Result %d id %d", resultnum, res.id);
-       
        /* Is there a usable request id? */
        if (res.id != -1)
        {
@@ -1091,23 +1089,21 @@ void DNS::HandleEvent(EventType, int)
                        {
                                if (ServerInstance && ServerInstance->stats)
                                        ServerInstance->stats->statsDnsGood++;
-       
+
                                if (!this->GetCache(res.original.c_str()))
                                        this->cache->insert(std::make_pair(res.original.c_str(), CachedQuery(res.result, res.ttl)));
 
-                               Classes[res.id]->OnLookupComplete(res.result, res.ttl, false, resultnum);
+                               Classes[res.id]->OnLookupComplete(res.result, res.ttl, false);
                                delete Classes[res.id];
                                Classes[res.id] = NULL;
                        }
                }
-       
+
                if (ServerInstance && ServerInstance->stats)
                        ServerInstance->stats->statsDns++;
        }
-
-       resultnum++;
 }
-       
+
 /** Add a derived Resolver to the working set */
 bool DNS::AddResolverClass(Resolver* r)
 {
@@ -1149,7 +1145,7 @@ void DNS::CleanResolvers(Module* module)
                {
                        if (Classes[i]->GetCreator() == module)
                        {
-                               Classes[i]->OnError(RESLOVER_FORCEUNLOAD, "Parent module is unloading");
+                               Classes[i]->OnError(RESOLVER_FORCEUNLOAD, "Parent module is unloading");
                                delete Classes[i];
                                Classes[i] = NULL;
                        }
@@ -1166,8 +1162,6 @@ unsigned long DNS::PRNG()
        gettimeofday(&n,NULL);
        val = (n.tv_usec ^ (getpid() ^ geteuid()) ^ ((this->currid++)) ^ s->statsAccept) + n.tv_sec;
        val = val + (s->statsCollisions ^ s->statsDnsGood) - s->statsDnsBad;
-       val += (s->statsConnects ^ (unsigned long)s->statsSent ^ (unsigned long)s->statsRecv) - ServerInstance->Config->ports.size();
+       val += (s->statsConnects ^ (unsigned long)s->statsSent ^ (unsigned long)s->statsRecv) - ServerInstance->ports.size();
        return val;
 }
-
-