]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/dns.cpp
Remove misleading byte counts from stats z
[user/henk/code/inspircd.git] / src / dns.cpp
index ed2eff2bb75504e426653b2c062b9a73ff60b565..5af3fd198dc8721d4f834e90942c7bc8aad4aa1c 100644 (file)
@@ -217,7 +217,6 @@ int DNSRequest::SendRequests(const DNSHeader *header, const int length, QueryTyp
 
        DNS::EmptyHeader(payload,header,length);
 
-#ifdef IPV6
        if (this->dnsobj->socketfamily == AF_INET6)
        {
                sockaddr_in6 addr;
@@ -229,7 +228,6 @@ int DNSRequest::SendRequests(const DNSHeader *header, const int length, QueryTyp
                        return -1;
        }
        else
-#endif
        {
                sockaddr_in addr;
                memset(&addr,0,sizeof(addr));
@@ -334,7 +332,6 @@ void DNS::Rehash()
        }
 
        this->socketfamily = AF_INET;
-#ifdef IPV6
        if (strchr(ServerInstance->Config->DNSServer,':'))
        {
                this->socketfamily = AF_INET6;
@@ -345,9 +342,6 @@ void DNS::Rehash()
                inet_aton(ServerInstance->Config->DNSServer, &this->myserver4);
                portpass = -1;
        }
-#else
-       inet_aton(ServerInstance->Config->DNSServer, &this->myserver4);
-#endif
 
        /* Initialize mastersocket */
        int s = irc::sockets::OpenTCPSocket(ServerInstance->Config->DNSServer, SOCK_DGRAM);
@@ -511,38 +505,6 @@ int DNS::GetCName(const char *alias)
        return id;
 }
 
-/** Start lookup of an IP address to a hostname */
-int DNS::GetName(const irc::sockets::insp_inaddr *ip)
-{
-       char query[128];
-       DNSHeader h;
-       int id;
-       int length;
-
-#ifdef IPV6
-       unsigned char* c = (unsigned char*)&ip->s6_addr;
-       if (c[0] == 0 && c[1] == 0 && c[2] == 0 && c[3] == 0 &&
-           c[4] == 0 && c[5] == 0 && c[6] == 0 && c[7] == 0 &&
-           c[8] == 0 && c[9] == 0 && c[10] == 0xFF && c[11] == 0xFF)
-               sprintf(query,"%d.%d.%d.%d.in-addr.arpa",c[15],c[14],c[13],c[12]);
-       else
-               DNS::MakeIP6Int(query, (in6_addr*)ip);
-#else
-       unsigned char* c = (unsigned char*)&ip->s_addr;
-       sprintf(query,"%d.%d.%d.%d.in-addr.arpa",c[3],c[2],c[1],c[0]);
-#endif
-
-       if ((length = this->MakePayload(query, DNS_QUERY_PTR, 1, (unsigned char*)&h.payload)) == -1)
-               return -1;
-
-       DNSRequest* req = this->AddQuery(&h, id, irc::sockets::insp_ntoa(*ip));
-
-       if ((!req) || (req->SendRequests(&h, length, DNS_QUERY_PTR) == -1))
-               return -1;
-
-       return id;
-}
-
 /** Start lookup of an IP address to a hostname */
 int DNS::GetNameForce(const char *ip, ForceProtocol fp)
 {
@@ -550,7 +512,7 @@ int DNS::GetNameForce(const char *ip, ForceProtocol fp)
        DNSHeader h;
        int id;
        int length;
-#ifdef SUPPORT_IP6LINKS
+
        if (fp == PROTOCOL_IPV6)
        {
                in6_addr i;
@@ -563,7 +525,6 @@ int DNS::GetNameForce(const char *ip, ForceProtocol fp)
                        return -1;
        }
        else
-#endif
        {
                in_addr i;
                if (inet_aton(ip, &i))
@@ -591,7 +552,6 @@ int DNS::GetNameForce(const char *ip, ForceProtocol fp)
  */
 void DNS::MakeIP6Int(char* query, const in6_addr *ip)
 {
-#ifdef SUPPORT_IP6LINKS
        const char* hex = "0123456789abcdef";
        for (int index = 31; index >= 0; index--) /* for() loop steps twice per byte */
        {
@@ -604,9 +564,6 @@ void DNS::MakeIP6Int(char* query, const in6_addr *ip)
                *query++ = '.'; /* Seperator */
        }
        strcpy(query,"ip6.arpa"); /* Suffix the string */
-#else
-       *query = 0;
-#endif
 }
 
 /** Return the next id which is ready, and the result attached to it */
@@ -616,22 +573,17 @@ DNSResult DNS::GetResult()
        DNSHeader header;
        DNSRequest *req;
        unsigned char buffer[sizeof(DNSHeader)];
-       sockaddr* from = new sockaddr[2];
-#ifdef IPV6
+       irc::sockets::sockaddrs from;
        socklen_t x = this->socketfamily == AF_INET ? sizeof(sockaddr_in) : sizeof(sockaddr_in6);
-#else
-       socklen_t x = sizeof(sockaddr_in);
-#endif
        const char* ipaddr_from;
        unsigned short int port_from = 0;
 
-       int length = ServerInstance->SE->RecvFrom(this, (char*)buffer, sizeof(DNSHeader), 0, from, &x);
+       int length = ServerInstance->SE->RecvFrom(this, (char*)buffer, sizeof(DNSHeader), 0, &from.sa, &x);
 
        /* Did we get the whole header? */
        if (length < 12)
        {
                /* Nope - something screwed up. */
-               delete[] from;
                return DNSResult(-1,"",0,"");
        }
 
@@ -644,22 +596,18 @@ DNSResult DNS::GetResult()
         *
         * -- Thanks jilles for pointing this one out.
         */
-#ifdef IPV6
        char nbuf[MAXBUF];
        if (this->socketfamily == AF_INET6)
        {
-               ipaddr_from = inet_ntop(AF_INET6, &((sockaddr_in6*)from)->sin6_addr, nbuf, sizeof(nbuf));
-               port_from = ntohs(((sockaddr_in6*)from)->sin6_port);
+               ipaddr_from = inet_ntop(AF_INET6, &from.in6.sin6_addr, nbuf, sizeof(nbuf));
+               port_from = ntohs(from.in6.sin6_port);
        }
        else
-#endif
        {
-               ipaddr_from = inet_ntoa(((sockaddr_in*)from)->sin_addr);
-               port_from = ntohs(((sockaddr_in*)from)->sin_port);
+               ipaddr_from = inet_ntoa(from.in4.sin_addr);
+               port_from = ntohs(from.in4.sin_port);
        }
 
-       delete[] from;
-
        /* We cant perform this security check if you're using 4in6.
         * Tough luck to you, choose one or't other!
         */
@@ -971,28 +919,12 @@ Resolver::Resolver(InspIRCd* Instance, const std::string &source, QueryType qt,
                }
        }
 
-       irc::sockets::insp_inaddr binip;
-
        switch (querytype)
        {
                case DNS_QUERY_A:
                        this->myid = ServerInstance->Res->GetIP(source.c_str());
                break;
 
-               case DNS_QUERY_PTR:
-                       if (irc::sockets::insp_aton(source.c_str(), &binip) > 0)
-                       {
-                               /* Valid ip address */
-                               this->myid = ServerInstance->Res->GetName(&binip);
-                       }
-                       else
-                       {
-                               this->OnError(RESOLVER_BADIP, "Bad IP address for reverse lookup");
-                               throw ModuleException("Resolver: Bad IP address");
-                               return;
-                       }
-               break;
-
                case DNS_QUERY_PTR4:
                        querytype = DNS_QUERY_PTR;
                        this->myid = ServerInstance->Res->GetNameForce(source.c_str(), PROTOCOL_IPV4);
@@ -1162,6 +1094,6 @@ 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;
 }