X-Git-Url: http://www.lcore.org/git/lcore.git/blobdiff_plain/f8e139db970666e906db30417763f81e2ae5e801..9a44a542cab11c03215fe3c844dde2529a87258d:/lsocket.pas?ds=sidebyside

diff --git a/lsocket.pas b/lsocket.pas
index c099cf5..53205e6 100755
--- a/lsocket.pas
+++ b/lsocket.pas
@@ -132,6 +132,7 @@ type
       //this one has to be kept public for now because lcorewsaasyncselect calls it
       procedure connectionfailedhandler(error:word);
     private
+      isv6socket : boolean; //identifies if the socket is v6, set by bindsocket
       procedure taskcallconnectionfailedhandler(wparam,lparam : longint);
 
       procedure connecttimeouthandler(sender:tobject);
@@ -351,7 +352,7 @@ begin
       end;
       //gethostbyname(localaddr,host);
       inaddrtempsize := makeinaddrv(forwardlookup(localaddr,0),localport,inaddrtemp);
-
+      isv6socket := (inaddrtemp.inaddr.family = AF_INET6);
       If Bind(fdhandlein,inaddrtempx,inaddrtempsize)<> {$ifdef win32}0{$else}true{$endif} Then begin
         state := wsclosed;
         lasterror := {$ifdef win32}getlasterror{$else}socketerror{$endif};
@@ -384,7 +385,9 @@ begin
 
   if addr = '' then begin
     {$ifdef ipv6}
+    //writeln('ipv6 is defined');
     if not v4listendefault then begin
+      //writeln('setting addr to ::');
       addr := '::';
     end else
     {$endif}
@@ -392,11 +395,19 @@ begin
   end;
   if isbiniplist(addr) then biniptemp := biniplist_get(addr,0) else biniptemp := forwardlookup(addr,10);
   addr := ipbintostr(biniptemp);
+  //writeln('after ipbintostr call addr =',addr);
+  //writeln('biniptemp.family =',biniptemp.family);
+  //writeln('AF_INET6=',AF_INET6);
+  //writeln('PF_INET6=',PF_INET6);
+  //writeln('AF_INET=',AF_INET);
+  //writeln('PF_INET=',PF_INET);
+  
   fdhandlein := socket(biniptemp.family,socktype,0);
   {$ifdef ipv6}
   if (addr = '::') and (origaddr = '') and (fdhandlein < 0) then begin
+    writeln('failed to create an IPV6 socket with error ',socketerror,'. trying to create an IPV4 one instead');
     addr := '0.0.0.0';
-    fdhandlein := socket(AF_INET,socktype,0);
+    fdhandlein := socket(PF_INET,socktype,0);
   end;
   {$endif}
 
@@ -411,10 +422,18 @@ begin
     no := 0;
     {$ifndef win32}
       if SetSocketOptions(fdhandlein, SOL_SOCKET, SO_REUSEADDR,yes,sizeof(yes))=-1 then begin
-        raise ESocketException.create('unable to set socket options');
+        raise ESocketException.create('unable to set SO_REUSEADDR socket option');
       end;
-      if SetSocketOptions(fdhandlein, IPPROTO_IPV6,IPV6_V6ONLY,no,sizeof(no))=-1 then begin
-        raise ESocketException.create('unable to set socket options');
+      //writeln('addr=',addr);
+      //writeln('setting IPV6_V6ONLY option to 0');
+      //allow v4 connections on v6 sockets
+      if biniptemp.family = af_inet6 then begin
+        if SetSocketOptions(fdhandlein, IPPROTO_IPV6,IPV6_V6ONLY,no,sizeof(no))=-1 then begin
+          writeln(IPPROTO_IPV6);
+          writeln(IPV6_V6ONLY);
+          raise ESocketException.create('unable to set IPV6_V6ONLY socket option error='+inttostr(socketerror));
+          
+        end;
       end;
     {$endif}
     localaddr := addr;
@@ -531,15 +550,33 @@ end;
 
 function tlsocket.sendto(dest:TInetSockAddrV;destlen:integer;data:pointer;len:integer):integer;
 var
-  destx : {$ifdef win32}winsock.TSockAddr{$else}TInetSockAddrV{$endif} absolute dest;
+  {$ifdef ipv6}
+    realdest : tinetsockaddrv;
+    biniptemp : tbinip;
+  {$endif}
+  destx : {$ifdef win32}winsock.pSockAddr{$else}pInetSockAddrV{$endif};
+
 begin
   {$ifdef secondlistener}
-  if assigned(secondlistener) then if (dest.inaddr.family = AF_INET) then begin
-    result := secondlistener.sendto(dest,destlen,data,len);
-    exit;
-  end;
+    if assigned(secondlistener) then if (dest.inaddr.family = AF_INET) then begin
+      result := secondlistener.sendto(dest,destlen,data,len);
+      exit;
+    end;
   {$endif}
-  result := {$ifdef win32}winsock.sendto{$else}system_sendto{$endif}(self.fdhandleout,data^,len,0,destx,destlen);
+  {$ifdef ipv6}
+    if isv6socket then begin
+      biniptemp := inaddrvtobinip(dest);
+      converttov6(biniptemp);
+      destlen := makeinaddrv(biniptemp,inttostr(ntohs(dest.InAddr.port)),realdest);
+      destx := {$ifdef win32}winsock.pSockAddr{$else}pInetSockAddrV{$endif}(@realdest)
+    end else begin
+      destx := {$ifdef win32}winsock.pSockAddr{$else}pInetSockAddrV{$endif}(@dest)
+    end;
+  {$else}
+    destx := {$ifdef win32}winsock.pSockAddr{$else}pInetSockAddrV{$endif}(@dest)
+  {$endif}
+
+  result := {$ifdef win32}winsock.sendto{$else}system_sendto{$endif}(self.fdhandleout,data^,len,0,destx^,destlen);
 end;