X-Git-Url: http://g0dil.de/git?p=senf.git;a=blobdiff_plain;f=senf%2FSocket%2FProtocols%2FINet%2FINet6Address.cci;fp=senf%2FSocket%2FProtocols%2FINet%2FINet6Address.cci;h=3c2ac1435f167ee4405a3ae043a00b5251994a4f;hp=4e3d7f7f6b5e00c17f54386d3e1ceabdf023e83b;hb=b2fff1b50e0010fdad28cb638987cbf88032e30e;hpb=c305d6b970e5952fe006270c7184b8bbb10ba2ee

diff --git a/senf/Socket/Protocols/INet/INet6Address.cci b/senf/Socket/Protocols/INet/INet6Address.cci
index 4e3d7f7..3c2ac14 100644
--- a/senf/Socket/Protocols/INet/INet6Address.cci
+++ b/senf/Socket/Protocols/INet/INet6Address.cci
@@ -214,7 +214,8 @@ prefix_ senf::INet6Network::INet6Network()
 {}
 
 prefix_ senf::INet6Network::INet6Network(INet6Address const & address, unsigned prefix_len)
-    : prefix_len_(prefix_len), address_(address)
+    : prefix_len_( prefix_len_checked(prefix_len)),
+      address_(address)
 {
     using boost::lambda::_1;
     using boost::lambda::_2;
@@ -282,6 +283,15 @@ prefix_ senf::INet6Network senf::INet6Network::subnet(boost::uint64_t net, unsig
     return INet6Network(addr, prefix_len);
 }
 
+prefix_ unsigned senf::INet6Network::prefix_len_checked(unsigned prefix_len)
+    const
+{
+    if (prefix_len > 128)
+        throw AddressSyntaxException("invalid INet6 prefix length: " +
+                boost::lexical_cast<std::string>(prefix_len));
+    return prefix_len;
+}
+
 prefix_ std::ostream & senf::operator<<(std::ostream & os, INet6Network const & addr)
 {
     os << addr.address() << '/' << addr.prefix_len();